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ASTM O1

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(％) Si(％) Mn(％) P(％) S(％) Cr(％) V(%) W(%)
0.85～1.00 0.10～0.50 1.00～1.40 ≤0.030 ≤0.030 0.40～0.60 ≤0.30 0.40～0.60

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