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  1. valv

    ductile iron heat treating

    arunmrao Thank you for your reply, I've checked out the website you provided and noticed that tempering reduces residual stresses which is exactly what I want to achieve however, at same time, it would reduces the strength of ductile iron which I dont want to happen. You suggested fast cooling...
  2. valv

    ductile iron heat treating

    I need to perform heat tension of ductile iron grade 120-90-02 at 1100 deg F. for 4 hours, my question is would the mechanical proterties change after heat tension? Thank you for your help.

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