Ni-based heat-resistant alloy

Ni-based heat-resistant alloy

  • CN 103,717,767 A
  • Filed: 07/31/2012
  • Published: 04/09/2014
  • Est. Priority Date: 08/09/2011
  • Status: Active Application
First Claim
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1. a Ni based heat resistant alloy, it is characterized in that, its contain by mass% that C:

  • 0.15% is following, Si;

    2% following, Mn;

    3% is following, P;

    0.03% is following, S;

    0.01% is following, Cr;

    15% is above and lower than 28%, Mo;

    3~

    15%, Co;

    surpass below 5% and 25%, Al;

    0.2~

    2%, Ti;

    0.2~

    3%, Nd;

    f1~

    0.08% and below O;

    0.4Nd, surplus is comprised of Ni and impurityWherein, above-mentioned f1 refers to following formula, and the d in formula refers to average crystalline particle diameter, the μ

    m of unit, and the symbol of element refers to the content of this element by mass%, and the Nd in 0.4Nd similarly refers to the content of Nd by mass%.f1=

    1.7×

    10 -5d+0.05{



    Al/26.98)

    +(

    Ti/47.88)



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