供应QSn4-0.3,铜QSn4-0.3,磷青铜QSn4-0.3,铜合金QSn4-0.3,锡磷青铜QSn4-0.3,QSn4-0.3锡青铜,QSn4-0.3铜板,QSn4-0.3铜棒,QSn4-0.3铜带,QSn4-0.3铜线,QSn4-0.3磷青铜,锡青铜QSn4-0.3,QSn4-0.3铜合金,QSn4-0.3磷青铜板,QSn4-0.3磷青铜棒,锡青铜棒QSn4-0.3,锡青铜棒QSn4-0.3,磷铜QSn4-0.3,***诚信的供应商,厂家***,QSn4-0.3价格优廉,欢迎订购!牌号化学成分(重量百分比)Chemicaicomposition(WT%)锡(Sn)锌(Zn)铝(Al)硅(Si)磷(P)铁(Fe)铜(Cu)铅(Pb)锑(Sb)铋(Bi)杂质总和％QSn4-0.33.5～4.5/≤0.002≤0.0020.20～0.40≤0.02余量≤0.02≤0.002≤0.002≤0.1)