Understanding your choice of forged olets options
When choosing the right type of forged olets for your piping system, the options can be overwhelming. There are various types of forged olets available, and each one has its unique features and benefits. Deciding which one is the best fit for your application can be challenging. Guanxin will help you understand your choice of forged olets options and make an informed decision.
When choosing the right type of forged olets, it’s essential to consider several factors, including the application, pressure rating, and material compatibility. Choosing a forged olet for the specific application is crucial and can handle the required pressure and temperature. Material compatibility is also essential to ensure that the forged olet can withstand the corrosive nature of the process media.
What is a forged olet?
Forged olet is also known as forged saddle seat, sweepolet, and saddle or forged saddle type pipe joint and is mainly used for reinforcing forged pipe fittings for olet connections, replacing olet connection types such as reducing tees, reinforcing plates, and reinforced pipe sections. It has outstanding advantages include safety and reliability, cost reduction, simple construction, improved medium flow channels, series standardization, and convenient design and selection. It is increasingly widely used in high-pressure, high-temperature, large-diameter, and thick wall pipelines, replacing traditional olet connection methods.
The Function and Advantages of Forged Olet
Forged olet supports are an important fitting used in pipeline systems to create a smaller branch connection on the main pipe. The connection method of forged olet platform is mainly applied in long-distance transportation and process pipeline systems, especially in pipeline systems with higher grades under high temperature and pressure conditions.
The connection forms between forged olet platforms and olets are mainly divided into three types: threaded connection, socket connection, and butt connection. The connection method between the forged olet platform and the main pipe is unified as butt connection. In pipeline systems, forged branch connections are widely used. Compared to other branch connections such as welded tees, welded forged olet connections have the following advantages:
- (1) The forged olet platform has a more compact structure, smaller weld volume, more convenient installation, and more convenient inspection.
- (2) The self reinforcement of the forged olet platform has replaced the use of large area reinforcement plates and saddles at the main pipe opening, simplifying the stress analysis at the olet, reducing the welding area, welding quantity, and more conducive to reducing the residual stress at the olet connection.
- (3) The forged olet platform covers a wider range of olet sizes, and the forged olet platform can cover a minimum size of 0.5 inches to the same diameter as the main pipe, with a wider range of applications.
- (4) Forged olet connections save more construction time and cost than using tee connections.
Types of Forged Olets
Forged Olets are vital in various industries, providing secure and reliable connections in high-pressure environments. Understanding the different types of forged olets and their unique features can help you choose the right forgings for your specific application. By selecting the appropriate olet, you can ensure the safe and efficient operation of your piping systems and equipment.
1. Forged Sockolet
Forged Sockolets are a popular type of olet designed to connect a smaller pipe to a larger one. They consist of a socket that fits into the larger pipe, providing a secure and leak-proof connection. Sockolets are commonly used in chemical, power generation, and marine engineering industries due to their high durability and excellent performance under pressure.
2. Forged Weldolet
Forged Weldolets are widely used for making branch connections in piping systems. They are designed to be welded directly onto the main pipe, providing a strong, durable connection that can withstand high-pressure environments. Weldolets are used in various industries, including oil and gas, petrochemical, and construction, due to their high structural integrity and compatibility with different materials.
3. Forged Threadolet
Forged Threadolets offer a versatile, robust solution for connecting pipes with threaded ends. These olets feature a threaded connection, allowing easy installation and removal without welding. Threadolets are commonly used in low-pressure applications, such as water distribution and plumbing systems, as well as in industries that require frequent maintenance, such as manufacturing and processing plants.
4. Forged Nipolet
Forged Nipolets are a unique type of olet that combines the features of a Weldolet and a Threadolet. These fittings are designed with a nipple extending from the main pipe and can be either welded or threaded, depending on the application requirements. Nipolets are ideal for high-pressure systems, such as oil and gas extraction, chemical processing, and power generation.
5. Forged Sweepolet
Forged Sweepolets are designed for making 90-degree branch connections in high-pressure systems. They feature a sweeping curve, allowing smooth flow and minimal pressure drop. Sweepolets are suitable for applications in the oil and gas, chemical, and power generation industries due to their excellent flow characteristics and resistance to corrosion and erosion.
6. Forged Elbolet
Forged Elbolets are a unique type of olet designed to provide a 90-degree branch connection on elbow fittings. They offer a strong and reliable connection, making them suitable for high-pressure applications. Elbolets are widely used in the oil and gas, petrochemical, and power generation industries due to their excellent performance and durability.
7. Forged Latrolet
Forged Latrolets are unique fittings designed for making lateral connections in piping systems. They feature a flat, offset opening, allowing easy access and maintenance. Latrolets are used in industries such as oil and gas, petrochemical, and chemical processing, where regular inspection and maintenance are required.
8. Forged Embedded O-Let
Forged Embedded O-Lets, are innovative fittings inserted directly into the main pipe, providing a flush and seamless connection. They are suitable for high-pressure and high-temperature applications, such as steam lines, heat exchangers, and process piping. Embedded O-Lets are popular in the power generation, chemical, and petrochemical industries due to their high performance and low-maintenance design.
9. Forged Saddle Seat
Forged Saddle Seats are specialized olets designed to provide a secure connection between a smaller pipe and a larger curved pipe or tank. They feature a curved base that fits snugly around the larger pipe, ensuring a stable and leak-proof connection. Saddle Seats are commonly used in the oil and gas, petrochemical, and chemical processing industries, where high-pressure and temperature resistance is essential.
10. Forged Flangolet
Forged Flangolets are innovative olets that provide a flanged connection for pipes and equipment. They feature a flat, raised face that can be bolted to a matching flange, ensuring a secure and leak-proof connection. Flangolets are used in various industries, such as oil and gas, petrochemical, and power generation, where high-pressure resistance and easy maintenance are crucial.
11. Forged Coupolet
Forged Coupolets are unique olets designed for connecting two pipes or tubes with the same diameter. They feature a coupling with a branch connection, providing a strong and reliable joint between the pipes. Coupolets are used in the oil and gas, chemical, and power generation industries, where high-pressure resistance and durability are essential.
12. Forged Insert Weldolet
Forged Insert Weldolets are specialized fittings that provide a secure and leak-proof connection between pipes, tubes, and other equipment. They feature a small, cylindrical insert that fits into the larger pipe and can be welded into place, ensuring a strong and durable connection. Due to their high-performance capabilities, insert Weldolets are used in various industries, such as oil and gas, petrochemical, and power generation.
13. Forged Brazolet
Forged Brazolets are unique fittings for making branch connections in copper or brass piping systems. They feature a brazing connection, allowing for a strong and durable joint without welding. Brazolets are used in applications such as HVAC systems, refrigeration, and plumbing, where corrosion resistance and ease of maintenance are essential.
