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| Grade | Chemical composition（%） | Thickness(mm) | ||||
| ASTM | Cu | Cr | Sn | Zn | Si | 0.08-1.5 |
| C18045 | ≥99.1 | 0.20-0.35 | 0.20-0.30 | 0.15-0.3 | ≤0.05 | |
| Physical properties | ||||||
| Density (g/cm³) |
Modulus of elasticity (GPa) |
Thermal expansion coefficient (×10-6/K) |
Electrical conductivity (%IACS) |
Thermal conductivity W(m·K) |
||
| 8.9 | 127 | 17 | 71 | 300 | ||
| Mechanical properties | Bend properties | |||||
| Temper | Hardness HV |
Tension test | 90°R/T(Thick＜0.5mm) | |||
| Tensile Strength Rm/MPa |
Yield Strength MPa |
Elongation % |
Good way | Bad way | ||
| H02(1/2H) | 160-195 | 490-588 | – | ≥5 | 0 | 0 |
| H06(EH) | 180-210 | 588-637 | – | ≥3 | 0.5 | 0.5 |
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