| Marchio | Composizione chimica (%) | |||||
| CR | C | Si | P | S | ||
| Micro carbonio | FeCr-1 | 63-68 | 0.03-0.15 | 1.0-2.0 | 0.03-0.06 | 0.025-0.03 |
| FeCr-2 | 58-68 | 0.03-0.15 | 1.0-2.0 | 0.03-0.06 | 0.025-0.03 | |
| A basso contenuto di carbonio | FeCr-3 | 58-68 | 0.25-0.5 | 1.5-3.0 | 0.03-0.06 | 0.025-0.03 |
| FeCr-4 | 63-68 | 0.25-0.5 | 1.5-3.0 | 0.03-0.06 | 0.025-0.03 | |
| Carbonio medio | FeCr-5 | 58-68 | 1.0-4.0 | 1.5-3.0 | 0.03-0.06 | 0.025-0.03 |
| FeCr-6 | 63-68 | 1.0-4.0 | 1.5-3.0 | 0.03-0.06 | 0.025-0.03 | |
| Alto tenore di carbonio | FeCr-7 | 58-68 | 4.0-10.0 | 3.0-5.0 | 0.03-0.06 | 0.03-0.06 |
| FeCr-8 | 63-68 | 4.0-10.0 | 3.0-5.0 | 0.03-0.06 | 0.03-0.06 | |