Carbon Steel Welded Pipe / Tube

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4) Pipes & Tubes for Oil Service

3) Pipes & Tubes for Chemical

2) Pipes & Tubes for Electricity

1) Pipes & Tubes for Boiler

2.Product Application

JIS G 3446  Stainless Steel Pipes for Machine and Structural Purposes

JIS G 3467  Steel Tubes for Fired Heater Steel Tubes for Fired Heater

JIS G 3463  Stainless Steel Boiler and Heat Exchanger Tubes

JIS G 3468  Large Diameter Welded Stainless Steel Pipes

JIS G 3459  Stainless Steel Pipes

JIS G 3348  Light Gauge Stainless Steel Tubes for Ordinary Piping

JIS G 3447  Stainless Steel Sanitary Pipes

ASTM A 999/A 999M(Specification for General Requirements for alloy and Stainles Steel Pipe)

ASTM A 790/A 790M (Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe)

ASTM A 789A/789M (Specification for SEamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service)

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

ASTM A 554 (Specification for General Requirements for Specialized Carbon and Alloy Steel Pipe)

ASTM A 511 (Specification for Seamless Stainless Steel Mechanical Tubing)

ASTM A 450/A 450M (Specificaion for General Requirements for Carbon, Ferritic Alloy, and Austenitic Alloy Steel Tubes)

ASTM A 312/312M (Specification for Seamless and Welded Austenitic Stainless Steel Pipes)

ASTM A 270 (Specification for Seamless and Welded Austenitic and Ferritic/Austenitic Stainless Steel Sanitary Tubing)

ASTM A 269 (Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service)

ASTM A 249A/A249M (Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser tubes)

ASTM A 335 (Seamless Ferritic Alloy Steel Pipe for High Temperature Service) P1 / P2 / P5 / P5b / P5c / P7 / P9 / P11 / P12 / P15 / P21 / P22 / P91

ASTM A 334 (Seamless and Welded Carbon and Alloy Steel Tubes for Low Temperature Service) Gr 1 / Gr 3 / Gr 6 / Gr 7 / Gr 8 / Gr 9

ASTM A 250 (Electric Resistance Welded Carbon Molybdenum Alloy Steel Boiler and Superheater Tubes) T1 / T1a / T1b / T2 / T11 / T12 / T22

ASTM A 213 (Seamless Ferritic and Austenitic Alloy Steel Boiler Superheater and Heat Exchanger Tubes) T2 / T5 / T5b / T5c / T7 / T9 / T11 / T12 / T17 / T21 / T22 / T91 / XM-15 / S30815 / S31050 / S21500 / S31725 / S71726 / S32615

ASTM A 209 (Seamless Carbon Molybdenum Alloy Steel Boiler and Superheater Tubes) T1 / T1a / T1b

ASTM A 200 (Seamless Intermediate Alloy Steel Still Tubes for Fefinery Service) T4 / T5 / T7 / T9 / T11 / T21 / T22 / T91

ASTM A 199 (Seamless Cold Drawn Intermediate Alloy Steel Hera Exchanger and Condenser Tubes) T4 / T5 / T7 / T9 / T11 / T21 / T22 / T91 

1.International Standard

Carbon Steel Welded Pipe / Tube