Ferritic stainless steel for heat exchanger
US5512239A · kind A · utility
11Cited by
2References
1Claims
0Family size
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Key dates
| Filing date | Apr 18, 1995 |
| Grant date | Apr 30, 1996 |
| Priority date | — |
| Expiry date | Apr 18, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C38/28
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A ferritic stainless steel comprises C: not more than 0.025 wt %, Si: not more than 0.10 wt %, Mn: not more than 1.0 wt %, Cr: 17.0-25.0 wt %, Ni: not more than 0.50 wt %, Mo: 0.50-2.00 wt %, Al: not more than 0.025 wt %, N: not more than 0.025 wt %, at least one of Nb: 10(C wt %+N wt %)-1.0 wt % and Ti: 10(C wt %+N wt %)-1.0 wt %, and the balance being substantially Fe and inevitable impurities and is effectively used in various heat exchangers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.