ALLOY CU% Zn% Ni% Sn% P% Si% Mn% Total Impurities 95/5 Brass 94 - 96 Bal - - - - - 0.01 - 0.4 90/10 Brass 89 - 91 Bal - - - - - 0.40 (Max.) 85/15 Brass 84 - 86 Bal - - - - - 0.40 (Max.) 80/20 Brass 79 - 81 Bal - - - - - 0.40 (Max.) 70/20 Brass 68 - 72 Bal - - - - - 0.30 (Max.) 65/35 Brass 64 - 67 Bal - - - - - 0.40 (Max.) 63/37 Brass 62 - 64 Bal - - - - - 0.60 (Max.) 60/40 Brass 59 - 61 Bal - - - - - 0.40 (Max.)