Al-Mg-Zn wrought alloy product and manufacture method thereof

Al-Mg-Zn wrought alloy product and manufacture method thereof

  • CN 101,896,631 A
  • Filed: 11/05/2008
  • Published: 11/24/2010
  • Est. Priority Date: 11/15/2007
  • Status: Active Application
First Claim
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1. aluminum alloy forged product, in wt.%, it comprises:

  • Mg 3.0 to 7.0Zn 0.6 to 2.8Mn 0 to 1.0Cu 0 to 2.0Sc 0 to 0.6,At least a element that is selected from following element;

    Zr 0.04 to 0.4Cr 0.04 to 0.4Hf 0.04 to 0.4Ti 0.01 to 0.3,Fe is the highest by 0.3Si is the highest by 0.3,Unavoidable impurities, the aluminium of surplus is so that the Zn-content range is the function of Mg-content, that is;

    The lower limit of Zn-content range;

    [Zn]=0.34[Mg]-0.4;

    AndThe upper limit of Zn-content range;

    [Zn]=0.34[Mg]+0.4.

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