Standardï¼?AISI/ASTM/SUS/GB/DIN/EN/BS Material Gradeï¼?201,201Cu,202,303,303Cu,304,304L,316,316L,310s,347,410,420,430,422,330,630,660,904L,2205,2209,X39CrMo17-1,904L,etc Diameter Range:3-600mm / 1/8'' to 23'' according to your requirement Length:6m or as customers' request Tolerance:H9, H11, H13, K9, K11, K13 etc, as per clientsâ?? request etc Surface:Bright, peeled, polished,pickled,Black Test:Squash test, Extended test, Water pressure test, Crystal rot test, Heat treatment, NDT