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JIS SK4M

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Cu(%)
0.90-1.00 Max 0.35 Max 0.50 Max 0.030 Max 0.030 Max 0.30 Max 0.25 Max 0.25