| Kubwa | Mchanganyiko wa Kimia (%)≤ | ||||||||||||||
| GB | ASTM | EN | Cu | Ni + Co | Fe | Mn | Pb | P | S | C | Mg | Si | Zn | Sn | nyingine |
| BFe30-1-1 | C71700 | CuNi30 | Mizani | 29-32 | 0.5-1.0 | 0.5-1.2 | 0.02 | 0.006 | 0.01 | 0.06 | 0.15 | 0.3 | 0.03 | 0.7 | |
| Kubwa | Temper | Unene | Ugumu HV |
Mtihani wa Kupakama | |
| Nguvu ya Kuvuta Rm/MPa |
Ukong'era % |
||||
| BFe30-1-1 | O60 | ≤0.2 | - | ≥370 | ≥23 |
| H04 | ≥540 | ≥3 | |||

