C1220磷脱氧铜管 C1220磷脱氧铜板 C1220磷脱氧铜带 C1220磷脱氧铜线 C1220铜板 C1220铜棒 C1220铜管 C1220铜带 C1220铜线 C1220铜锭
C1220化学成分如下(%):
铜+银Cu+Ag:≥99.85
锡Sn:≤0.01
铅Pb:≤0.005
磷P:0.013~0.050
镍Ni:≤0.01
铁Fe:≤0.05
锑Sb:≤0.002
硫S:≤0.005
砷As:≤0.005
铋Bi:≤0.002
氧O:≤0.01
注:≤0.15(杂质)