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CrWMn‖Cr

9Mn2V‖9M

9SiCr‖9S

Cr12Mo1V

Cr12MoV‖

Cr12‖Cr1

QRO-90‖Q

S-STAR‖S

1.1210‖1

1.3247‖1

1.3243‖1

SKH-55‖S

SKH-51‖S

SKH-9‖SK

M42‖M42‖

M2‖M2‖M2

2379‖237

2083‖208

SKD61‖SK

SKD11‖SK