stainless steel bar including hot working bar and cold working bar stainless steel round bar 1.material grade: 200 series-201,202,200Cu,201Cu 300 series-301,302,303,303Cu,304 ... ,304L,304Cu,316,316L,310,310S,309 400 series-410,416,420,4302.standard:ASTM A 276,A484, ... 5.common sizes we have large stocks,diameter from 1mm-500mm6.application:the SS round bar is widely used in chemical, shipping, ...