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ISO ISO 9a

Chemical composition(mass fraction)(wt.%)

Chemical composition(mass fraction)(wt.%)
C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％)
0.10-0.17 Max 1.00 Max 1.50 Max 0.040 Min 0.15 16.0-18.0 Max 0.06

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