... ,polished,various sizes,strict tolerance,high quality etc., stainless steel square bar 1.material grade:AISI 201,Y201Cu,202 AISI 303, 304 ... ,317,321 AISI 410,420,430,430F,431,4162.standard: ASTM A 276,A 484,A564,A581,A582, EN10272,JIS4303,JIS ... stocks,diameter from 1mm*1mm-200mm*200mm6. application:stainless steel square bar is widely used in chemical, shipping,architecture,machine-made, household ...