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STAS/SR Rp9

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Mo(%) V(%) W(%)
0.95- 1.03 Max 0.45 Max 0.40 0.030 0.03 3.80- 4.50 2.50- 2.80 2. 20-Z. 50 2.70-3.00