磷青铜:C51000 C51100 C51900 C52100 C52400 C53400 C54400 C50100 C50200 C50500 C50510 C50580 C50590 C50700 C50705 C50710 C50780 C50900 C51000 C51050 C51100 C51180 C51190 C51800 C51900 C51980 C52100 C52180 C52400 C52480 C53400 C54400 ……
青铜:QSn1.5-0.2 c50500 CuSn2 BPO2-0.25 C61300,C61400,C62300,C63200,C70600,C71500