Extruded corrosion resistant structural aluminum alloy
US4231817A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 9, 1978 |
| Grant date | Nov 4, 1980 |
| Priority date | — |
| Expiry date | Nov 9, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C21/10
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A corrosion resistant structural aluminum alloy excellent in extrudability which consists essentially of, in weight percentage: PA1 Magnesium from 0.45 to 0.98%, PA1 Silicon from 0.3 to 0.8%, PA1 Zinc from 0.5 to 2.5%, and, the balance aluminum and incidental impurities; said alloy including a corrosion resistant structural aluminum alloy excellent in extrudability further additionally containing, as required, at least one element selected from the group consisting of, in weight percentage: PA1 Copper from 0.04 to 0.30%, PA1 Zirconium from 0.04 to 0.25%, PA1 Chromium from 0.04 to 0.30%, and PA1 Manganese from 0.04 to 0.25%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.