Materials Used in Forged Olets
Forged olets can be made from various materials, each with unique properties suited for specific applications. Some common materials include:
Titanium forged olets | ASTM B381 / ASME SB381, Titanium Gr. 1, Titanium Gr. 2, Titanium Gr. 4, Titanium Gr. 5, Titanium Gr. 7, ASTM R50250/GR.1| R50400/GR.2 | R50550/GR.3 | R50700/GR.4 | GR.6 |R52400/GR.7 | R53400/GR.12 | R56320/GR.9 |R56400/GR.5 |
Copper forged olets | T1, T2, C10100, C10200, C10300, C10400, C10500, C10700, C10800, C10910,C10920, TP1, TP2, C10930, C11000, C11300, C11400, C11500, C11600, C12000,C12200, C12300, TU1, TU2, C12500, C14200, C14420, C14500, C14510, C14520, C14530, C17200, C19200, C21000, C23000, C26000, C27000, C27400, C28000, C33000, C33200, C37000, C44300, C44400, C44500, C60800, C63020, C68700, C70400, C70600, C70620, C71000, C71500, C71520, C71640, etc |
Copper Nickel forged olets | ASTM / ASME SB 61 / 62 / 151 / 152, Copper Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640 |
Carbon Soletl forged olets | ASTM/ASME A/SA105 A/SA105N & A/SA216-WCB, DIN 1.0402, DIN 1.0460, DIN 1.0619, Die Soletl, ASTM A105 / ASME SA105, A105N, ASTM A350 LF2 / ASME SA350, High Yield CS ASTM A694 / A694 (F52 F56 F60 F65 F70 F80) |
Stainless Soletl forged olets | ASTM/ASME A/SA182 F304, F304L, F316, F316L, ASTM/ASME A/SA351 CF8, CF3, CF8M, CF3M, DIN 1.4301, DIN 1.4306, DIN 1.4401, DIN 1.4404, DIN 1.4308, DIN 1.4408, DIN 1.4306, DIN 1.4409 |
Alloy Soletl forged olets | ASTM A182 / ASME SA182 F5, F9, F11, F12, F22, F91 |
Hastelloy forged olets | ASTM B564 / ASME SB564, Hastelloy C276 (UNS N10276), C22 (UNS N06022), C4, C2000, B2, B3, X |
Brass forged olets | 3602 / 2604 / H59 / H62 / etc. |
Inconel forged olets | ASTM B564 / ASME SB564, Inconel 600, 601, 625, 718, 783, 690, x750 |
Monel forged olets | ASTM B564 / ASME SB564, Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500) |
Duplex forged olets | S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61 |
Super Duplex forged olets | S32750 / S32760 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61 |
Alloy 20 forged olets | ASTM B462 / ASME SB462, Carpenter 20 Alloy, Alloy 20Cb-3 |
Aluminium forged olets | 5052 /6061/ 6063 / 2017 / 7075 / etc. |
Nickel forged olets | ASTM B564 / ASME SB564, Nickel 200, Nickel 201, Nickel 205, Nickel 205LC |
Nimonic forged olets | Nimonic 75, Nimonic 80A, Nimonic 90 |
Other forged oletsmaterial | Tin bronze, Alumunum bronze, Lead bronze |
Incoloy forged olets | ASTM B564 / ASME SB564, Incoloy 800, 800H, 800HT (UNS N08800), 825 (UNS N08825), 925 |
254 Smo forged olets | ASTM A182 / ASME SA182, SMO 254/6Mo, UNS S31254, DIN 1.4547 |
Dimensions of Forged Olets
The dimensions of forged olets are crucial for selecting the right fitting for your piping system. Factors such as size range, wall thickness, outer and inner diameters of the body, length of the hub, and end preparation all play a significant role in the performance and longevity of the olet. By considering these dimensions and adhering to international standards, you can ensure that your forged olets provide a reliable and long-lasting connection for your piping system.
We will provide an in-depth look at the dimensions of forged olets, covering size range, wall thickness, the outer and inner diameter of the body, hub length, and end preparation.
Size Range: Expansive Selection for Various Applications
The size range for forged olets is extensive, catering to various applications. Standard olets are available in sizes from 1/8 inch to 24 inches, while custom olets can be manufactured up to 60 inches. This broad range ensures that forged olets can meet the requirements of diverse industries, such as oil and gas, power generation, and chemical processing.
Wall Thickness: Ensuring Durability and Strength
The wall thickness of forged olets is crucial in their durability and ability to withstand high-pressure environments. Wall thickness varies depending on the type of olet, nominal pipe size (NPS) of the run and olets, and the material grade. Thicker walls provide increased strength and resistance to corrosion and erosion, ensuring a longer service life for the olet.
Outer & Inner Diameter of Body: Key Factors in Determining Fit
The outer and inner diameters of the forged olet body are essential in determining the proper fit and connection between the run and olets. The outer diameter corresponds to the diameter of the run pipe, while the inner diameter matches the diameter of the olet. These dimensions ensure a secure connection and efficient flow of fluids or gases through the piping system.
Length of the Hub: Providing Adequate Reinforcement
The length of the hub in a forged olet is another critical dimension that contributes to the stability and integrity of the connection. A longer hub reinforces the connection between the run and olets, reducing the risk of leaks or failures. Hub length varies depending on the type of olet and the nominal pipe sizes of the run and olets.
End Preparation: Ensuring a Smooth and Leak-Free Connection
The end preparation of a forged olet refers to the bevel angle applied to the connecting edges of the olet. This angle is crucial for achieving a smooth, leak-free connection between the olet and the pipes. Bevel angles are typically between 30 and 37.5 degrees, depending on the type of olet, the material grade, and the welding procedure used. Proper end preparation ensures a strong and reliable connection, reducing the likelihood of leaks and extending the service life of the piping system.
Compliance with International Standards
