Patent · US Active

6xxx aluminum alloys, and methods of making the same

US10533243B2 · kind B2 · utility

19Cited by

20References

13Claims

0Family size

Assignee

Arconic Corporation · US

Inventors

John M. Newman · Export, US
Timothy A. Hosch · Plum, US
John F. Butler · Bethel Park, US

Key dates

Filing date	Jan 4, 2017
Grant date	Jan 14, 2020
Priority date	—
Expiry date	Jul 9, 2037

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB21B2265/14
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

New 6xxx aluminum alloys having an improved combination of properties are disclosed. Generally, the new 6xxx aluminum alloys contain 1.00-1.45 wt. % Si, 0.32-0.51 wt. % Mg, wherein a ratio of wt. % Si to wt. % Mg is in the range of from 2.0:1 (Si:Mg) to 4.5:1 (Si:Mg), 0.12-0.44 wt. % Cu, 0.08-0.19 wt. % Fe, 0.02-0.30 wt. % Mn, 0.01-0.06 wt. % Cr, 0.01-0.14 wt. % Ti, and ≤0.25 wt. % Zn, the balance being aluminum and impurities, wherein the aluminum alloy includes ≤0.05 wt. % of any one impurity, and wherein the aluminum alloy includes ≤0.15 in total of all impurities.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.