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| Grand | Chemical Composition(%)≤ | ||||||||||||||
| GB | ASTM | EN | Cu | Ni＋Co | Fe | Mn | Pb | P | S | C | Mg | Si | Zn | Sn | other |
| B5 | – | – | Balance | 4.5-5.5 | 0.02 | 0.01 | 0.01 | 0.01 | 0.03 | 0.5 | |||||
| Grand | Temper | Thickness | Hardness HV |
Tension test | |
| Tensile Strength Rm/MPa |
Elongation % |
||||
| B5 | O60 | ≤0.2 | – | ≥215 | ≥32 |
| H04 | ≥370 | ≥10 | |||
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