| Gradus | Compositio chimica (% ) ≤ | ||||||||
| GB | ASTM | JIS | Cu | Ni+Co | Fe | Mn | Pb | P | S |
| B5 | - | - | RESPONDEO | 4.5-5.5 | 0.02 | - | ≤0.7 | 0.01 | 0.01 |
| C | MG | Si | Zn | Stannum | Alii | ||||
| 0.03 | - | - | - | - | 0.5 | ||||
| Proprietates mechanicæ | ||||
| Gradus | Temperamentum | Testatio Tensionis | ||
| Robur Tensile Rm/MPa |
Robur Renditionis MPa |
Tentio % |
||
| B5 | O60 | ≥215 | - | ≥32 |
| H04 | ≥370 | - | ≥10 | |
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