good quality stainless steel pipe in China 1.Max.diameter: 300mm 2. ... (1.2mm-60mm 3.ASTM A106,ASME B36.API 5L good quality stainless steel pipe in China factory viewSteel pipe manufacturing process1 ... .10M-1996 ,API 5L,ANSI ,GB,JIS,DINMaterial:20#,Q235,GR.B,X42,X56,P11,ST37,ST45.8,ST52,S235JR,STP40Packaging ...