Seamless Steel Pipe

Quality Standard:
ASTM A 53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless
GB/T 8163: Seamless steel tubes for liquid service
GB 3087: Seamless Steel Tubes for Low and Medium Pressure
GB 5310: Seamless steel tubes and pipes for high pressure boiler
ASTM A106: Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service
ASTM A179: Standard Specification for Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes
ASTM A192: Standard Specification for Seamless Carbon Steel Boiler Tubes for High-Pressure Service
ASTM A333: Standard Specification for Seamless and Welded Steel Pipe for Low-Temperature Service
ASTM A335: Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
JIS G3452: Carbon Steel Pipes for Ordinary Piping
JIS G3454: Carbon Steel Pipes for Pressure Service
BS 3059: STEEL BOILER AND SUPERHEATER TUBES
DIN 1629: SEAMLESS CIRCULAR TUBES OF NON ALLOY STEELS WITH SPECIAL QUALITY REQUIREMENTS
DIN 17175: SEAMLESS STEEL TUBES FOR ELEVATED TEMPERATURES
API 5L: Line Pipe

Steel Grade:
GB/T 8163: 10#, 20#, 35#, 45#, 16MN(Q345B)
GB 3087: 10#, 20#, 35#, 45#, 16MN(Q345B)
GB 5310: 20G, 12Cr1MoV, 12Cr1MoVG, 12CrMoG
ASTM A106: Gr A, Gr B, Gr C
ASTM A333: Gr 1, Gr 3, Gr 6, Gr 8
ASTM A335: P1, P2, P5, P9, P11, P12, P22
JIS G3452: SGP
JIS G3455: STS 370, STS 410, STS 480
BS3059: HFS320, CFS320
DIN 1629: St 37.0, St 44.0, St 52.0
DIN 17175: St35.8, St45.8, 17Mn4, 19Mn5, 15Mo3, 13CrMo910, 10CrMo910, 14MoV63, X20CrMoV121
API 5L: A B X42,X46, X52, X60, X65, X70, X80 Size:
OuterDiameter: Hot finish: 2" - 30", Cold drawn: 0.875" - 18"
Wall Thickness: Hot finish: 0.250" - 4.00", Cold drawn: 0.035" - 0.875"
Length: RandomLength, Fixed Length, SRL,DRL
Heat treatment: Annealed, Normalized
Surface: Zinc coating, black phosphated, oiled