产品参数：

牌号代号主要成分杂质成分％杂质总和％对应
中国牌号CuPbZnFeAlNiSnCuZn39Pb2CW612N58.5-601.5-2.5
≤0.4--≤0.3≤0.2≤0.2HPb60-2CuZn39Pb3CW614N57-592.5-3.5
≤0.5≤0.1≤0.5≤0.4≤0.2HPb59-3CuZn40Pb2CW617N57-591.5-2.5
≤0.4≤0.1≤0.4≤0.3≤0.2HPb59-1