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ISO HS4-1

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(％) Si(％) Mn(％) Cr(％) Mo(％) V(%)
0.77-0.85 ≤0.65 ≤0.40 3.90-4.40 4.00-4.50 0.90-1.10

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