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ГОСТ XH55BMTKЮ

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) Cr(%) Ni(%) Mo(%) V(%) W(%) Co(%) B(%) Al(%) Ti(%)
0.04-0.10 Max 0.50 Max 0.50 9.0-12.0 Balance 4.00-6.00 0.20-0.80 4.50-6.50 12.0-16.0 Max 0.02 3.60-4.50 1.40-2.00