... procedure, various sizes,etc., 1.material grade: 200 series-201,202,200Cu,201Cu 300 series-301,302,303,303Cu,304,304L,304Cu,316 ... ,316L,310,310S,309 400 series-410,416,420,430 stainless steel round bar2.standard:ASTM ... A 276,A484,A564,A581,A582,EN10272,JIS4303,JIS G 4311,JIS G4318.3. production procedure: raw elements(C,Fe ...