About: Seamless carbon steel pipe

seamless carbon steel pipe is used in industrial applications involving high heat, including process piping, boiling plants, compression stations and refineries. 

Available Specification

API SPEC 5CTProduct nameExecutive standardDimension (mm)Steel code/ Steel gradeCastingAPI 5CT114~219 x 5.2~22.2J55, K55, N80, L80, P110TubingAPI 5CT48.3~114.3 x 3.2~16J55, K55, N80, L80, H40

API SPEC 5L  Product nameExecutive standardDimension (mm)Steel code/ Steel gradeCastingAPI 5L10.3~1200 x1.0~120A, B, X42, X46, X52, X60, X70, X80, PSL1 / PSL2

ASTM / ASME Product nameExecutive standardDimension (mm)Steel code/ Steel gradeBlack and Hot-dipped Zinc-coated Steel Pipes SeamlessASTM A530.3~1200 x 1.0~150GR.A, GR.B, GR.CSeamless Carbon Steel for High Temperature ServiceASTM A10610.3~1200 x 1.0~150GR.B, GR.CSeamless Cold-drawn Low-Carbon Steel Heat-Exchanger and Condenser TubesASTM A17910.3~426 x 1.0~36Low Carbon SteelSeamless Carbon Steel Boiler Tubes for High PressureASTM A19210.3~426 x 1.0~36Low Carbon SteelSeamless Cold-drawn Intermediate Alloy Steel Heat-exchanger and Condenser TubesASTM A19910.3~426 x 1.0~36T5, T22Seamless Medium-carbon Steel Boiler and Superheater TubesASTM A21010.3~426 x 1.0~36A1, CSeamless Ferritic and Austenitic Alloy Steel Boiler, Superheater and Heat-exchanger TubesASTM A21310.3~426 x 1.0~36T5, T9, T11, T12, T22, T91Seamless Carbon and Alloy Steel for Mechanical TubingASTM A3331/4″~42″ x SCH20~XXSGr1, Gr3, Gr6Seamless and Welded Carbon Steel Pipes and Alloy Steel Pipes for Low Temperature UseASTM A3341/4″~4″ x SCH20~SCH80Gr1, Gr6Seamless Cold-drawn Carbon Steel Feedwater Heater TubesASTM A55610.3~426 x 1.0~36A2, B2

GS

Product Name

Executive Standard

Dimension (mm)

Steel Code / Steel Grade

eamless Steel Tubes for Elevated Temperature

DIN 17175

10~762 x 1.0~120

St35.8,St45.8, 10CrMo910, 15Mo3, 13CrMo44, STPL340, STB410, STB510, WB36

Seamless Steel Tubes

DIN 1629 / DIN 2391

13.5~762 x 1.8~120

St37.0, St44.0, St52.0, St52.3

Seamless Steel Tubes

DIN 2440

13.5~165.1 x 1.8~4.85

St33.2

Seamless Steel Pipes for Structural Purpose

DIN 2393

16~426 x 1.0~36

RSt34-2, RSt37-2,  RSt44-2,St52

GS/ DINProduct nameExecutive standardDimension (mm)Steel code/ Steel gradeSeamless Steel Tubes for Elevated TemperatureDIN 1717510~762 x 1.0~120St35.8,St45.8, 10CrMo910, 15Mo3, 13CrMo44, STPL340, STB410, STB510, WB36Seamless Steel TubesDIN 162913.5~762 x 1.8~120St37.0, St44.0, St52.0Seamless Precision Steel TubeDIN 23914.0~60.0 x 0.5~8St35, St45, St52Seamless Steel TubesDIN 244013.5~165.1 x 1.8~4.85St33.2