... cold draw,pickled ,polished etc stainless steel square bar 1.Grade:ss201,202,301,302,303,304 ,304l,316, ... ,DIN,EN,SUS etc.5.Stianless steel square bar is widely applied for petroleum,chemical,mechanical and ... standard AISI , JIS , ER , GB , ASTM , etc. grade 201,201,301,302,303,304,304l,308,309,310 ... 310S,316,316L,321,410,420,etc. applicationwidely used in the areas as ss fasteners , chains , kitchen and ...