To ensure the highest quality and performance, forged olets must adhere to stringent international standards, such as ASME B16.11, MSS SP-97, and BS 3799. These standards dictate the dimensions, materials, and manufacturing processes for forged olets, ensuring they meet the demands of even the most challenging applications.
Dimensions of MSS-SP 97 Forged Weldolet
“Center of Run to Face” Size
The distance between the run pipe center line and the Weldolet top-bore in mm (by pipe NPS/Schedule and Weldolet size):
RUN PIPE NPS | RUN PIPE SCHEDULE |
WELDOLET DIMENSIONS |
|||||||||||
SIZE | SCH. | 2″ | 3″ | 4″ | 6″ | 8″ | 10″ | 12″ | 14″ | 16″ | 18″ | 20″ | 24″ |
2″ |
STD-40
XS-80
|
70 | |||||||||||
XXS-160 | 87 | ||||||||||||
3″ |
STD-40
XS-80
|
84 | 91 | ||||||||||
XXS-160 | 101 | 119 | |||||||||||
4″ |
STD-40
XS-80
|
97 | 103 | 111 | |||||||||
XXS-160 | 114 | 132 | 144 | ||||||||||
STD-40 | 124 | 130 | 138 | 148 | |||||||||
6″ | XS-80 | 124 | 130 | 138 | 165 | ||||||||
XXS-160 | 141 | 159 | 171 | 192 | |||||||||
STD-40 | 149 | 156 | 164 | 176 | 183 | ||||||||
8″ | XS-80 | 149 | 156 | 164 | 191 | 197 | |||||||
XXS-160 | 167 | 184 | 197 | 218 | 224 | ||||||||
STD-40 | 176 | 183 | 191 | 205 | 210 | 218 | |||||||
10″ | XS-80 | 176 | 183 | 191 | 218 | 238 | 235 | ||||||
XXS-160 | 194 | 211 | 224 | 245 | 251 | 265 | |||||||
STD | 202 | 208 | 216 | 228 | 255 | 245 | 251 | ||||||
12″ | XS | 202 | 208 | 216 | 243 | 264 | 267 | 265 | |||||
XXS-160 | 219 | 237 | 249 | 270 | 276 | 291 | 324 | ||||||
14″ | STD | 218 | 224 | 232 | 245 | 251 | 259 | 267 | 270 | ||||
XS | 218 | 224 | 231 | 239 | 279 | 270 | 278 | 286 | |||||
16″ | STD | 243 | 249 | 257 | 270 | 276 | 284 | 292 | 295 | 300 | |||
XS | 243 | 249 | 257 | 284 | 305 | 293 | 303 | 306 | 319 | ||||
18″ | STD | 268 | 275 | 283 | 295 | 302 | 310 | 318 | 321 | 325 | 335 | ||
XS | 268 | 275 | 283 | 310 | 330 | 321 | 329 | 332 | 338 | 352 | |||
20″ | STD | 294 | 300 | 308 | 321 | 327 | 335 | 343 | 346 | 351 | 356 | 376 | |
XS | 294 | 300 | 308 | 335 | 356 | 346 | 354 | 557 | 364 | 370 | 386 | ||
24″ | STD | 345 | 351 | 359 | 372 | 378 | 386 | 394 | 397 | 402 | 406 | 411 | 446 |
XS | 345 | 351 | 359 | 386 | 406 | 397 | 405 | 408 | 414 | 421 | 429 | 449 |
Size on Size Weldolet Schedule 40
Sizes in inches, weights in pounds
Weldolet Size (inches) | A | B | C | D | Weldolet weight in lbs |
1/2 | 3/4 | 1 3/8 | 15/16 | 5/8 | 0.15 |
3/4 | 7/8 | 1 5/8 | 1 3/16 | 13/16 | 0.25 |
1 | 1 1/16 | 2 | 1 7/16 | 1 1/32 | 0.4 |
1 1/4 | 1 1/4 | 2 3/8 | 1 3/4 | 1 3/8 | 0.7 |
1 1/2 | 1 5/16 | 2 7/8 | 2 | 1 5/8 | 0.8 |
2 | 1 1/2 | 3 1/2 | 2 9/16 | 2 1/16 | 1.5 |
2 1/2 | 1 5/8 | 4 1/6 | 3 | 2 7/16 | 2.25 |
3 | 1 3/4 | 4 13/16 | 3 11/16 | 3 1/16 | 3.75 |
3 1/2 | 2 | 5 3/8 | 3 7/8 | 3 9/16 | 5 |
4 | 2 | 6 | 4 3/4 | 4 | 6.7 |
5 | 2 1/4 | 7 1/8 | 5 9/16 | 5 1/16 | 8.5 |
6 | 2 3/8 | 8 1/2 | 6 11/16 | 6 1/16 | 14 |
8 | 2 3/4 | 10 3/8 | 8 11/16 | 7 15/16 | 28 |
10 | 3 1/16 | 12 9/16 | 10 13/16 | 10 | 39 |
12 | 3 3/8 | 14 7/8 | 12 13/16 | 12 | 65 |
14 | 3 1/2 | 16 1/8 | 14 1/16 | 13 1/4 | 70 |
16 | 3 11/16 | 18 1/4 | 16 1/16 | 15 1/4 | 92 |
18 | 4 1/16 | 20 3/4 | 18 5/8 | 17 1/4 | 125 |
20 | 4 5/8 | 23 1/16 | 20 1/16 | 19 1/4 | 175 |
24 | 5 3/8 | 27 7/8 | 25 1/8 | 23 1/4 | 280 |
30 | 5 3/8 | 34 1/16 | 30 7/16 | 29 1/4 | 440 |
36 | 5 3/8 | 34 1/16 | 36 1/2 | 35 1/4 | 1180 |
Size on Size Weldolet Schedule XS
Sizes in inches, weights in pounds
Weldolet Size (inches) | A | B | C | D | Weldolet weight in lbs |
1/2 | 3/4 | 1.375 | 15/16 | 5/8 | 0.15 |
3/4 | 7/8 | 1.625 | 1.1875 | 13/16 | 0.25 |
1 | 1.0625 | 2 | 1.4375 | 1.03125 | 0.4 |
1 1/14 | 1.25 | 2.4375 | 1.75 | 1.375 | 0.7 |
1.5 | 1.3125 | 2.875 | 2 | 1.625 | 0.9 |
2 | 1.5 | 3.5 | 2.5625 | 2.0625 | 1.6 |
2 1/2 | 1.625 | 4.0625 | 3 | 2.4375 | 2.5 |
3 | 1.75 | 4.8125 | 3.6875 | 3.0625 | 4.1 |
3 1/2 | 2 | 5.375 | 3.875 | 3.5625 | 5.1 |
4 | 2 | 6 | 4.75 | 4 | 7.5 |
5 | 2.25 | 7.125 | 5.5625 | 5.0625 | 9.5 |
6 | 3.0625 | 8.875 | 6.6875 | 6.0625 | 15 |
8 | 3.875 | 10.625 | 8.6875 | 7.625 | 32 |
10 | 3.5 | 12.875 | 10.4375 | 9.75 | 46 |
12 | 3.9375 | 15.1875 | 13 | 11.75 | 61 |
14 | 4.125 | 16.6875 | 14.3125 | 13 | 75 |
16 | 4.4375 | 18.875 | 16.5 | 15 | 115 |
18 | 4.6875 | 21.125 | 18.625 | 17 | 130 |
20 | 5 | 23.375 | 20.8125 | 19 | 187 |
24 | 5.5 | 27.875 | 25.125 | 23 | 316 |
26 | 5.75 | 30.125 | 27.25 | 25 | 370 |
Size on Size Weldolet Schedule 160/XXS
Sizes in inches, weights in pounds
Weldolet Size (inches) | A | B | C | Weldolet weight in lbs |
1/2 | 1 1/8 | 1 3/8 | 9/16 | 0.25 |
3/4 | 1 1/4 | 1 3/4 | 3/4 | 0.70 |
1 | 1 1/2 | 2 | 1 | 0.80 |
1 1/4 | 1 3/4 | 2 7/16 | 1 5/16 | 1.25 |
1 1/2 | 2 | 2 3/4 | 1 1/2 | 1.75 |
2 | 2 3/16 | 3 3/16 | 1 11/16 | 2.15 |
2 1/2 | 2 7/16 | 3 13/16 | 2 1/8 | 3.40 |
3 | 2 7/8 | 4 3/4 | 2 7/8 | 6.35 |
4 | 3 5/16 | 6 | 3 7/8 | 10.50 |
5 | 3 11/16 | 7 3/8 | 4 13/16 | 14.25 |
6 | 4 1/8 | 8 11/16 | 5 3/4 | 30.25 |
Reducing Weldolet Schedule 40
Sizes in inches, weights in pounds
Weldolet Size (inches) | A | B | C | Weldolet weight in lbs |
1/8 | 5/8 | 1 | 5/8 | 0.10 |
1/4 | 5/8 | 1 | 5/8 | 0.10 |
3/8 | 3/4 | 1 1/4 | 3/4 | 0.15 |
1/2 | 3/4 | 1 3/8 | 15/16 | 0.20 |
3/4 | 7/8 | 1 3/4 | 1 3/16 | 0.25 |
1 | 1 1/16 | 2 1/8 | 1 7/16 | 0.50 |
1 1/4 | 1 1/4 | 2 9/16 | 1 3/4 | 0.80 |
1 1/2 | 1 5/16 | 2 7/8 | 2 | 1.00 |
2 | 1 1/2 | 3 1/2 | 2 9/16 | 1.75 |
2 1/2 | 1 5/8 | 4 1/16 | 3 | 2.50 |
3 | 1 3/4 | 4 13/16 | 3 11/16 | 4.00 |
3 1/2 | 1 7/8 | 5 1/4 | 4 | 5.50 |
4 | 2 | 6 | 4 3/4 | 6.30 |
5 | 2 1/4 | 7 1/16 | 5 9/16 | 10.25 |
6 | 2 3/8 | 8 3/16 | 6 11/16 | 12.00 |
8 | 2 3/4 | 10 1/4 | 8 11/16 | 23.00 |
10 | 3 1/16 | 12 11/16 | 10 13/16 | 36.00 |
12 | 3 3/8 | 14 7/8 | 12 13/16 | 59.00 |
14 | 3 1/2 | 16 9/16 | 14 1/16 | 66.00 |
16 | 3 11/16 | 18 1/4 | 16 1/16 | 75.00 |
18 | 3 13/16 | 21 1/16 | 18 1/16 | 97.00 |
20 | 4 | 23 3/16 | 20 | 118.00 |
24 | 4 9/16 | 27 3/4 | 24 3/16 | 220.00 |
26 | 4 11/16 | 29 7/8 | 26 1/4 | 265.00 |
