锡黄铜HSn70-1 H68A HSn90-1环保铜合金板材
HMn57-3-1 HMn5..
HPb59-1 黄铜H85..
磷脱氧铜TP1 TP2 银..
红铜T1 T2 T3 无氧铜..
铅黄铜HPb89-2 HPb..
锡黄铜HSn70-1 H68..