名 称

控制指标

钴 ( Co ) ≥

72.0

镍 ( Ni ) ≤

0.3

铁 ( Fe ) ≤

0.1

锰 ( Mn ) ≤

0.35

铜 ( Cu ) ≤

0.2

锌 ( Zn ) ≤

0.1

铅 ( Pb ) ≤

0.006

镉 ( Cd ) ≤

0.006

砷 ( As ) ≤

0.005

粒度 ( MESH )

325 99% pass