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
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
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