Patent · US Expired

Coated ferrite stainless steel sheet usable in the automobile exhaust sector

US6582835B2 · kind B2 · utility

10Cited by
2References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 29, 2001
Grant dateJun 24, 2003
Priority date
Expiry dateMar 29, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12979
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Dip-coated ferrite stainless steel sheet usable in the automobile exhaust sector, characterized in that it comprises a steel core with the following composition by weight:10.5%≦chromium≦20%0%≦aluminum≦0.6%0.003%≦carbon≦0.06%0.003%≦nitrogen≦0.04%0%≦silicon≦0.6%0%≦manganese≦0.6%0%≦sulfur≦0.002% iron and impurities inherent in processing, and a metal coating deposited by dipping the strip in a molten metal bath containing in particular aluminum and at least one rare earth element: cerium, lanthanum, praseodymium, neodymium, mixed metal and/or yttrium.

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