Hot dipped medium manganese steel and manufacturing method therefor
US11313021B2 · kind B2 · utility
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Key dates
| Filing date | Apr 20, 2018 |
| Grant date | Apr 26, 2022 |
| Priority date | — |
| Expiry date | Dec 4, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D2211/005
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A hot dipped medium manganese steel and a manufacturing method therefor. The medium manganese steel comprises a steel base plate and a coating on the surface of the steel base plate; the mass percentages of the components in the hot dipped medium manganese steel are: C: 0.1 to 0.3%, Si: 0.1 to 2.0%, Mn: 5 to 12%, Al: 1 to 2%, P≤0.02%, S≤0.02%, N≤0.005%, and the remaining being Fe and unavoidable impurities; the core structure is ferrite and austenite, and the surface layer of the steel base plate is a ferrite layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.