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Silicon-Calcium
Structural characteristics and application:
Silicon-calcium alloy is a binary alloy consisting of silicon and calcium, obtained from silica, lime and coke in a strong reducing atmosphere at 1500-1800 degrees. Its main components are silicon and calcium, but it also contains varying amounts of impurities such as iron, aluminium, carbon, sulphur and phosphorus.
Application
The steel industry uses it as a calcium additive, deoxidiser, desulphuriser and denaturant for non-metallic inclusions. The cast iron industry uses it as an inoculant and denaturant.
Main technical performance:
| Grade | Chemical Composition(%) | |||||
| Si | Ca | C | Al | P | S | |
| ≥% | ≤% | |||||
| Ca28Si60 | 60 | 28 | 1 | 2.4 | 0.04 | 0.05 |
| Ca30Si60 | 60 | 30 | 1 | 2.4 | 0.04 | 0.05 |
| Ca28Si55 | 55 | 28 | 1 | 2.4 | 0.04 | 0.05 |
| Ca30Si55 | 55 | 30 | 1 | 2.4 | 0.04 | 0.05 |
| Ca28Si50 | 50 | 28 | 1 | 2.4 | 0.04 | 0.05 |
| Ca30Si50 | 50 | 30 | 1 | 2.4 | 0.04 | 0.05 |
| Size: 10-100mm, 0-200 mesh or other special size as requirement | ||||||
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