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ГОСТ 55X20Γ9AH4

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) W(%) N(%) Ti(%)
0.50-0.60 Max 0.45 8.00-10.0 Max 0.04 Max 0.03 20.0-22.0 3.50-4.50 Max 0.30 Max 0.20 0.30-0.60 Max 0.20