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JIS SKH57

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(％) Si(％) Mn(％) Cr(％) Mo(％) V(%) W(%) Co(%)
1.20-1.35 Max 0.45 Max 0.40 3.80-4.50 3.20-3.90 3.00-3.50 9.00-10.00 9.50-10.50

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