Austenitic stainless steel for use when hot
US5753178A · kind A · utility
2Cited by
2References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 8, 1996 |
| Grant date | May 19, 1998 |
| Priority date | — |
| Expiry date | Aug 8, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C38/50
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Austenitic stainless steel for use when hot, the chemical composition of which, by weight, includes from 16% to 25% of Ni, from 16% to 18.5% of Cr, from 0% to 3% of Mo, from 0% to 2% of Mn, from 1% to 3.5% of Ti, from 0% to 1.5% of Al, less than 0.1% of C+N, up to 0.025% of B, the remainder being iron and impurities resulting from the production; the chemical composition additionally satisfying the relations: PA0 (0.94.times.Ni-65.times.F)/(1-F).gtoreq.12 and PA0 17.ltoreq.(1.07.times.Cr-1.5.times.F)/(1-F).ltoreq.22 with: PA0 F=0.0444.times.Ti+0.0777.times.Al-0.0592.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.