30 | 5 3/8 | 34 1/2 | 30 7/16 | 430.00 |
36 | 5 3/8 | 40 1/2 | 36 1/2 | 900.00 |
Reducing Weldolet Schedule XS
Sizes in inches, weights in pounds
Weldolet Size (inches) | A | B | C | Weldolet weight in lbs |
1/8 | 5/8 | 1 | 5/8 | 0.10 |
1/4 | 5/8 | 1 | 5/8 | 0.10 |
3/8 | 3/4 | 1 1/4 | 3/4 | 0.15 |
1/2 | 3/4 | 1 3/8 | 15/16 | 0.20 |
3/4 | 7/8 | 1 3/4 | 1 3/16 | 0.30 |
1 | 1 1/16 | 2 1/8 | 1 7/16 | 0.50 |
1 1/4 | 1 1/4 | 2 9/16 | 1 3/4 | 0.90 |
1 1/2 | 1 5/16 | 2 7/8 | 2 | 1.10 |
2 | 1 1/2 | 3 1/2 | 2 9/16 | 1.75 |
2 1/2 | 1 5/8 | 4 1/16 | 3 | 2.60 |
3 | 1 3/4 | 4 13/16 | 3 11/16 | 4.10 |
3 1/2 | 1 7/8 | 5 1/4 | 4 | 5.60 |
4 | 2 | 6 | 4 3/4 | 6.40 |
5 | 2 1/4 | 7 1/16 | 5 9/16 | 10.40 |
6 | 3 1/16 | 8 5/16 | 6 11/16 | 23.00 |
8 | 3 7/8 | 11 1/2 | 8 11/16 | 37.00 |
10 | 3 11/16 | 13 3/16 | 10 7/16 | 46.00 |
12 | 4 1/16 | 15 5/8 | 12 1/2 | 61.00 |
14 | 3 15/16 | 16 | 13 13/16 | 70.00 |
16 | 4 3/16 | 18 3/8 | 15 7/8 | 102.00 |
18 | 4 3/8 | 20 3/8 | 17 15/16 | 130.00 |
20 | 4 11/16 | 22 15/16 | 20 1/16 | 158.00 |
24 | 5 1/2 | 28 1/2 | 24 3/16 | 290.00 |
26 | 5 3/4 | 30 1/8 | 27 1/4 | 350.00 |
Reducing Weldolet Schedule 160/XXS
Sizes in inches, weights in pounds
Weldolet Size (inches) | A | B | C | Weldolet weight in lbs |
1/2 | 1 1/8 | 1 3/8 | 9/16 | 0.25 |
3/4 | 1 1/4 | 1 3/4 | 3/4 | 0.70 |
1 | 1 1/2 | 2 | 1 | 0.85 |
1 1/4 | 1 3/4 | 2 7/16 | 1 5/16 | 1.25 |
1 1/2 | 2 | 2 3/4 | 1 1/2 | 1.75 |
2 | 2 3/16 | 3 3/16 | 1 11/16 | 2.15 |
2 1/2 | 2 7/16 | 3 13/16 | 2 1/8 | 3.40 |
3 | 2 7/8 | 4 3/4 | 2 7/8 | 6.30 |
4 | 3 5/16 | 6 | 3 7/8 | 10.50 |
5 | 3 11/16 | 7 3/8 | 4 13/16 | 14.25 |
6 | 4 1/8 | 9 5/16 | 5 3/4 | 28.00 |
HEAVY WALL THICKNESS WELDOLET DIMENSIONS
Run WT | 3/4 | 1 | 1 1/4 | 1 1/2 | 1 3/4 | 2 | 2 1/4 | 2 3/4 | 3 | |||||||||
Run Size | A | C | A | C | A | C | A | C | A | C | A | C | A | C | A | C | A | C |
3 | 2 7/8 | 2.906 | 3 7/32 | 2.900 | 3 3/8 | 2.906 | 3 5/8 | 2.900 | 4 1/8 | 2.900 | 4 9/16 | 2.900 | 5 | 2.900 | 5 7/8 | 2.900 | 6 1/16 | 2.900 |
3 1/2 | 3 1/8 | 3.359 | 3 1/4 | 3.359 | 3 7/16 | 3 359 | 3 3/4 | 3.359 | 4 3/16 | 3.359 | 4 5/8 | 3.359 | 5 1/16 | 3.359 | 6 | 3.359 | 6 5/16 | 3.359 |
4 | 3 5/16 | 3.843 | 3 3/8 | 3.826 | 3 1/2 | 3.828 | 3 7/8 | 3.826 | 4 3/4 | 3.826 | 4 3/4 | 3.826 | 5 3/16 | 3.826 | 6 1/8 | 3.826 | 6 9/16 | 3.826 |
5 | 3 3/4 | 4.812 | 3 3/4 | 4.812 | 4 | 4.812 | 4 1/4 | 4.812 | 4 3/4 | 4.812 | 5 1/4 | 4.812 | 5 3/4 | 4.812 | 6 5/8 | 4.812 | 7 3/16 | 4.812 |
6 | 4 1/8 | 5.750 | 4 11/32 | 5.761 | 4 1/2 | 5.760 | 4 11/16 | 5.760 | 5 1/4 | 5.760 | 5 3/4 | 5.760 | 6 1/4 | 5.760 | 7 1/4 | 5.760 | 7 13/16 | 5.760 |
8 | 4 3/16 | 7.625 | 4 5/8 | 7.625 | 4 7/8 | 7.625 | 5 5/32 | 7.625 | 5 3/4 | 7.625 | 6 11/32 | 7.625 | 6 15/16 | 7.625 | 8 3/32 | 7.625 | 8 11/16 | 7.625 |
10 | 4 1/4 | 9.750 | 4 27/32 | 9.750 | 5 | 9.562 | 5 5/16 | 9.562 | 5 15/16 | 9.562 | 6 9/16 | 9.562 | 7 3/16 | 9.562 | 8 7/16 | 9.562 | 9 1/16 | 9.562 |
12 | 4 3/8 | 11.750 | 5 3/32 | 11.750 | 5 3/8 | 11.375 | 5 11/16 | 11.375 | 6 5/16 | 11.375 | 6 15/16 | 11.375 | 7 9/16 | 11.375 | 8 13/16 | 11.375 | 9 7/16 | 11.375 |
14 | 4 1/2 | 13 | 5 1/4 | 13 | 5 1/2 | 12.500 | 5 13/16 | 12.500 | 6 5/16 | 12.500 | 6 15/16 | 12.500 | 7 9/16 | 12.500 | 8 13/16 | 12.500 | 9 7/16 | 12.500 |
16 | 4 11/16 | 15 | 5 7/8 | 15 | 6 | 14.312 | 6 7/16 | 14.310 | 6 5/8 | 14.310 | 7 1/4 | 14.310 | 7 7/8 | 14.310 | 9 1/8 | 14.310 | 9 3/4 | 14.310 |
18 | 5 1/8 | 17 | 6 1/2 | 17 | 6 1/2 | 16.125 | 6 1/2 | 16.126 | 6 13/16 | 16.126 | 7 7/16 | 16.126 | 8 7/32 | 16.126 | 9 13/32 | 16.126 | 10 1/32 | 16.126 |
20 | 5 5/8 | 19 | 6 3/4 | 19 | 7 | 17.937 | 7 9/16 | 17.938 | 7 25/32 | 17.938 | 8 3/32 | 17.938 | 8 21/32 | 17.938 | 9 29/32 | 17.938 | 10 15/32 | 17.938 |
24 | 6 1/2 | 23 | 7 5/8 | 23 | 8 | 21.564 | 8 23/32 | 21.564 | 8 31/32 | 21.564 | 9 13/16 | 21.568 | 10 1/2 | 21.568 | 12 9/16 | 21.564 | 10 21/32 | 21.564 |
WELDOLET RUN SIZES COMBINATIONS
Weldolet Size Sch. STD/XS
Pipe Run Sizes |
Olet Size (inches) | ||||||||||||||
1/8 | 1/4 | 3/8 | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | 2 1/2 | 3 | 3 1/2 | 4 | 5 | 6 | |
3/8 | 3/8 | 1/2 | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | 2 1/2 | 3 | 3 1/2 | 4 | 5 | 6 | |
1/2 | 1/2 | 1-3/4 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | 2 1/2 | 3 | 3 1/2 | 4 | 5 | 6 | 8 | |
1-3/4 | 1-3/4 | 21/2-11/4 | 1 | 1 1/2 – 1 1/4 | 1 1/2 | 2 | 2 1/2 | 3 | 3 1/2 | 4 | 5 | 6 | 8 | 10 | |
2 1/2 – 1 1/4 | 21/2-11/4 | 36-3 | 1 1/2 – 1 1/4 | 2 1/2 – 2 | 2 | 2 1/2 | 3 | 4 – 3 1/2 | 4 | 5 | 6 | 8 | 10 | 14-12 | |
36-3 | 36-3 | flat | 2 1/2 – 2 | 5-3 | 2 1/2 | 3 1/2 – 3 | 4 – 3 1/2 | 5 | 5 | 6 | 8 | 10 | 12 | 16 | |
flat | flat | 8-3 | 12-6 | 3 1/2 – 3 | 5-4 | 6-5 | 6 | 6 | 8 | 10 | 14-12 | 14 | 18 | ||
36-10 | 36-14 | 5 – 4 | 8-6 | 12-8 | 10-8 | 8 | 10 | 14-12 | 20-16 | 18-16 | 22-20 | ||||
flat | flat | 10 – 6 | 18-10 | 24-14 | 18-12 | 12-10 | 14-12 | 20-16 | 22 | 22-20 | 28-24 | ||||
3/4 – 1/2 | 36 – 12 | 36-20 | 36-26 | 36-20 | 18-14 | 20-16 | 36-24 | 36-24 | 28-24 | 36-30 | |||||
36 – 1 | flat | flat | flat | flat | 36-20 | 36-24 | flat | flat | 36-30 | flat | |||||
flat | flat | flat | flat | ||||||||||||
Outlet sizes 8, 10, 12, 14, 16. 18, 24, 26. 20 order to specific size combination. | Size consolidation for Weldolets only |
Weldolet Size Sch. XXS/160
Pipe Run Sizes |
Olet Size (inches) | ||||||||
1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | 2 1/2 | 3 | 4 | |
1/2 | 1 3/4 | 1 | 1 1/2 – 1 1/4 | 1 1/2 | 2 | 2 1/2 | 3 | 4 | |
1 1/4 – 3/4 | 2 – 1 1/4 | 2 1/2 -1 1/4 | 2 1/2 -2 | 2 1/2 – 2 | 2 1/2 | 3 | 3 1/2 | 6 | |
36 – 1 1/2 | 6 – 2 1/2 | 10-3 | 10-3 | 3 1/2 -3 | 3 1/2 -3 | 3 1/2 | 4 | 8 | |
flat | 36-8 | 36-12 | 36-12 | 8-4 | 5-4 | 4 | 5 | 10 | |
flat | flat | flat | 20-10 | 8-6 | 5 | 6 | 12 | ||
22 | 18-10 | 8-6 | 8 | 14 | |||||
