Multiphase ultra-high strength hot rolled steel
US11965230B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 15, 2021 |
| Grant date | Apr 23, 2024 |
| Priority date | — |
| Expiry date | May 7, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D2211/008
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A hot rolled, ultra-high strength, complex metallographic structured or multi-phase structured steel that improves formability during stamping or forming process, while possessing one or more of the following properties: excellent castability, rollability and coatability, excellent structural performance, excellent stretch formability, excellent stretch flangeability, excellent dent resistance, excellent durability, excellent impact performance, excellent intrusion and crash resistance without the purposeful addition of boron.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.