Compositions and methods for desulphurizing molten ferrous metals
US4217134A · kind A · utility
4Cited by
5References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 13, 1979 |
| Grant date | Aug 12, 1980 |
| Priority date | — |
| Expiry date | Jun 13, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21C7/0645
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Compositions comprising 50-75% w/w of lime, 20-30% w/w of fluorspar (CaF.sub.2), and up to 20% w/w of ground aluminum, and methods to desulphurize molten ferrous metals, notably molten steels, by adding said compositions to molten ferrous metals in the ladle, but more preferably, by injecting the composition in particulate form into the molten body of ferrous metals, e.g., molten steels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.