Mold cover powder for continuous casting of steel, especially very-low-carbon steels
US6328781A · kind A · utility
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2References
6Claims
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Key dates
| Filing date | Oct 13, 1998 |
| Grant date | Dec 11, 2001 |
| Priority date | — |
| Expiry date | Oct 13, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D11/111
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of making a powder for covering an ingot mold for the continuous casting of steel, in particular steels with ultra-low carbon content. The powder comprises a base powder and particles of at least one metal nitride, its free carbon content being between 0 and 1% by weight, the method comprising forming a slip of raw materials for the basis powder, at least one metal nitride and water and atomizing the slip to form a mist and drying the mist to form granules having diameters lying between 20 .mu.m and 800 .mu.m.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.