| Magnus | Compositio chimica (%)≤ | ||||||||||||||
| GB | ASTM | EN | Cu | Ni + Co | Fe | Mn | Pb | P | S | C | MG | Si | Zn | Stannum | other | 
| B19 | RESPONDEO | 18-20 | 0.5 | 0.5 | 0.005 | 0.01 | 0.01 | 0.05 | 0.05 | 0.15 | 0.3 | 1.8 | |||
| Magnus | Temperamentum | Crassitudo | Dureza HV | Testatio Tensionis | |
| Robur Tensile Rm\/MPa | Tentio % | ||||
| B19 | O60 | ≤0.2 | - | ≥290 | ≥25 | 
| H04 | ≥390 | ≥3 | |||
