42CrMo4~42...
42CrMo~42C...
AISI4140~A...
SNCM439~SN...
SCM420~SCM...
4340~4340~...
SCM21~SCM2...
SCM435~SCM...
AISI4340~A...
4140 4140 ...
SCM415~SCM...
SCM440~SCM...
9Cr18~9Cr1...
9Cr18Mo~9C...
SUS440B~SU...
440B~440B~...
SUS440C~SU...
440C~440C~...
SCM440H日本钢...
SUS316L日本钢...
17-4PH日本钢材
9Cr18MoV日本...
SUS630日本钢材
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