Standard
ASTM A53: Standrad Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless
API 5L psl1/psl2: Line Pipe
ASTM A106: Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service
GB/T 8162: Standard Speicification for Seamless of Structure
JIS G3452: Carbon Steel Pipes for Ordinary Piping
JIS G3454: Carbon Steel Pipes for Pressure Service
DIN 1629: seamless circular tubes of non alloy steels with special quality requirements
DIN 17175: SEAMLESS STEEL TUBES FOR ELEVATED TEMPERATURES
GB 3087: Seamless Steel Tubes for Low and Medium Pressure 
GB 5310: Seamless steel tubes and pipes for high pressure boiler
 
Material
API 5L: A B X42,X46, X52, X60, X65, X70, X80
ASTM A53: Gr A, Gr B, Gr C
GB/T 8162: 10#, 20#, 35#, 45#, 16MN(Q345B)
GB 3087: 10#, 20#, 35#, 45#, 16MN(Q345B)
GB 5310: 20G, 12Cr1MoV, 12Cr1MoVG, 12CrMoG
JIS G3452: SGP
JIS G3455: STS 370, STS 410, STS 480
DIN 1629: St 37.0, St 44.0, St 52.0
DIN 17175: St35.8, St45.8, 17Mn4, 19Mn5, 15Mo3, 13CrMo910, 10CrMo910, 14MoV63, X20CrMoV121

Size
OD: Hot rolled: 2" - 30", Cold drawn: 0.875" - 18"
WT: Hot rolled: 0.250" - 4.00", Cold drawn: 0.035" - 0.875"

Length: SRL,DRL, Custom Length

Ends:  Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends

Surface: Bare, Lightly Oiled, Black/Red/Yellow Painting, Zinc/Anticorrosive Coating

Application

Structural Engineering

Construction Industry

Mechanism Industry