High-strength steel sheet having excellent processability and method for manufacturing same
US11519051B2 · kind B2 · utility
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4Claims
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Key dates
| Filing date | Oct 11, 2018 |
| Grant date | Dec 6, 2022 |
| Priority date | — |
| Expiry date | Jan 15, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C38/38
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Provided is a high-strength steel sheet having a tensile strength of 780 MPa or higher. The high-strength steel sheet has a low yield ratio and excellent ductility (El) and strain hardening exponent (n) and thus has enhanced processability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.