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ISO 683-1-1987
Heat-treatable steels,alloy steels and free-cutting steels. Part 1:Direct-hardening unalloyed and low-alloyed wrought steel in form of different black produts
Material Designation Chemical Composition (%)
C45E4H (C45E4) (C45E4HH4)
Min
Max
25CrMo4H (25CrMo4) (25CrMo4HH)
Min
Max
42CrMo4 (42CrMo4H) (42CrMo4HH)
Min
Max
22Mn6 (22Mn6H) (22Mn6HH)
Min
Max
28Mn6 (28Mn6H) (28Mn6HH)
Min
Max
36Mn6 (36Mn6H) (36Mn6HH)
Min
Max
36CrNiMo4 (36CrNiMo4H) (36CrNiMo4HH)
Min
Max
For Reference Only