镍(Ni)
Nickel

≥45%

≥40%

钴(Co)
Cobalt

≤0.005%

≤0.01%

铜(Cu)
Copper

≤0.0005%

≤0.01%

铁(Fe)
Ferric

≤0.008%

≤0.01%

锌(Zn)
Zinc

≤0.001%

≤0.01%

铅(Pb)
Lead

≤0.001%

≤0.01%

氯化物(Cl)
Chloride

≤0.05%

≤0.01%