IT1088903B - Alloy blocks with high surface to vol. ratio - for adding magnesium or mischmetal to molten iron or aluminium - Google Patents
Alloy blocks with high surface to vol. ratio - for adding magnesium or mischmetal to molten iron or aluminiumInfo
- Publication number
- IT1088903B IT1088903B IT3003677A IT3003677A IT1088903B IT 1088903 B IT1088903 B IT 1088903B IT 3003677 A IT3003677 A IT 3003677A IT 3003677 A IT3003677 A IT 3003677A IT 1088903 B IT1088903 B IT 1088903B
- Authority
- IT
- Italy
- Prior art keywords
- solid
- vol
- added
- mischmetal
- ratio
- Prior art date
Links
Abstract
A solid is added to a molten metal or alloy bath to produce an effect in the fastest possible manner, esp. where the solid has a smaller vol. than the bath and where the effect occurs while the solid is travelling from the bottom to the surface of the bath. The solid consists of a long central section with >=2 side wings designed so no point in the solid is >40 mm., and pref. max. 10 mm., from the surface of the solid, which has the highest possible surface/vol. ratio. The distance between two wings is pref. smaller than the wing width, or vice versa, and the solid is pref: (a) an Fe-Si-Mg alloy added to molten cast iron to obtain nodular graphite; (b) mischmetal added to steel for removing S; (c) Mg and/or Si added to molten Al. The solids (a, b, c) are easily made as sand castings with a standard wt. for simple addn. to a molten metal, in which they are very effective.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT3003677A IT1088903B (en) | 1977-11-25 | 1977-11-25 | Alloy blocks with high surface to vol. ratio - for adding magnesium or mischmetal to molten iron or aluminium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT3003677A IT1088903B (en) | 1977-11-25 | 1977-11-25 | Alloy blocks with high surface to vol. ratio - for adding magnesium or mischmetal to molten iron or aluminium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1088903B true IT1088903B (en) | 1985-06-10 |
Family
ID=11228908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT3003677A IT1088903B (en) | 1977-11-25 | 1977-11-25 | Alloy blocks with high surface to vol. ratio - for adding magnesium or mischmetal to molten iron or aluminium |
Country Status (1)
| Country | Link |
|---|---|
| IT (1) | IT1088903B (en) |
-
1977
- 1977-11-25 IT IT3003677A patent/IT1088903B/en active
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