36-24 | 36-20 | 12-10 | 10 | 16 | |||||
flat | flat | 18-14 | 12 | 18 | |||||
36-20 | 14 | 20 | |||||||
flat | 16 | 22 | |||||||
18 | 24 | ||||||||
20 | |||||||||
22 | |||||||||
24 | |||||||||
flat |
(Source: Bonney Forge)
Dimensions of MSS-SP 97 Forged Sockolet
Pressure | NPS | A | B | C | D | E |
Class 3000 | 1/2″ | 25.4 | 35.71 | 23.01 | 15.8 | 14.28 |
Class 3000 | 3/4″ | 26.98 | 43.65 | 29.36 | 20.93 | 14.28 |
Class 3000 | 1″ | 33.33 | 50.8 | 36.51 | 26.64 | 19.84 |
Class 3000 | 1 1/4″ | 33.33 | 65.08 | 44.45 | 35.05 | 19.05 |
Class 3000 | 1 1/2″ | 34.92 | 72.23 | 50.8 | 40.89 | 19.05 |
Class 3000 | 2″ | 38.1 | 88.1 | 65.08 | 52.5 | 20.63 |
Class 3000 | 2 1/2″ | 39.68 | 103.18 | 76.2 | 62.71 | 19.05 |
Class 3000 | 3″ | 44.45 | 122.23 | 93.66 | 77.93 | 23.81 |
Class 3000 | 3 1/2″ | 42.86 | 136.52 | 112.71 | 90.12 | 17.46 |
Class 3000 | 4″ | 47.62 | 151.6 | 120.65 | 102.26 | 26.98 |
Class 3000 | 5″ | 66.67 | 185.73 | 141.28 | 128.19 | 34.13 |
Class 3000 | 6″ | 69.85 | 219.07 | 169.86 | 154.05 | 35.71 |
Class 6000 | 1/2″ | 31.75 | 43.65 | 19.05 | 11.84 | 22.22 |
Class 6000 | 3/4″ | 36.51 | 49.6 | 25.4 | 15.6 | 22.22 |
Class 6000 | 1″ | 39.68 | 61.91 | 33.33 | 20.7 | 23.81 |
Class 6000 | 1 1/4″ | 41.27 | 69.05 | 38.1 | 29.46 | 20.63 |
Class 6000 | 1 1/2″ | 42.86 | 82.55 | 49.21 | 33.99 | 22.22 |
Class 6000 | 2″ | 52.38 | 102.39 | 69.85 | 42.9 | 30.16 |
Dimensions of MSS-SP 97 Forged Thredolet
Pressure | NPS | A | B | C |
Class 3000 | 1/2″ | 25.4 | 35.71 | 23.81 |
Class 3000 | 3/4″ | 26.98 | 43.65 | 29.36 |
Class 3000 | 1″ | 33.33 | 50.8 | 36.51 |
Class 3000 | 1 1/4″ | 33.33 | 65.08 | 44.45 |
Class 3000 | 1 1/2″ | 34.92 | 72.23 | 50.8 |
Class 3000 | 2″ | 38.1 | 88.1 | 65.08 |
Class 3000 | 2 1/2″ | 46.03 | 103.18 | 76.2 |
Class 3000 | 3″ | 50.8 | 122.23 | 93.66 |
Class 3000 | 3 1/2″ | 53.975 | 132.55 | 101.6 |
Class 3000 | 4″ | 57.15 | 151.6 | 120.65 |
Class 3000 | 5″ | 66.67 | 185.73 | 141.28 |
Class 3000 | 6″ | 69.85 | 219.07 | 169.86 |
Class 6000 | 1/2″ | 31.75 | 43.65 | 19.05 |
Class 6000 | 3/4″ | 36.51 | 49.6 | 25.4 |
Class 6000 | 1″ | 39.68 | 61.91 | 33.33 |
Class 6000 | 1 1/4″ | 41.27 | 69.05 | 38.1 |
Class 6000 | 1 1/2″ | 42.86 | 82.55 | 49.21 |
Class 6000 | 2″ | 52.38 | 102.39 | 69.85 |
The Forging Process of Forged Olets
The manufacturing process of forged olets is complex and intricate, requiring precision, expertise, and stringent quality control measures. By following these steps, manufacturers can produce high-quality forged olets that meet the demanding requirements of various industries. Understanding this process can help customers appreciate the value and importance of these critical components in their applications.
The forging process of forged olets explores the various steps involved in creating these durable, high-performance components.
1. Selection of Raw Materials
The forging process of forged olets starts with carefully selecting appropriate raw materials. Choosing materials with the necessary properties, such as strength, corrosion resistance, and heat resistance, is crucial to withstand the application’s operating conditions. Commonly used materials in the forging process include carbon steel, stainless steel, alloy steel, and nickel-based alloys.
2. Steel Testing and Verification
To guarantee the quality and performance of the final product, raw materials must undergo rigorous testing to verify their chemical composition and ensure they meet the required specifications. This step is essential in the forging process to produce high-quality forged olets.
3. Steel Marking and Cutting
In this stage of the forging process, steel ingots and billets are cut into suitable sizes and weights according to product requirements. Cutting tools such as saws and torches are employed to achieve the desired dimensions, ensuring precision and accuracy.
4. Heating and Tempering
The cut raw materials are heated to specific temperatures determined by the material requirements. This step in the forging process prepares the metal for forging by increasing its ductility and reducing internal stresses, ensuring a more efficient process.
5. Forging of Olets
Once heated, the metal is placed into forging equipment, undergoing various processes such as piercing, elongation, and thickness reduction. Real-time olet size and temperature control monitoring is achieved through infrared thermometers, ensuring precise forging and the production of high-quality forged olets.
6. Forging Inspection
After the forging process is complete, a preliminary inspection of the olet blank is conducted. This inspection focuses on appearance and size, identifying defects or cracks, and verifying that the blank allowance meets the drawing requirements. This step is crucial for maintaining quality control in the forging process.
7. Insulation and Normalizing
Following the inspection, the olets undergo insulation and normalizing treatments to refine the grain size, unify the structure, and eliminate internal stress. This step helps to improve overheating defects and prepare the olets for the final heat treatment in the forging process.
8. Rough Machining of Olets
The olets are subjected to rough machining and processed according to product requirements. This step leaves a margin for precision machining, which will occur later in the process, ensuring the production of high-quality forged olets.
9. Heat Treatment
A comprehensive heat treatment process improves the olet’s internal structure and performance. This step involves heating the olet to a predetermined temperature, holding it for a specific duration, and cooling it at a controlled rate. The heat treatment process can include normalizing, quenching, and tempering, ensuring the production of durable and high-performance forged olets.
