Silicon Calcium Barium Ferro Silicon Inoculant Metallurgy
Inoculant is a kind of material which can promote graphitization, reduce the tendency of white mouth, improve the morphology and distribution of graphite.
Description
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Description
Calcium Silicon Barium Inoculant CaBaSi increase the graphitization core, refinement of graphite, promote get A type graphite from the Grey iron castings, increase the intensity, for ductile iron parts, Calcium Silicon Barium Inoculant CaBaSi can make the graphite in ductile iron ball small, round, improve the nodulizing grade.
Specification
| Type | Chemical Composition (%)
| ||||
| Si | Ba | Ca | AI | Fe | |
| ≥ | ≤ | ||||
| Si-Fe inoculant | 70 |
2
|
Balance
| ||
| Si-Ba Inoculant | 70 | 1-3 | 1-2 | ||
| Si-Ba-Ca Inoculant | 60 | 1-6 | 1-3 | ||
Function
1) Si-Ba-Ca alloy is a new type of composite alloy with high efficiency in the barium series. It is a deoxidizer and desulfurizer for steelmaking, and also has the function of dephosphorization. It is inoculant and modifier in casting.
(2) Barium can effectively reduce the vapor pressure of calcium and increase the solubility of calcium in molten steel in the range of steelmaking temperature. Compared with calcium-silicon alloy, the content of calcium in molten steel is about twice that of calcium-silicon alloy even if the amount of calcium added is half of that of calcium-silicon alloy, and the calcium in molten steel is also significantly increased. The results show that barium can effectively protect calcium and reduce the oxidation of calcium in molten steel, thus achieving the purpose of treating calcium in molten steel.
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