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AS 4340

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.38-0.43 0.10-0.35 0.60-0.80 0.04 0.040 0.70-0.90 1.65-2.00 0.20-0.30

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