size:

1.OD: Hot finish: 2" - 30", Cold drawn: 0.875" - 18"
2.WT: Hot finish: 0.250" - 4.00", Cold drawn: 0.035" - 0.875"
3.length:5.8-12m or random length

4.heat treadment: Annealed, Normalized
5.surface: Zinc coating, black phosphated, oiled
6.packing:in bulk,packed by steel strips into bundles,according to the client's requirement

standard:

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 ServiceJIS 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