规格：2 50 40 数量：20
备注：指标 标准 实测值 指标 标准 实测值
Co ≥99.80 99.8 Zn ≤0.003 0.0012
C ≤0.007 0.005 Si ≤0.003 0.0001
S ≤0.002 0.001 Cd ≤0.0008 0.0003
Mn ≤0.008 0.0005 Mg ≤0.002 0.0001
Fe ≤0.02 0.0048 P ≤0.002 0.0001
Ni ≤0.1 0.046 Al ≤0.003 0.002
Cu ≤0.008 0.003 Sn ≤0.001 0.0003
As ≤0.001 0.0001 Sb ≤0.001 0.0001
Pb ≤0.0007 0.0004 Bi ≤0.0004 0.0001