Fe-Ni-based alloy having excellent high-temperature characteristics and hydrogen embrittlement resistance characteristics, and method for producing the same
US9994938B2 · kind B2 · utility
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Key dates
| Filing date | Dec 25, 2013 |
| Grant date | Jun 12, 2018 |
| Priority date | — |
| Expiry date | Dec 25, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D6/008
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention relates to an Fe—Ni-based alloy having excellent high-temperature characteristics and hydrogen embrittlement resistance, which has a composition containing, in terms of % by mass, C: 0.005% to 0.10%, Si: 0.01% to 0.10%, P: 0.015% or less, S: 0.003% or less, Ni: 23.0% to 27.0%, Cr: 12.0% to 16.0%, Mo: 0.01% or less, Nb: 0.01% or less, W: 2.5% to 6.0%, Al: 1.5% to 2.5%, and Ti: 1.5% to 2.5%, the balance being Fe and other unavoidable impurities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.