AM 4140 20-53

Corresponds to 1.7225, 42CrMo4

Chemical composition (wt %)

Element Min Max Element Min Max
Cr 0.7 1.2 C 0.37 0.44
Mn 0.7 1.1 P   0.035
Mo 0.1 0.4 S   0.040
Si 0.2 0.5      
      Fe balance

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