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STAS/SR A21

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
Min 0.10 Min 0.30 0.40-1.00 0.035 0.035 0.03 0.1 0.1

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