
| Grade | Ca | Si | Al | C | P | S |
| ≥ | ≤ | |||||
| Ca28Si50 | 28 | 50 | 2.4 | 1.0 | 0.04 | 0.05 |
| Ca30Si50 | 30 | 50 | 2.4 | 1.0 | 0.04 | 0.05 |
| Ca28Si55 | 28 | 55 | 2.4 | 1.0 | 0.04 | 0.05 |
| Ca30Si55 | 30 | 55 | 2.4 | 1.0 | 0.04 | 0.05 |
| Ca28Si60 | 28 | 60 | 2.4 | 1.0 | 0.04 | 0.05 |
| Ca30Si60 | 30 | 60 | 2.4 | 1.0 | 0.04 | 0.05 |
| Other specifications can be customized | ||||||