Chemical Composition

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Grade of Steel: 30MNCRB5
Chemical Composition
%C - Min. 0.27 Max. 0.32
%Si - Min. 0.32 Max. 0.35
%Mn - Min. 1.15 Max. 1.35
%P - Min. - Max. 0.040
%S - Min. - Max. 0.040
%Cr - Min. 0.25 Max. 0.35
%B - Min.0.0025 Max. 0.0045