Specifications of silicon calcium alloys
| Model | Ca(min) | Si(min) | C(max) | Al(max) | S(max) | P(max) |
| Ca30Si60 | 30% | 60% | 1% | 2.4% | 0.05% | 0.04% |
| Ca28Si55 | 28% | 55% | 1% | 2.5% | 0.05% | 0.04% |
the uses of silicon calcium
1. Because calcium has a strong affinity with oxygen, sulfur, hydrogen, nitrogen and carbon in molten steel, silicon-calcium alloy is mainly used for deoxidation, degassing and fixed sulfur of molten steel.
2. Calcium silica produces a strong exothermic effect when added to molten steel. Calcium turns into calcium vapor in molten steel, which has a stirring effect on molten steel, which is beneficial to the floating of non-metallic inclusions. After the deoxidation of the silicon-calcium alloy, non-metallic inclusions with large particles and easy to float are produced.
3. At the same time, the shape and properties of non-metallic inclusions are also changed. Therefore, silicon-calcium alloy is used in productionClean steel, high-quality steel with low oxygen and sulfur content, and extremely low oxygen and sulfur contentSpecial performance steel.
Contact
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