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SAE SAE NV7(4140)

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％)
0.37-0.44 0.15-0.35 0.65-1.10 Max 0.035 Max 0.04 0.75-1.20 0.15-0.25

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