Method and article of manufacture for controlling slag carry-over during tapping of a heat in steelmaking
US4526349A · kind A · utility
17Cited by
1References
5Claims
0Family size
Inventor
Key dates
| Filing date | Dec 13, 1983 |
| Grant date | Jul 2, 1985 |
| Priority date | — |
| Expiry date | Dec 13, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D43/002
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A steelmaking process and an article of manufacture for use therein, comprising the addition to the steelmaking vessel or caster tundish prior to the tapping of the finished steel of a heat-stable material having a density such that said material floats substantially at the interface between the slag and steel, said material being in the physical form of at least one annular disc. The heat-stable material may also be added to the vessel in the physical form of at least one discrete piece in addition to the annular disc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.