Vanadium-containing carbidic austempered ductile iron and preparation method thereof

Vanadium-containing carbidic austempered ductile iron and preparation method thereof

  • CN 105,132,790 A
  • Filed: 08/31/2015
  • Published: 12/09/2015
  • Est. Priority Date: 08/31/2015
  • Status: Active Application
First Claim
Patent Images

1. , containing a vanadium carbide iron body difficult to understand spheroidal graphite cast iron, it is characterized in that composition and mass percentage:

  • C;

    3.20 ~ 3.70;

    Si;

    2.50 ~ 3.30;

    Mn;

    0.4 ~ 0.8;

    P≤

    0.040;

    S≤

    0.007;

    Ce;

    0.01 ~ 0.04;

    Mg;

    0.01 ~ 0.04;

    Cr;

    0.30 ~ 1.80;

    V;

    0.25 ~ 0.70;

    Surplus is iron.

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