Method of producing an aluminum alloy sheet excelling in formability
US5486243A · kind A · utility
17Cited by
3References
11Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 12, 1993 |
| Grant date | Jan 23, 1996 |
| Priority date | — |
| Expiry date | Oct 12, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C21/06
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method including preparing an aluminum scrap containing a total of about 0.3 to 2.0 wt % of Fe and Si; melting and then adjusting the material composition so as to attain an Mg content of about 3 to 10 wt % or a composition further containing at least one of the elements Cu, Mn, Cr, Zr and Ti, each in the amount of 0.02 to 0.5 wt %; subjecting the material to casting, hot rolling, cold rolling and continuous annealing to obtain an aluminum alloy sheet having a tensile strength of about 31 kgf/mm.sup.2 or more; and applying a lubricant surface coating to impart a coefficient of friction of not more than about 0.11.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.