... pipe in China 1.Max.diameter: 300mm 2.WD:Sch5-Sch80(1.2mm-60mm 3.ASTM A106,ASME B36.API ... 5L good quality stainless steel pipe in China factory viewSteel pipe manufacturing process1 ... API 5L,ANSI ,GB,JIS,DINMaterial:20#,Q235,GR.B,X42,X56,P11,ST37,ST45.8,ST52,S235JR,STP40Packaging:painting black, pipe ... .1. Spiral pipe2. Steel pipe3. Pipe making machinery4. Stainless steel pipes fitting5. ...