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GBT U20150

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Cu(%)
0.12-0.18 Max 0.07 0.25-0.50 0.035 0.035 0.25 0.3 0.25