A.鐵素體不銹鋼 B.奧氏體不銹鋼 C.馬氏體不銹鋼 D.珠光體不銹鋼
A.<5% B.5~10% C.10~15% D.15~20%
A.≤0.25% B.≤0.35% C.>0.25% D.0.25%~0.60%