Coated ferrite stainless steel sheet usable in the automobile exhaust sector
US6582835B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2001 |
| Grant date | Jun 24, 2003 |
| Priority date | — |
| Expiry date | Mar 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.