... Carbon Steel Welded Pipe 1.OD:20mm-914.4mm 2.standard:GB,ASTM,DIN,JIS,ASTN ect 3.Thickness:1mm-20mm Pipe Type:ERW Carbon Steel ... ,API ,ANSI ,GB, SH,HG, MSS,JIS,DINMaterials:Carbon Steel, Alloy Steel, Stainless SteelPacking:Wrap with PVC film per piece, around 500kg ... we welcome every customer and support you with our consistent quality and moderate price, hope we establish long cooperation relation. ...