Patent · US Expired

Extruded corrosion resistant structural aluminum alloy

US4231817A · kind A · utility

8Cited by
2References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 9, 1978
Grant dateNov 4, 1980
Priority date
Expiry dateNov 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.