... ,430F 3) ISO9001. stainless steel square bar,hot rolled ,polished,various sizes,strict tolerance,high quality etc.,stainless steel square bar 1.material grade:AISI 201,Y201Cu ... from 1mm*1mm-200mm*200mm6. application:stainless steel square bar is widely used in chemical, shipping,architecture,machine-made, household products industry ,etc.,7.samples ...