Brass Grades used for General Brass Copper Parts : EN 12164 BS 2874,BS 2874 - CZ 121 Pb3 CZ 122 UNS C36000 CDA 360,DZR Brass BS 2874 - CZ 131 CW 614 N, CZ 114 BS 2874 - CZ 115 c377, c380, cz122, en 12165 – cw617n, cw612n, cuzn40pb2.