Aluminum alloys for highly shaped packaging products and methods of making the same
View Patent ↗The disclosure is related to new, formable and strong aluminum alloys for making packaging products such as bottles and cans.
1. An aluminum alloy comprising:
0.1-1.6 wt. % Mn,
0.1-0.6 wt. % Mg,
0.45-1.0 wt. % Cu,
0.2-0.7 wt. % Fe,
0.10-0.6 wt. % Si,
up to 0.3 wt. % Cr,
up to 0.6 wt. % Zn,
up to 0.2 wt. % Ti,
<0.05 wt. % for each trace element,
<0.15 wt. % for total trace elements and remainder Al.
2. The alloy of claim 1 comprising:
0.8-1.5 wt. % Mn,
0.3-0.6 wt. % Fe,
0.15-0.5 wt. % Si,
0.001-0.2 wt. % Cr,
0-0.5 wt. % Zn, and
0-0.1 wt. % Ti.
3. The alloy of claim 2 comprising:
0.9-1.4 wt. % Mn,
0.45-0.9 wt. % Cu,
0.35-0.55 wt. % Fe, and
0.2-0.45 wt. % Si.
4. The alloy of claim 3 comprising:
0.95-1.3 wt. % Mn,
0.5-0.8 wt. % Cu,
0.4-0.5 wt. % Fe, and
0.25-0.4 wt. % Si.
5. The alloy of claim 1 comprising:
0.8-1.5 wt. % Mn,
0.3-0.6 wt. % Fe,
0.15-0.5 wt. % Si,
0.001-0.2 wt. % Cr,
0-0.5 wt. % Zn, and
0-0.1 wt. % Ti.
6. The alloy of claim 5 comprising:
0.9-1.4 wt. % Mn,
0.35-0.55 wt. % Fe, and
0.2-0.45 wt. % Si.
7. The alloy of claim 6 comprising:
0.95-1.3 wt. % Mn,
0.4-0.5 wt. % Fe,
0.25-0.4 wt. % Si, and
0.001-0.2 wt. % Cr.
8. The aluminum alloy of claim 1 , comprising a recycle content of at least 60 wt. %.
9. The aluminum alloy of claim 8 , comprising a recycle content of at least 85 wt. %.
10. A shaped aluminum bottle comprising the aluminum alloy of claim 1 .