Method of treating steel with calcium, to obtain a steel well adapted to cold forming, with a low silicon content
US4555265A · kind A · utility
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2References
11Claims
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Key dates
| Filing date | Sep 10, 1984 |
| Grant date | Nov 26, 1985 |
| Priority date | — |
| Expiry date | Sep 10, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22B9/103
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention concerns the production of steels which have an isotropic structure, are very well adapted to cold forming particularly by pressing and which have a very low silicon content. The method comprises taking a deoxidated liquid steel with a low silicon content and placing in it a cored wire containing a divided material, which is a mixture of silico-calcium and granular calcium in a specific quantity and specific proportions. The method is applicable to non-alloyed or slightly alloyed steels and is particularly suitable for a continuous casting installation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.