Stainless Steel Welded Tube
Austenitic / Duplex Steel / Nickel Alloy / Cobalt AlloyStainless steel welded pipe under the ASTM A269 and ASME SA269 standards, utilizing resistance welding (ERW) technology, has a wide range of applications in the oil and gas industry. These standards specify the characteristics, dimensions, pressure resistance, chemical composition, and other requirements for seamless and welded stainless steel tubing to ensure that the tubing meets stringent industrial applications.
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Stainless steel welded pipe under the ASTM A269 and ASME SA269 standards, utilizing resistance welding (ERW) technology, has a wide range of applications in the oil and gas industry. These standards specify the characteristics, dimensions, pressure resistance, chemical composition, and other requirements for seamless and welded stainless steel tubing to ensure that the tubing meets stringent industrial applications.
1 . OD ( Outer Diameter ) : 5.80mm to 2032mm ( 0.23 inch to 80 inch )
2 . WT ( Wall Thickness ) : 0.25mm to 28mm ( 0.01 inch to 1.125 inch )
3 . Length : According to customer's requirement
4 . Standards : ASTM A312; ASTM A269; ASTM A789; ASTM A790 etc
5 . Process Method : ERW, EFW etc
Chemical Composition :
| Material | ASTM A269 Chemical Composition % Max | ||||||||||
| C | Mn | P | S | Si | Cr | Ni | Mo | N B | Nb | Ti | |
| TP304 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-11.0 | ^ | ^ | ^. | ^ |
| TP304L | 0.035 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-12.0 | ^ | ^ | ^ | ^ |
| TP316 | 0.08 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 | ^ | ^ | ^ |
| TP316L | 0.035 D | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 10.0-15.0 | 2.00-3.00 | ^ | ^ | ^ |
| TP321 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | 9.0-12.0 | ^ | ^ | ^ | 5C -0.70 |
| TP347 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | 9.0-12.0 | 10C -1.10 | ^ | ||
Application Areas:
Stainless steel welded tubes under ASTM A269/ASME SA269 standards play an important role in the oil and gas industry:
Oil and gas pipelines: used to transport crude oil and natural gas over long distances, especially in corrosive environments such as undersea or in areas containing sulfurous gases.
Drilling equipment: used in the oil drilling and gathering process, for the manufacture of drill pipes, casing, structural components of drilling platforms, etc..
Refineries: In the oil refining process, used to manufacture key equipment such as heat exchangers, condensers, pipes and reactors.
Natural gas processing: in the process of natural gas purification, liquefaction and separation, used to build key components for high pressure and low temperature environments, such as separators, filters and piping for refrigeration systems.
Petrochemical installations: for the construction of equipment such as chemical reaction columns, distillation columns and converters that need to withstand high temperatures, high pressures and corrosive chemicals when processing petrochemical products.
Marine platforms: In the structural components and systems of marine oil and gas extraction platforms, the application of these stainless steel tubes is particularly important due to the direct exposure to seawater corrosion and the erosion of the marine environment.
Storage and Transportation Containers: Used in the manufacture of containers and tankers for the storage of crude oil, natural gas, and chemical products to ensure safe and reliable storage and transportation.
Manufacturing Experience
Plant Area
Max Diameter of Welded Pipe
Annealing Furnace Length
Nickel Alloy
NI-MO: N10001,N10665,N10675...
NI-CR-MO: N10276,N06022,N06035,N06455,N06002...
NI-CR-MO-CU: N06030,N06200,N08031,N08825,N08020...
NICR-MO-W: N06230...
NICKEL: N02200,N02201...
NI-CU: N04400,N05500...
NI-CR-FE: N06600,N06601,N06690,N08800,N08810,N08811...
NI-CR-MO-NB: N06625,N07718...
Austenitic
304/L/H/N, 316/L/H/N/Ti, 321/H, 309/H, 310S, 347/H, 317/L, 904L...
Duplex Steel
31803, 32205, 32750, 32760...
Cobalt Alloy
Alloy 188/ UNS R30188, Alloy L-605/ UNS R30605, Alloy S-816, Alloy 6B, UMCo50, FSX-414, MP-159...
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