321 hot rolled stainless steel flat bar 1.High quality and competitive price 2.beautiful surface&strict tolerance 321 stainless steel hot rolled flat bar 1)Standard: AISI,ASTM,SUS, ... DIN,EN,GB 2)Grade:201,202,301,302,303,303Cu,304,304L,309,310S,321 ... ,410,430and so on 3)surface: Hot Rolled And Pickled And Sand ...