... various sizes,strict tolerance,high quality etc.,stainless steel square bar 1.material grade:AISI 201,Y201Cu,202 AISI ... polished by automatically machine--cutting into pieces--checking quality--package4.surface:black,pickling,polish,drawn bench,milling, etc .,5.common ... ,diameter from 1mm*1mm-200mm*200mm6. application:stainless steel square bar is widely used in chemical, shipping,architecture,machine ...