Aluminium alloy plate for battery case and its manufacturing method

Aluminium alloy plate for battery case and its manufacturing method

  • CN 1,497,051 A
  • Filed: 10/17/2003
  • Published: 05/19/2004
  • Est. Priority Date: 10/18/2002
  • Status: Active Application
First Claim
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1. aluminium alloy plate for battery case, it is characterized in that, contain that Mn:

  • 1.0% is above 1.5% below, Mg;

    0.3% is above below 0.8%, more than the Cu;

    0.3% below 0.6%, Si;

    0.05~

    0.25%, Fe;

    0.2~

    0.5% and comprise the remaining Al of portion and impurity and constituting, have the composition that satisfies 3Cu (%)<

    Mn (%)+Mg (%), wherein per-cent is mass percent.

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