2025-10-10
黄铜板紫铜板磷铜板白铜板铍铜板锡青铜板铝青铜板耐磨铜板铝青铜化学成分(质量分数)(%)Sn(锡)Al(铝)Zn(锌)Mn(锰)Fe(铁)Pb(铅)Si(硅)P(磷)Cu(铜)杂质总和C61900~0.108.0~10.01.01.5~2.50.50.030.100.01余量1.70C61400C61610.108.0~10.01.00.502.0~4.00.010.100.01余量1.70C62300C61910.108.5~10.00.51.0~2.02.0~4.00.030.100..