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Material
YB /T 158-1999
Material Designation
Chemical Composition (%)
42CrMoV
Min
Max
20CrMo1VNbTiB
Min
Max
20CrMo1VTiB
Min
Max
20CrMo1V
Min
Max
45CrMoV
Min
Max
40CrMoV
Min
Max
25Cr2Mo1V
Min
Max
25Cr2MoV
Min
Max
40CrNiMo
Min
Max
For Reference Only
