Bronze is an alloy whose chief elements are copper, tin and lead.
青铜是一种合金，主要构成元素有铜、锡、铅。
2
Tin welding parts and lead-tin alloy die casting, zinc, beryllium bronze, phosphorus copper alloy in electroplating copper with commonly used before also gets to improve adhesion.
锡焊件、铅锡合金、锌压铸件、铍青铜、磷铜等合金在电镀前也常用预镀铜来改善结合力。
3
Main materials: copper, aluminum, iron, stainless steel, tin plate, zinc alloy, tin lead alloy etc.