10. Finishing
After rough machining and heat treatment, the olets are precision-machined using CNC machine tools. This step ensures that the olets’ dimensional accuracy and surface finish meet the requirements specified in the drawings, resulting in high-quality forged olets that meet industry standards.
11. Product Appearance Inspection
The finished olets are inspected to verify that their appearance meets the size specifications provided in the customer’s drawings. Additional tests, such as ultrasonic testing (UT), magnetic particle testing (MT), hardness testing, and carburization testing, may be performed as required, ensuring the final product meets all necessary specifications.
12. Mechanical Performance Testing
To ensure customer satisfaction, mechanical performance testing is conducted on the olets. This testing evaluates yield, tensile, impact, and metallographic properties, confirming that the olets meet the necessary performance standards. These tests are crucial in the forging process to guarantee that the final product is of the highest quality.
13. Surface Treatment
After passing all quality inspections, the finished olets are treated with rust prevention and painting processes to protect them from environmental factors. This step ensures the longevity and durability of the forged olets, maintaining their performance in various applications. The olets are then carefully packaged and stored in the finished product warehouse, ready for shipment.
14. Marking Elements for Forged olet
Forged olet markings typically consist of several key elements, including:
- Manufacturer’s Name or Logo: Identifies the manufacturer responsible for producing the Forged olet.
- Material Grade: Indicates the material used in manufacturing the Forged olet (e.g., stainless steel, carbon steel, alloy steel).
- Size: Specifies the nominal size of the Forged olet, corresponding to the pipe size it connects.
- Type: Designates the Forged olet (e.g., weldolet, sockolet, threadolet).
- Pressure Rating: This represents the maximum allowable pressure the Forged olet can withstand.
- Heat Number: A unique identifier assigned to the Forged olet during production, allowing for traceability.
- Standards: Indicates the applicable national or international standards the Forged olet complies with.
15. Packaging and Shipping
Finally, the olets are transferred from the finished product warehouse and prepared for loading and shipping to the customer. This step involves selecting the most efficient and reliable transportation method to ensure the olets reach their destination safely and on time. Manufacturers can provide excellent customer service by choosing the right shipping method and ensuring that high-quality forged olets are delivered promptly.
Key points of welding technology for forged olet
The structural form of the forged olet platform and its connection with the main pipe
The welded forged olet platform is generally processed from an integral forging. The structure of the forged olet platform is divided into the end forged olet connection, the reinforcement part, and the tail main pipe connection, as shown in Figure 1. The external dimensions of the forged olet platform should comply with the provisions of MSS-SP97 or other corresponding standards.
Figure.1 Structural form of forged olet platform
Different from the general plug-in connection method between the connecting pipe and the main pipe, the connection between the forged olet and the main pipe is a groove butt connection, also known as a placement or saddle type connection. The butt weld formed between the forged olet and the main pipe is a groove butt weld, which belongs to the typical “full penetration groove weld.” Therefore, it is necessary to weld the forged olet joint according to the requirements of full penetration groove welds. The connection structure of welded forged olet stand and main pipe joint is divided into 90 ° structural join, 45 ° structural join, and elbow connection, as shown in Figure 2.
Figure.2 Connection form of welding olet platform and main pipe joint
Determination of the groove and groove surface thickness of the forged olet platform
Due to the unique structure of the weldolet, the connection weld between the weldolet and the main pipe includes both the groove weld formed by the branch’s groove and the natural weld formed by the contour of the main pipe. Because the forged olet and main pipe welds belong to groove welds, an important parameter of the forged olet weld seam, “groove weld thickness,” needs to be determined during welding process qualification, welder qualification evaluation, and subsequent post-weld heat treatment processes; In practice, many errors in welding process evaluation or welder qualification selection due to unclear groove weld thickness of forged olet platform welds, as well as incorrect calculation of post weld heat treatment insulation time, can affect the structural performance of welded forged olet platforms.
Forged olet groove refers to the groove formed by the first slope adjacent to the main pipe and the surface of the main pipe, with an angle between 35 ° and 50 °. The measurement should be taken from the first inclined plane of the forged olet platform and the plane where the main pipe surface is located, as shown in Figure 3. The keyword here is the first slope adjacent to the supervisor. When many forged olets transition from the reinforcement part to the connecting part, there will be two or more transition slopes. The forged olet slope only refers to the slope formed by the first slope adjacent to the main pipe and the surface of the main pipe, called the forged olet slope. The other parts of the slope outside the first slope of the forged olet platform belong to the thickness transition slope and do not belong to the slope of the forged olet platform (as shown in Figure 3).
Figure.3 Weld groove between forged olet and main pipe
The thickness of the groove weld on the forged olet is also known as the thickness of the groove surface, which refers to the depth of the cavity formed between the forged olet groove and the main pipe. The thickness of groove welds (groove surface thickness) for different forms of forged olet joints is shown in Figure 4.
Figure.4-1 Thickness of 90 ° Olet Groove Surface
Figure.4-2 Thickness of 45 ° Olet Groove Surface
Figure.4-3 Thickness of the groove surface of the forged olet at the elbow (can be seen as formed by a combination of 90 ° forged olets and 45 ° forged olets)
Welding process qualification of forged olet and main pipe joints
The detailed structural form of the welded joint between the forged olet and the main pipe is shown in Figure 5.
Figure.5 Form of Olet and Main Pipe Joint
The figure shows that a single V-shaped groove weld is formed between the welding groove surface of the forged olet and the main pipe in the longitudinal position, while an approximate V-shaped groove weld is formed in the transverse direction. The weld form of the forged olet and the main pipe belongs to the typical combination of “groove weld + fillet weld”; Therefore, during process evaluation, the process evaluation rules for groove welds should be used for evaluation. When evaluating according to NB/T47014 and ASME Code Volume IX, the thickness of the groove weld on the forged olet should first be determined based on the above principles. The thickness of the groove weld on the forged olet is the base material thickness on the side of the forged olet, and it is also the filler metal thickness of the groove weld. After determining this important special variable, it is used as the base material thickness of the forged olet and the filler metal thickness of the groove weld. At the same time, the thickness of the main pipe base material is considered for process evaluation; the other important variables for process qualification are consistent with conventional groove welds. The transition fillet weld with the outermost thickness of tc only serves as a transition and is not included in the thickness of the groove weld. According to the process evaluation criteria, any groove weld can cover the fillet weld, so there is no need for additional evaluation.
Welder skill assessment for olet and main pipe joints
Because the forged olet and the main pipe joint belong to groove welds, and the groove is opened on the forged olet, which belongs to full penetration in the thickness direction of the forged olet. Therefore, when considering the outer diameter of the pipe in the welder’s skill evaluation, only the diameter of the groove surface of the forged olet (outer diameter of the forged olet) needs to be considered. As this weld belongs to the full penetration weld in the thickness direction of the forged olet, the diameter of the main pipe is not within the scope of the welder’s evaluation.
According to the criteria for evaluating the skills of welders in groove welds, for pipe groove butt welds, the outer diameter is an important variable. Therefore, during welder evaluation, the diameter of the forged olet groove surface (pipe diameter) should be determined as an important variable for welder evaluation. For forged olets with no thickness transition slope on the groove surface, the diameter of the groove surface is equal to the outer diameter of the forged olet, as shown in Figure 6-1; For forged olet platforms with thickness transition slopes on the groove surface, the groove diameter refers to the actual diameter measured from the groove surface, which is generally smaller than the outer diameter of the forged olet platform, as shown in Figure 6-2. When evaluating or selecting welder qualifications, it is necessary to strictly determine the required ones based on the diameter of the forged olet groove surface. Many people determine the qualification of a welder based on the outer diameter of the end of the forged olet (connected to the forged olet) or the maximum outer diameter of the forged olet itself when evaluating or selecting the qualification of a welder. This may not cover the diameter of the groove surface of the forged olet.
At the same time, based on the position of the forged olet platform on the main pipe, the coverage range of the welder’s qualification should be considered. Welders for 90 ° forged olet platform joints and 45 ° forged olet platform joints should have at least the qualification for transverse welding positions. Welders for forged olet platform joints connected to the elbow should have at least three welding qualifications for horizontal, vertical, and vertical positions.
