High-aluminum-containing ferritic stainless steel having improved high-temperature oxidation resistance
US5332544A · kind A · utility
6Cited by
1References
2Claims
0Family size
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Key dates
| Filing date | Aug 16, 1993 |
| Grant date | Jul 26, 1994 |
| Priority date | — |
| Expiry date | Aug 16, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A ferric stainless steel consists by weight of less than 0.03% carbon, less than 1% silicon, less than 1% manganese, less than 0.04% phosphorus, less than 0.03% sulphur, from 15% to 25% chromium, less than 0.03% nitrogen, from 3% to 6% aluminum, from 0.1% to 4% molybdenum. A small amount of rare-earth elements and yttrium of from 0.01% to 0.15% are added in the steel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.