Patent · US Active

3XX aluminum casting alloys, and methods for making the same

US11584977B2 · kind B2 · utility

0Cited by

32References

20Claims

0Family size

Assignee

ALCOA USA CORP. · US

Inventors

Xinyan Yan · Murrysville, US
Jen C. Lin · Export, US

Key dates

Filing date	Feb 13, 2018
Grant date	Feb 21, 2023
Priority date	—
Expiry date	Jan 7, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC22F1/043
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

New 3xx aluminum casting alloys are disclosed. The aluminum casting alloys generally include from 6.5 to 11.0 wt. % Si, from 0.20 to 0.80 wt. % Mg, from 0.05 to 0.50 wt. % Cu, from 0.10 to 0.80 wt. % Mn, from 0.005 to 0.05 wt. % Sr, up to 0.25 wt. % Ti, up to 0.30 wt. % Fe, and up to 0.20 wt. % Zn, the balance being aluminum and impurities.

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