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AL-ZN-CU-MG ALLOYS AND THEIR MANUFACTURING PROCESS

  • US 20200131612A1
  • Filed: 06/28/2018
  • Published: 04/30/2020
  • Est. Priority Date: 07/03/2017
  • Status: Active Application
First Claim
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1. An extruded, rolled and/or forged aluminum-based alloy product having a thickness of at least 25 mm comprising, or advantageously consisting of (in weight %):

  • Zn 6.70-7.40Mg 1.50-1.80Cu 2.20-2.60, wherein the Cu to Mg ratio is at least 1.30Zr 0.04-0.14Mn 0-0.5Ti 0-0.15V 0-0.15Cr 0-0.25Fe 0-0.15Si 0-0.15impurities ≤

    0.05 each and ≤

    0.15 total.

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