A.0.05~0.08 B.0.08~0.10 C.0.09~0.11 D.0.12~0.14
A.1,000,000t/y B.1,000,000 C.1,000,000KG/y D.1,000,000t
A.高碳合金鋼 B.高碳高鉻合金工具鋼 C.高碳高鉻合金鋼 D.高鉻鋼