Chemical Composition and Machine Function of 42CrMo / raw material of slewing ring Chemical Composition and Machine Function of 42CrMo1) The chemical composition of the material:NoThe chemical composition %CSiMnMoCrNiSPCu42CrMo0.38~0.450.17~0.370.50~0.800.15~0.250.90~1.2≤0.30≤0.035≤0.035≤0.30(Note: The chemical composition of the other material must obey the standard set by