| Grand | Chemical Composition(%)≤ | ||||||||||||||
| GB | ASTM | EN | Cu | Ni＋Co | Fe | Mn | Pb | P | S | C | Mg | Si | Zn | Sn | other |
| BFe30-1-1 | C71700 | CuNi30 | Balance | 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 | |
| Grand | Temper | Thickness | Hardness HV |
Tension test | |
| Tensile Strength Rm/MPa |
Elongation % |
||||
| BFe30-1-1 | O60 | ≤0.2 | - | ≥370 | ≥23 |
| H04 | ≥540 | ≥3 | |||
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