C44500Return
【chemical composition】Chemical Composition(%)
| Cu | Sn | Zn+ Other | |||
| 70%-73% | 0.8%- 1.5% | Balance |
*chemical compositionFor reference only
【physical characteristics】Physical Properties
| Density | proportion | g/cm3 | 8.5 |
| Electrical Conductivity | Conductivity[note -] | %IACS | 23 |
| Thermal Conductivity | heat conductionsystemnumber | W/(m. K) | 120 |
| Coefficient of Thermal Expansion | thermal expansionsystemnumber | 10 -6/K | 20.2 |
| Modulus of Elasticity | elasticsystemnumber | GPa (kN/mm2) | 110 |
Stress Relaxation(Remaining Stress) Rate 150°C X 1000h | Stress relaxation rate | % | 60 |
The above values are average reference values for reference only
Note 1: this value is the lowestTemperAs benchmark
【mechanical properties】Mechanical Properties
| Temper | Tensile Strength MPa (N/mm2) | Yield Strength MPa (N/mm2) | Elongation % | Hardness HV | Bendability 90°Bend | |
| state | Tensile strength | proof stress | elongation | hardness | thickness≤0.5mm | |
| G/W | B/W | |||||
| 1/2H | 470-550 | - | ≧15 | 140-180 | 0 | 0 |
| H | 600-680 | - | ≧5 | 180-220 | 0 | 1.5 |
| EH | 670-770 | - | - | 190-235 | 0 | 6 |
| SH | 730 810 | - | - | 200-245 | 0.4 | - |
| ESH | 780-870 | - | - | >200 | 1 | - |
*hardnessFor reference only
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