材料名稱:硅青銅擠制棒(40~120mm)牌號:QSi3.5-3-1.5標(biāo)準(zhǔn):GB/T 13808-1992●QSi3.5-3-1.5化學(xué)成份:銅 Cu :余量錫 Sn :≤0.25鋅 Zn:2.5~3.5鉛 Pb:≤0.03磷 P:≤0.03鎳 Ni:≤0.2鐵 Fe:1.2~1.8錳 Mn:0.5~0.9硅 Si :3.0~4.0銻 Sb :≤0.002砷 As :≤0.002注:≤1.1(雜質(zhì))●QSi3.5-3-1.5力學(xué)性能:注 :棒材的縱向室溫拉伸力學(xué)性能試樣尺寸:直徑40~120