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Aluminum alloy extruded product for heat exchangers and method of manufacturing the same

  • US 20050189047A1
  • Filed: 02/09/2005
  • Published: 09/01/2005
  • Est. Priority Date: 02/13/2004
  • Status: Active Grant
First Claim
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1. An aluminum alloy extruded product for heat exchangers, which comprises an aluminum alloy comprising 0.2 to 1.8% (mass %;

  • hereinafter the same) of Mn and 0.1 to 1.2% of Si, having a ratio of Mn content to Si content (Mn %/Si %) of 0.7 to 2.5, and having a content of Cu as an impurity of 0.05% or less, with the balance being Al and impurities, the aluminum alloy extruded product having an electric conductivity of 50% IACS or more and an average particle size of intermetallic compounds precipitating in a matrix of 1 μ

    m or less.

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