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 ... ,310S,309 400 series-410,416,420,4302.standard:ASTM A 276,A484,A564,A581,A582,EN10272,JIS4303,JIS G 4311 ... have large stocks,diameter from 1mm-500mm6.application:the SS round bar is widely used in chemical, shipping,architecture,machine-made ,household ...