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STAS/SR 20MnB5q

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Cu(%) Al(%) Ti(%)
0.17- 0.23 0.10-0.40 1.10-1.40 0.035 0.035 Max 0.30 0.30 0.30 0.02 0.01 -0.04