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AS 4340

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.37-0.44 0.10-0.35 0.55-0.90 0.040 0.04 0.65-0.95 1.55-2.00 0.20-0.35

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