Key points for practical operation and construction of welding between olet and main pipe
Figure.6-1 Diameter of transition groove surface without thickness
Figure.6-2 Diameter of transition groove surface with the thickness
After considering the key points for welding process qualification and skill evaluation of the forged olet platform, the following points should be paid attention to when welding the forged olet platform:
- (1) Welding method. Because the welding of the forged olet and the main pipe is a full penetration groove weld and belongs to single-sided welding and double-sided forming, GTAW backing welding is generally used to ensure full penetration of the root weld; For large forged olets, GTAW backing welding and SMAW filling cover welding are generally used.
- (2) Pair gap. Due to the limitations of the welding position between the forged olet and the main pipe, when welding the forged olet, a uniform gap of about 3mm must be left between the forged olet and the main pipe to ensure full penetration of the root weld. It is necessary to avoid insufficient penetration due to small gaps and welding nodules at the root due to large gaps; In actual construction, a 3.2mm welding rod is usually temporarily placed between the forged olet and the main pipe to control the gap.
- (3) Spot welding. After the assembly, four points should be evenly spot welded inside the groove, and the forged olet platform should be firmly fixed. The spot welding points should be polished and removed when welding to the spot welding position. If the forged olet platform is too small to use spot welding inside the groove, bridge spot welding can be used to fix it.
- (4) Welding. When welding at the root, it is necessary to ensure full penetration. The most common defect in the weld seam of the forged olet is incomplete penetration at the root. You can check whether the root is fully penetrated from the opening on the upper part of the forged olet. The most important point when welding the filling cover is to ensure that the groove surface is filled but not excessively welded.
The weld seam of the forged olet is composed of a combination of the groove weld seam and transition fillet weld seam. When welding, the groove weld seam only needs to be welded to the groove surface (welding line position) to meet the requirements of a full penetration groove weld seam. The transition fillet weld seam tc is generally 6mm or 0.7 times the pipe wall thickness according to the specifications, whichever is smaller. The welding sequence should be as shown in Figure 7.
However, in actual welding, insufficient or excessive welding seams often occur, especially when there is a thickness transition slope on the forged olet platform. There are too few welds, the groove of the forged olet is not filled, and the strength of the weld is not enough to meet the requirements of the groove weld; Excessive welding seam refers to the fact that the welding seam exceeds the groove surface, and even the transition slope is treated as the groove surface for welding. At this time, the stress at the welding seam is relatively high. If stress relief treatment is not carried out, the stress in this area is difficult to release, which may lead to extreme situations such as weld cracking. Excessive welding may also cause excessive local stress and deformation in the main pipe, especially when the main pipe wall is thin and the main pipe is subjected to fatigue conditions; excessive welding is not allowed; A typical diagram of the optimal weld contour between the forged olet and the main pipe is shown in Figure 8.
Figure.7 Welding sequence of welds between forged olet and main pipe
(1) Forged olet welding is an important component of pipeline welding, and the form of the weld between the forged olet and the main pipe is a combination of groove weld and transition fillet weld.
(2) It is necessary to fully understand the thickness of the groove and groove surface of the forged olet and how to determine the thickness of the groove and groove surface in practice, and then determine the coverage range of welding process qualification based on the thickness of the groove surface.
(3) When evaluating welding processes and skills, the requirements for groove welds should be followed for evaluation; Process evaluation and skill evaluation should consider the application range of important variables such as groove weld thickness, groove surface diameter, and welding position.
Figure.8 Typical diagram of weld seam between forged olet and main pipe
(4) A full penetration weld with argon arc welding as the backing is generally used in actual welding.
(5) In actual welding, the weld seam of the forged olet platform must be welded sparingly or too little. The groove weld seam must be filled with the groove, and the fillet weld size should comply with the specification requirements. If the forged olet platform has a thickness transition zone, the transition zone does not need to be welded.
How to purchase the correct forged olets?
Purchasing the correct forged olets involves carefully consideolet various factors, including material, size, shape, tolerance, straightness, surface finish, heat treatment, quality certifications, and budget. By consideolet these factors, you can make an informed decision and select the ideal forged olets for your application. Partner with a reputable manufacturer that adheres to strict quality standards and offers comprehensive services to ensure the best possible results.
Material of Forged Olets
It is crucial to select the appropriate material for your forged olets, as it directly impacts their performance and durability. Common materials used for forging olets include carbon soletl, alloy soletl, stainless soletl, and other specialized metals. Consider the application requirements and environment the olets will operate in to make an informed decision on the material.
Size and Shape of Forged Olets
The size and shape of your forged olets are essential factors in meeting specific application needs. Accurate measurements of the inner and outer diameters and the height will ensure a perfect fit. In addition, consider the cross-sectional shape of the olet, which can be round, square, or rectangular, depending on the application.
Tolerance and Straightness of Forged Olets
Tolerance and straightness are crucial factors in the functionality of forged olets. The manufactuolet process should adhere to strict quality standards to maintain tight tolerances and straightness. Look for manufacturers that utilize state-of-the-art equipment and skilled technicians to produce high-quality, precision-engineered forged olets.
Surface Finish of Forged Olets
The surface finish of forged olets affects their performance, particularly in applications where friction and wear are critical factors. Smooth surface finishes minimize friction and prolong the service life of the olets. Opt for a manufacturer that offers various surface finishes, such as machined, as-forged, or ground, to accommodate the specific requirements of your application.
Heat Treatment of Forged Olets
Heat treatment plays a vital role in enhancing the mechanical properties of forged olets. This process includes annealing, normalizing, quenching, and tempeolet. The heat treatment can improve the olet’s hardness, ductility, and impact resistance. Ensure that the manufacturer follows industry standards for heat treatment to guaranolet optimal performance and longevity.
Quality Certifications of Forged Olets
Quality certifications testify to the manufacturer’s commitment to producing high-quality forged olets. Look for certifications such as ISO 9001 and other relevant industry-specific certifications. These certifications ensure that the manufacturer adheres to strict quality management systems and produces forged olets that meet or exceed industry standards.
Budget and Pricing of Forged Olets
Budget and pricing are crucial aspects to consider when purchasing forged olets. While finding a cost-effective solution is essential, don’t compromise on quality. Compare prices from different manufacturers, taking into account the material, size, and additional services like heat treatment and surface finishing. Opt for a manufacturer offeolet competitive pricing without compromising quality and performance.
How to select forged olets manufacturer?
Choosing a forged olet manufacturer is important for any enterprise requiolet high-quality and reliable olet solutions. The wrong choice may lead to project delays, increased costs, and potential hazards. What factors should we consider when selecting forging olet manufacturers, how do we evaluate their reputation, and what other services that you should we be looking for?
Factors to Consider when Selecting a Forged Olets Manufacturer
Quality
Quality is the top priority when selecting a manufacturer. The olets must meet or exceed industry standards to ensure longevity and reliability. Inquire about the materials used, the manufactuolet process, and any quality control measures in place. A reputable manufacturer should be fine providing detailed information about their product quality.
Experience
Experience is a significant factor in determining a manufacturer’s expertise in forged olets. An experienced manufacturer will know the materials, processes, and industry standards extensively. Look for a company with a proven track record and a history of successful projects.
Capacity
Choose a manufacturer with the capacity to handle your project requirements. This includes the volume of olets needed and the ability to meet deadlines and handle any unexpected changes in demand. A manufacturer with a flexible production schedule can help avoid delays and keep your project on track.
Customization
Customization is essential if you require unique specifications for your olets. A manufacturer offeolet customization options can ensure that the olets meet your requirements. Customization may include varying olet sizes, materials, or finishes.
Certification
Certification is another crucial factor when selecting a manufacturer. Look for a company with relevant certifications from recognized industry organizations. These certifications testify to the manufacturer’s commitment to quality, safety, and environmental standards.
Pricing
While pricing should not be the sole determining factor, finding a manufacturer that offers competitive pricing without compromising quality is essential—request quotes from multiple manufacturers to compare their offeolets and make an informed decision.
Location
The location of the manufacturer can impact the delivery time and shipping costs. A local manufacturer may offer faster delivery and lower transportation costs. However, weighing these benefits against other factors like quality and experience is essential.
