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Seamless pipes Specifications and Execution Standard

We can makes and markets cold-drawn and hot rolled seamless steel pipes and cold-drawn special-section seamless pipes which are widely applied in the industries of petrochemical, boiler, automobile, mechanical, construction.

ASTM A213 Alloy Tubes

ASTM A213 Alloy Tubes

Seamless Ferritic and Austentic Alloy Steel Boiler, Superheater and Heat-Exchanger Tubes
ASTM A335 Chrome Moly Pipe

ASTM A335 Chrome Moly Pipe

ASTM A335 Pipe (ASME S/A335, Chorme-Moly) is a seamless ferritic Alloy-Steel Pipe for high temperature service.
ASTM A333 Alloy pipes

ASTM A333 Alloy pipes

ASTM A333 is the Standard Specification for Seamless and Welded Steel Pipe for Low-Temperature Service.
We can makes and markets cold-drawn and hot rolled seamless steel pipes and cold-drawn special-section seamless pipes which are widely applied in the industries of petrochemical, boiler, automobile, mechanical, construction.
API SPEC 5CT
Specification for Casing and Tubing, Eighth Edition, Petroleum and natural gas industries-Steel pipes for use as casing or tubing for wells.
Product name Executive standard Dimension (mm) Steel code/ Steel grade
Casting API 5CT 114~219 x 5.2~22.2 J55, K55, N80, L80, P110
Tubing API 5CT 48.3~114.3 x 3.2~16 J55, K55, N80, L80, H40
API SPEC 5L
This Standard specifies requirements for the manufacture of two product specification levels (PSL 1 and PSL 2) of seamless and welded steel pipes for use in pipeline transportation systems in the petroleum and natural gas industries.
Product name Executive standard Dimension (mm) Steel code/ Steel grade
Casting API 5L 10.3~1200 x1.0~120 A, B, X42, X46, X52, X60, X70, X80, PSL1 / PSL2
ASTM / ASME
American Society for Testing and Materials(ASTM), American Society of Mechanical Engineers (ASME)
Product name Executive standard Dimension (mm) Steel code/ Steel grade
Black and Hot-dipped Zinc-coated Steel Pipes Seamless ASTM A53 0.3~1200 x 1.0~150 GR.A, GR.B, GR.C
Seamless Carbon Steel for High Temperature Service ASTM A106 10.3~1200 x 1.0~150 GR.B, GR.C
Seamless Cold-drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes ASTM A179 10.3~426 x 1.0~36 Low Carbon Steel
Seamless Carbon Steel Boiler Tubes for High Pressure ASTM A192 10.3~426 x 1.0~36 Low Carbon Steel
Seamless Cold-drawn Intermediate Alloy Steel Heat-exchanger and Condenser Tubes ASTM A199 10.3~426 x 1.0~36 T5, T22
Seamless Medium-carbon Steel Boiler and Superheater Tubes ASTM A210 10.3~426 x 1.0~36 A1, C
Seamless Ferritic and Austenitic Alloy Steel Boiler, Superheater and Heat-exchanger Tubes ASTM A213 10.3~426 x 1.0~36 T5, T9, T11, T12, T22, T91
Seamless Carbon and Alloy Steel for Mechanical Tubing ASTM A333 1/4"~42" x SCH20~XXS Gr1, Gr3, Gr6
Seamless and Welded Carbon Steel Pipes and Alloy Steel Pipes for Low Temperature Use ASTM A334 1/4"~4" x SCH20~SCH80 Gr1, Gr6
Seamless Cold-drawn Carbon Steel Feedwater Heater Tubes ASTM A556 10.3~426 x 1.0~36 A2, B2
GS/ DIN
Germany Safety(GS), Deutsches Institut für Normung(DIN)
Product name Executive standard Dimension (mm) Steel code/ Steel grade
Seamless 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 13.5~762 x 1.8~120 St37.0, St44.0, St52.0
Seamless Precision Steel Tube DIN 2391 4.0~60.0 x 0.5~8 St35, St45, St52
Seamless Steel Tubes DIN 2440 13.5~165.1 x 1.8~4.85 St33.2

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