Carbon Steel Seamless Pipe

Short Description:

Carbon steel is an alloy with carbon and iron, with carbon content up to 2.1% by weight. The increase in the carbon percentage will raise steel’s hardness and strength, but it will be less ductile. Carbon steel has good properties in hardness and strength, and it is less expensive than other steels.

Seamless steel pipe, as the name suggests, is a pipe without a seam or a weld-joint. Seamless steel pipe is a tubular section or hollow cylinder, usually but not necessarily of circular cross-section, used mainly to convey substances which can flow — liquids and gases (fluids), slurries, powders and masses of small solids.

Product Detail

Product Tags


Chilled water pipe Steam/condensate pipe Heat exchanger pipe Marine/offshore pipe Dredging pipe Industrial pipe
Oil and gas pipe Fire fighting pipe Construction/structure pipe Irrigation pipe Drain/sewage pipe Boiler tube

Product Specification and Size

Product Name Executive Standard Dimension (mm) Steel Code / Steel Grade
 Black and Hot-Dipped Zinc-Coated Seamless Steel Pipes ASTM A53 Ø10.3~1200 x WT1.0~150 Gr.A, Gr.B, Gr.C
Seamless Carbon Steel Pipes for High Temperature Service ASTM A106 Ø10.3~1200 x WT1.0~150 Gr.B, Gr.C
Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes ASTM A179 Ø10.3~426 x WT1.0~36 Low Carbon Steel
Seamless Carbon Steel Boiler Tubes for High Pressure ASTM A192 Ø10.3~426 x WT1.0~36 Low Carbon Steel
Seamless Cold-Drawn Intermediate Alloy Steel Heat-Exchanger and Condenser Tubes ASTM A199 Ø10.3~426 x 1.0~36 T5, T22
Seamless Medium-Carbon Steel Boiler and Superheater Tubes ASTM A210 Ø10.3~426 x WT1.0~36 A1, C
Seamless Ferritic and Austenitic Alloy Steel Boiler, Superheater and Heat-Exchanger Tubes ASTM A213 Ø10.3~426 x WT1.0~36 T5, T9, T11, T12, T22, T91
Seamless Carbon and Alloy Steel for Mechanical Tubing ASTM A333 Ø1/4"~42" x WT SCH20~XXS Gr.1, Gr.3, Gr.6
Seamless and Welded Carbon Steel Pipes and Alloy Steel Pipes for Low Temperature Use ASTM A334 Ø1/4"~4" x WT SCH20~SCH80 Gr.1, Gr.6
Seamless Cold-Drawn Carbon Steel Feedwater Heater Tubes ASTM A556 Ø10.3~426 x WT1.0~36 A2, B2


Product Name Executive Standard Dimension (mm) Steel Code / Steel Grade
Seamless Steel Tubes for Elevated Temperature DIN 17175 Ø10~762 x WT1.0~120 St35.8, St45.8, 10CrMo910, 15Mo3, 13CrMo44, STPL340, STB410, STB510, WB36
Seamless Steel Tubes DIN 1629 / DIN 2391 Ø13.5~762 x WT1.8~120 St37.0, St44.0, St52.0, St52.3
Seamless Steel Tubes DIN 2440 Ø13.5~165.1 x WT1.8~4.85 St33.2
Seamless Steel Pipes for Structural Purpose DIN 2393 Ø16~426 x WT1.0~36 RSt34-2, RSt37-2, RSt44-2, St52


Product Name Executive Standard Dimension (mm) Steel Code / Steel Grade
Seamless Steel Tubes for Machine Structure BS 970 Ø10~762 x WT1.0~120 Carbon Steel
Seamless Steel Tubes for Boiler and Heat Exchangers BS 3059 Ø10~762 x WT1.0~120 360, 410, 440, 460, 490


Carbon steel seamless pipes are extensively applied in the nuclear device, gas conveyance, petrochemical, shipbuilding and boiler industries, with characteristics of high corrosion resistance combined with suitable mechanical properties.
- Nuclear device
- Gas conveyance
- Petrochemical industries
- Shipbuilding and boiler industries

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