Seamless Stainless Steel Boiler Tube 4 Inch Schedule 40 Custom ASTM A269 / A249

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Seamless Stainless Steel Boiler Tube 4 Inch Schedule 40 Custom ASTM A269 / A249


Quick Detail:



Welded Stainless Steel Boiler Tube

Manufacturing Process:

Cold drawn, Pickled, Annealed


ASTM A312/ A213/A269/A249

Material Grade:

Austenitic: TP316/316L/316Ti,TP310S/310H, TP321, TP321H, TP304/304L ETC

EN Standard: 1.4845,1.4539,1.4162

Outside Diameter.

Φ6.00mm-Φ114.3 mm; 1” NB to 4” NB


1mm-8mm; SCH5/10/40/80




American standards:

ASTM A 213/A 213M ASME SA213/SA213M Specification for Seamless Ferric and Austenitic Alloy-Steel Boiler, Super heater, and Heat-Exchanger Tubes

ASTM A 249/A 249M Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser tubes

ASTM A268/A268M, ASME SA268/SA268M Specification Seamless and welded ferritic and martensitic stainless steel tubing for general service

ASTM A269/A269M, ASME SA269/SA269M Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service

ASTM A312/A312M, ASME SA312/SA312M Specification for Seamless and Welded Austenitic Stainless Steel Pipes

ASTM A 358/A 358M Specification for Electric-Fusion-Welded Austenitic Chromium-Nickel Alloy Steel Pipe for High-Temperature Service

ASTM A376/A376M, ASME SA376/SA376M Seamless austenitic steel pipes for high-temperature central-station service

ASTM A409/SA409 Welded Large Diameter Austenitic Steel Pipe for Corrosive or High Temperature Service

ASTM A 530/ A 530M Specification for General Requirements for Specialized Carbon and Alloy Steel Pipe

ASTM A 554 Specification for Welded Stainless Steel Mechanical Tubing

ASTM A731 / A731M Seamless and Welded Ferritic and Martensitic Stainless Steel Pipe

ASTM A 778 Specification for Welded, Unannealed Austenitic Stainless Steel Tubular Products

ASTM A790/A790M, ASME SA790/SA790M Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe


EN Standards

EN 10216-5 Welded Stainless Steel Tube

EN 10216-7 Seamless Stainless Steel Tube


Size Detail:


 Outside Diameter

Wall Thickness

Stainless Steel Seamless Welded   Boiler pipe

6.00mm to 114.3 mm

1 mm to 8mm



The products are applied to trades such as papermaking, chemical industry, shipbuilding, petroleum, electricity, food, pharmacy, natural gas, metallurgry, architecture, sewage disposal, environmental protection, aerospace,heat exchanger, etc. Extensively.



Material Grade Specification:

American Standard

Austenitic Steel:




TP317(0Cr19Ni13Mo3), TP347(0Cr18Ni11Nb), TP347H(1Cr19Ni11Nb), TP321(0Cr18Ni10Ti),

Duplex Steel :

S32101,S32205,S31803,S32304,S32750, S32760

Others:TP405,TP409, TP410, TP430, TP439,...

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Ms. Cathy Fang
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Room 1401 ,Building No.4,WanXinJinYuan, Wenzhou, Zhejiang, China (Mainland)
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