Hot Rolled Steel pipe, Hot Rolling Carbon,Hot Alloy Steel Pipes & Tubes 1.O. D:57-219mm,W. T: 3-40mm 2.GB, ASTM, DIN,JIS,ect Hot rolled steel pipe1 direct producer2 21.3-457*2.77-45mm*5-12M3 API 5CT-0863 API 5L-0593 ISO4 Sell to Middle East, Asia Nominal diameterOuter diameter (mm)SCH40 (6m in sizing)SCH80 (6m in sizing )SCH160 (6m in sizing )Wall thickness (mm)Weight/piece (kg)Wall thickness (mm ...