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STAS/SR 3a

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.30-0.37 0.17-0.37 0.40-0.80 0.025 0.025 0.90-1.20 Max 0.30 0.30

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