7XXX Series Alloy with Cu Having High Yield Strength and Improved Extrudability

摘要

7000 series aluminum alloys containing copper are provided. The aluminum alloys have high yield strength, and in some aspects allow press quenchability and/or have extrusion speeds more rapid than conventional 7000 series Al alloys.

主权项

1. An alloy comprising Fe from 0 to 0.08 wt %, Si from 0 to 0.05 wt %, Mg from 1.85 to 3.0 wt %, Zn from 5.0 to 6.3 wt %, and Cu from 0.9 to 2.15 wt %, the remaining wt % being Al and incidental impurities.