Wear-resistant steel plate and method for producing same
US12180572B2 · kind B2 · utility
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2References
4Claims
0Family size
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Key dates
| Filing date | Aug 17, 2020 |
| Grant date | Dec 31, 2024 |
| Priority date | — |
| Expiry date | Jan 25, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D2211/008
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The steel plate has a specific chemical composition, and a microstructure where a volume fraction of martensite at a depth of 1 mm from a surface of the steel plate is 95% or more, and at a depth of 1 mm from a surface of the steel plate, a Vickers hardness at 400° C. is 288 or more, and a Brinell hardness at 25° C. is 360 HBW10/3000 to 490 HBW10/3000.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.