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STAS/SR 40Sil7A

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.35-0.45 1.50-1.90 0.55-0.95 0.04 0.04 0.3 0.3 0.25

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