Casting aluminum alloy and internal combustion engine cylinder head

Casting aluminum alloy and internal combustion engine cylinder head

  • CN 101,338,395 A
  • Filed: 07/07/2008
  • Published: 01/07/2009
  • Est. Priority Date: 07/06/2007
  • Status: Active Application
First Claim
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1. casting aluminum alloy comprises:

  • By quality ratio, the Si of 4.0-7.0%, the Cu of 0.5-2.0%, the Mg of 0.25-0.5%, be not more than 0.5% Fe, be not more than 0.5% Mn and be selected from the Ca of Na, 0.002-0.02% of 0.002-0.02% and the Sr of 0.002-0.02% at least a composition;

    AndAl and unavoidable impurities as remainder.

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