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Aluminum alloy clad sheet for heat exchangers

  • US 20100266871A1
  • Filed: 03/29/2010
  • Published: 10/21/2010
  • Est. Priority Date: 04/21/2009
  • Status: Active Grant
First Claim
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1. An aluminum alloy clad sheet for heat exchangers comprising a core material, a cladding material 1, and a cladding material 2, one side and the other side of the core material being respectively clad with the cladding material 1 and the cladding material 2, the core material comprising 0.5 to 1.2% (mass %, hereinafter the same) of Si, 0.2 to 1.0% of Cu, 1.0 to 1.8% of Mn, and 0.05 to 0.3% of Ti, with the balance being Al and unavoidable impurities, the cladding material 1 comprising 3 to 6% of Si, 2 to 8% of Zn, and at least one of 0.3 to 1.8% of Mn and 0.05 to 0.3% of Ti, with the balance being Al and unavoidable impurities, and the cladding material 2 comprising 6 to 13% of Si, with the balance being Al and unavoidable impurities, the cladding material 1 serving as the outer side of the aluminum alloy clad sheet during use.

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