Durable iron-chromium-aluminum alloy showing minor changes in heat resistance

Durable iron-chromium-aluminum alloy showing minor changes in heat resistance

  • CN 101,981,218 A
  • Filed: 04/02/2009
  • Published: 02/23/2011
  • Est. Priority Date: 04/10/2008
  • Status: Active Application
First Claim
Patent Images

1. have the Aludirome of long life and low hot resistance change, it contains (in quality %):

  • Al 4.5-6.5%

    Cr 16-24%

    W 1.0-4.0%

    Si 0.05-0.7%

    Mn 0.001-0.5%

    Y 0.02-0.1%

    Zr 0.02-0.1%

    Hf 0.02-0.1%

    C 0.003-0.030%

    N 0.002-0.03%

    S maximum 0.01%Cu maximum 0.5%The impurity that the iron of surplus and conventional melting cause.

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