供應(yīng)QSn4-3,錫青銅QSn4-3,QSn4-3銅棒,銅合金QSn4-3,QSn4-3銅合金,QSn4-3錫青銅,QSn4-0.3,QSn4-3錫青銅板,錫青銅QSn4-3板料,錫青銅QSn4-3棒料,QSn4 3,錫青銅QSn4-3帶料,錫青銅QSn4-3線料,青銅QSn4-3,QSn4 0.3,QSn4-3銅板,QSn4-3銅管,杯士銅QSn4-3,QSn4-3磷青銅線,QSn4-3錫青銅絲,QSn4-3錫青銅棒,***誠信的供應(yīng)商,廠家***,QSn4-3價格優(yōu)廉,歡迎訂購!
牌號 |
化學(xué)成分(重量百分比) Chemicai composition(WT%) |
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錫 (Sn) |
鋅 (Zn) |
鋁 (Al) |
硅 (Si) |
磷 (P) |
鐵 (Fe) |
銅 (Cu) |
鉛 (Pb) |
銻 (Sb) |
鉍 (Bi) |
雜質(zhì)總和% | |
QSn4-3 | 3.5~4.5 | 2.7~3.3 | ≤0.002 | ≤0.002 | ≤0.03 | ≤0.05 | 余量 | ≤0.02 | ≤0.002 | ≤0.002 | ≤0.2 |