Overlay welding material
US12318872B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Mar 29, 2022 |
| Grant date | Jun 3, 2025 |
| Priority date | — |
| Expiry date | Mar 29, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E30/30
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A steek suitable for structural components used in contact with liquid lead or liquid lead alloys in nuclear reactors consisting of in weight % (wt. %): C 0.02-0.09; Si 0.1-1.6; Mn 1.5-3.0; Cr 9.0-12.0; Ni 10.0-16.8; Al 2.0-3.4; Ti 0.1-1.0; Nb≤0.5; V≤0.5; Ta≤1.5; Y≤0.5; Mo≤1.5; W≤1.5; Cu≤1.7; N≤0.06; Co≤1.0; B≤0.1; Zr≤0.5; Hf≤0.5; RE≤0.2; Ca≤0.1; Mg≤0.1; Bi≤0.1; SE≤0.1 and balance Fe apart from impurities, wherein the content of RE does not include the amount of Y but only the amount of the elements having an atomic numbers 21 and 57-71, wherein the steel fulfils one or more of the following requirements:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.