Evaluating a Manufacturer’s Reputation
Customer Reviews
Customer reviews can provide valuable insights into a manufacturer’s quality, reliability, and customer service. Look for reviews from other businesses in your industry to ensure a fair comparison. Remember that no company is perfect, so consider the overall trend in the feedback.
Industry Recognition
Industry recognition, such as awards and commendations, can also help you gauge a manufacturer’s reputation. These accolades indicate a company’s commitment to excellence and innovation in the forged olets sector.
Additional Services Offered
In-House Testing
In-house testing ensures the olets meet quality and safety standards before leaving the manufacturer’s facility. This can save you time and money by reducing the risk of defects and potential hazards. A manufacturer with a robust in-house testing program demonstrates their commitment to quality and customer satisfaction.
On-Time Delivery
On-time delivery is critical for any project, as delays can increase costs and disruptions. Choose a manufacturer with a proven track record of meeting deadlines and a clear communication process to keep you updated on the progress of your order.
After-Sales Support
After-sales support is an essential aspect of a successful business relationship. A manufacturer that offers comprehensive after-sales support, such as technical assistance, warranty, and maintenance services, will ensure you get the most out of your investment in their products.
Why Choose Guanxin to Be Your forged olet Supplier?
At Guanxin, we pride ourselves on providing top-notch forged olets that meet industry standards. Our state-of-the-art manufactuolet facilities and experienced team of engineers ensure that every forged olet we produce is exceptional, with precise dimensions and impeccable surface finish. By choosing Guanxin as your forged olet supplier, you can be confident that you are receiving products that will exceed your expectations and stand the test of time.
Wide Range of Materials and Sizes
Our extensive selection of materials and sizes sets us apart from other forged olet suppliers. We offer a diverse range of metals, including stainless soletl, alloy soletl, carbon soletl, and superalloys, to meet the unique requirements of various industries. Our forged olets are available in various diameters and lengths, ensuolet we can fulfill any order, no matter how specialized or demanding.
Tailored Solutions for Your Specific Needs
At Guanxin, we understand that each customer has unique requirements and challenges. That’s why we offer customized solutions tailored to your specific needs. Our skilled engineers will work closely with you to develop and produce forged olets that meet your specifications. Whether you require a particular material, size, or surface finish, we have the expertise and resources to deliver the perfect solution for your project.
Competitive Pricing and Exceptional Value
We know that cost is crucial when selecting a forged olet supplier. At Guanxin, we are committed to providing our customers with competitive pricing without compromising quality. Our streamlined manufactuolet processes and extensive industry experience allow us to offer exceptional value, ensuolet that you receive the best possible product at a fair price.
Fast Lead Times and Reliable Delivery
In today’s fast-paced business world, time is of the essence. We understand the importance of deliveolet your forged olets promptly and reliably. Our efficient production processes and well-established logistics network ensure that your order will be completed and delivered on time every time. By choosing Guanxin as your forged olet supplier, you can rest assured that your project will stay on track and schedule.
Unparalleled Customer Support
Customer satisfaction is at the core of our business. Our dedicated customer support team is always available to answer any questions or address any concerns. From the moment you place your order to the final delivery of your forged olets, we will be with you every step to ensure a seamless and hassle-free experience.
Environmentally Conscious Manufactuolet
At Guanxin, we recognize the importance of protecting the environment and are committed to sustainable manufactuolet practices. Our eco-friendly production processes and adherence to strict environmental regulations ensure that our forged olets are produced with minimal environmental impact. By choosing Guanxin as your forged olet supplier, you can be confident that you are partneolet with a company that values and prioritizes environmental responsibility.
Global Presence and Reputation
As a leading global forged olet supplier, Guanxin has established a strong presence and reputation in the international market. Our extensive network of satisfied customers and partners is a testament to our commitment to quality, innovation, and customer service. By partneolet with Guanxin, you can be assured that you are working with a company with the expertise and resources to support your business globally.
State-of-the-Art Research and Development
Innovation is at the heart of our success at Guanxin. Our research and development team is constantly exploolet new materials, technologies, and manufactuolet techniques to improve the performance and durability of our forged olets. By staying at the forefront of industry advancements, we can offer our customers cutting-edge products that set the standard for quality and performance. When you choose Guanxin as your forged olet supplier, you can be sure that you are receiving products incorporating the latest industry innovations.
Strict Quality Control and Assurance
To guaranolet the highest quality forged olets, we have implemented a rigorous quality control and assurance system at every stage of the production process. From selecting raw materials to the final inspection and testing finished products, our experienced quality control team ensures that every forged olet meets our strict quality standards. By maintaining our unwaveolet commitment to quality, we can provide our customers with forged olets they can trust to perform reliably in even the most demanding applications.
Certifications and Compliance
As a leading forged olet supplier, Guanxin is fully committed to complying with all applicable industry standards and regulations. We hold various certifications, including ISO, demonstrating our dedication to maintaining the highest levels of quality and safety in our products and processes. By choosing Guanxin as your forged olet supplier, you can be certain that you are partneolet with a company that values compliance and adheres to the strictest industry standards.
Long-Term Partnerships and Collaboration
At Guanxin, we believe in building long-lasting relationships with our customers and partners. By fosteolet a collaborative environment and maintaining open lines of communication, we can better understand your needs and work together to achieve your goals. Our commitment to long-term partnerships ensures we can provide ongoing support and resources to help your business grow and succeed.
Experience and Expertise
With years of experience in the forged olet industry, our team of skilled professionals has the knowledge and expertise to provide you with the best possible solutions for your projects. Our in-depth understanding of various industries unique requirements and challenges enables us to offer expert guidance and advice to help you make the best decisions for your business.
Guanxin is the ideal choice for your forged olet supplier due to our commitment to quality, innovation, customer satisfaction, and environmental responsibility. Our extensive range of products, tailored solutions, competitive pricing, fast lead times, and exceptional customer support make us the preferred partner for businesses worldwide. By choosing Guanxin as your forged olet supplier, you can be confident that you are working with a company dedicated to your success.
Our forging product types
Item | Type | Section size/mm | Length/Height mm | Weight/ton |
1 | Circle/step axis class | Ø100-Ø1500 | ≤15000 | ≤15 |
2 | Flange type | ≤Ø3500 | ≤650 | ≤6 |
3 | Ring class | Ø200-Ø2000 | ≤3500 | ≤12 |
4 | Pie type class | Ø200-Ø2400 | ≤700 | ≤12 |
5 | Valve box/valve body type | Ø250-1200 | ≤2000 | ≤12 |
6 | Single/double, long/short | Ø200-Ø2000 | ≤10000 | ≤12 |
Shaft flange type | ||||
7 | Cross axis class | ≤Ø2000 | ≤500 | ≤10 |
8 | Square class | 100-1500 | ≤10000 | ≤12 |
Export Country For Forged Olets
MIDDLE EAST | AFRICA | NORTH AMERICA | EUROPE | ASIA | SOUTH AMERICA |
Saudi Arabia | Nigeria | Usa | Russia | India | Argentina |
Iran | Algeria | Canada | Norway | Singapore | Bolivia |
Iraq | Angola | Mexico | Germany | Malaysia | Brazil |
Uae | South Africa | Panama | France | Indonesia | Chile |
Qatar | Libya | Costa Rica | Italy | Thailand | Venezuela |
Bahrain | Egypt | Puerto Rica | Uk | Vietnam | Colombia |
Oman | Sudan | Trinidad And Tobago | Spain | South Korea | Ecuador |
Kuwait | Equatorial Guinea | Jamaica | Ukraine | Japan | Guyana |
Turkey | The Republic Of Congo | Bahamas | Netherland | Sri Lanka | Paraguay |
Yemen | Gabon | Denmark | Belgium | Maldives | Uruguay |
Syria | Greece | Bangladesh | |||
Jordan | Czech Republic | Mayanmar | |||
Cyprus | Portugal | Taiwan | |||
Hungary | Cambodia | ||||
Albania | |||||
Austria | |||||
Switzerland | |||||
Slovakia | |||||
Finland | |||||
Ireland | |||||
Croatia | |||||
Slovenia | |||||
Malta |
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