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STAS/SR Rp4

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) V(%)
1. 17-1.27 Max 0.45 Max 0.40 0.03 0.030 3.80- 4.50 2,70- 3.20 4.70-5.20 6.00-6. 70