Thick steel plate having excellent cryogenic impact toughness and manufacturing method therefor
US11649515B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Dec 20, 2017 |
| Grant date | May 16, 2023 |
| Priority date | — |
| Expiry date | Oct 13, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C38/14
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The purpose of one aspect of the present invention is to provide: a thick steel plate capable of removing a conventional normalizing treatment required for ensuring toughness low temperature and cryogenic environments, and having properties equal to or better than those of a conventional steel subjected to the normalizing treatment; and a method for manufacturing the method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.