... 3) ISO9001. stainless steel square bar,hot rolled ,polished,various sizes,strict tolerance,high quality etc.,stainless steel square bar 1.material ... --polished by automatically machine--cutting into pieces--checking quality--package4.surface:black,pickling,polish,drawn bench,milling ... stocks,diameter from 1mm*1mm-200mm*200mm6. application:stainless steel square bar is widely used in chemical, shipping, ...