High chromium heat resistant cast steel material and pressure vessel formed thereof
US6123897A · kind A · utility
4Cited by
1References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 23, 1999 |
| Grant date | Sep 26, 2000 |
| Priority date | — |
| Expiry date | Jul 23, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C38/52
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A heat resistant material and a pressure vessel by use thereof, having an excellent high temperature strength so as to be applicable to steam condition of 600.degree. C. or more, are provided. Said material consists of C, Si, Cr, Ni, V, Nb, N, Mo and W in the respective weight percent, and inevitable impurities and Fe, and is further added with Cu, B and Ca and/or Mn, Mn and Cu, B and Ca, in the respective weight percent. Also, a pressure vessel is formed of said materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.