公开(公告)号：US11970756B2

公开(公告)日：2024-04-30

申请号：US17052385

申请日：2018-07-02

Applicant: OTTO FUCHS—KOMMANDITGESELLSCHAFT

Inventor： Joachim Becker ,  Matthias Hilpert ,  Thomas Witulski ,  Michael Besel

IPC: C22C21/10 ,  C22F1/053

CPC classification number: C22C21/10 ,  C22F1/053

Abstract: The invention relates to an aluminum alloy having 0.04-0.1 wgt.-% Si, 0.8-1.8 wgt.-% Cu, 1.5-2.3 wgt.-% Mg, 0.15-0.6 wgt.-% Ag, 7.05-9.2 wgt.-% Zn, 0.08-0.14 wgt.-% Zr, 0.02-0.08 wgt.-% Ti, max. 0.35 wgt.-% Mn, max. 0.1 wgt.-% Fe, max. 0.06 wgt.-% Cr, optional 0.0015-0.008 wgt.-% Be, the remainder aluminum in addition to unavoidable impurities. The invention furthermore relates to an aluminum alloy product which is overaged according to T74xx, produced from such an alloy.