| Res | DC | DCCI | DCXVII | DCXXV | DCXC | DCCXVIII | X750 | DCCCXXV |
| C | ≤0.15 | ≤0.1 | 0.05-0.15 | ≤0.08 | ≤0.05 | ≤0.08 | ≤0.08 | ≤0.05 |
| Mn | ≤1 | ≤1.5 | ≤0.5 | ≤0.35 | ≤0.5 | ≤0.35 | ≤1 | ≤1 |
| Fe | VI-X | requies | ≤3 | requies | VII-XI | requies | 5-9 | ≥22 |
| P | ≤0.015 | ≤0.02 | ≤0.015 | – | – | – | – | – |
| S | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.01 | ≤0.01 | ≤0.03 |
| Si | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.35 | ≤0.5 | ≤0.35 | ≤0.5 | ≤0.5 |
| Cu | ≤0.5 | ≤1 | – | ≤0.3 | ≤0.5 | ≤0.3 | ≤0.5 | 1.5-3 |
| Ni | ≥72 | 58-63 | ≥44.5 | 50-55 | ≥58 | 50-55 | ≥70 | XXXVIII-XLVI |
| Co | – | – | 10-15 | ≤10 | – | ≤1 | ≤1 | – |
| Al | – | 1-1.7 | 0.8-1.5 | ≤0.8 | – | 0.2-0.8 | 0.4-1 | ≤0.2 |
| Ti | – | – | ≤0.6 | ≤1.15 | – | – | 2.25-2.75 | 0.6-1.2 |
| Cr | XIV-XVII | XXI-XXV | XX-XXIV | XVII-XXI | XXVII-XXXI | XVII-XXI | XIV-XVII | 19.5-23.5 |
| Nb+Ta | – | – | – | 4.75-5.5 | – | 4.75-5.5 | 0.7-1.2 | – |
| Mo | – | – | VIII-X | 2.8-3.3 | – | 2.8-3.3 | – | 2.5-3.5 |
| B | – | – | ≤0.006 | – | – | – | – | – |

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