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UNE El721

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％)
0.28-0.35 0.15-0.40 0.40-0.70 0.035 0.035 2.30-2.80 0.30-0.50

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