●化学成份:
镍+钴 Ni+Co:39.0~41.0
铅 Pb:≤0.005
磷 P:≤0.005
锰 Mn:1.0~2.0
硅 Si :≤0.10
锑 Sb :≤0.002
硫 S :≤0.02
砷 As :≤0.010
碳 C:≤0.10
铋 Bi:≤0.002
镁 Mg:≤0.05
注:≤0.9(杂质)