Super seamlesssteel stainless pipes 1.Max.diameter: 300mm 2.WD:Sch5-Sch80(1.2mm-60mm 3.ASTM A106,ASME B36.API5L Super seamlesssteel stainless pipes factory viewSteel pipe manufacturing process1. stepRaw material2.step3.stepend producttechnical detection Type:Seamless stell pipeSize:1/8"-40"Wall thicknessSch5-XXSStandardASTM A106,ASME B36.10M-1996 ,API 5L,ANSI ,GB,JIS,DINMaterial:20#,Q235,GR.B,X42 ...