Patent · US Expired

Method of producing aluminum or aluminum alloy coated steel sheets with aid of powder method

US4061801A · kind A · utility

6Cited by
3References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 30, 1976
Grant dateDec 6, 1977
Priority date
Expiry dateJun 30, 1996

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12757
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A method of producing an aluminum or aluminum alloy coated steel sheet with the aid of powder method is disclosed. The method comprises preliminarily applying a zinc coating having a thickness of 0.01 to 0.3 .mu.m, preferably 0.03 to 0.3 .mu.m to a steel sheet surface, applying an aluminum powder to the zinc coated steel sheet and subjecting the coated steel sheet to steps of heating, rolling and heating again or steps of rolling, heating, rolling again and heating again.

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