C5240Return
【chemical composition】Chemical Composition(%)
| Sn | P | Zn | Fe | Cu+Sn+P | |
| 9.0-11.0 | 0.03-0.35 | 0.2 max | 0.1 max | 99.5 min |
*chemical compositionFor reference only
【physical characteristics】Physical Properties
| Density | proportion | g/cm3 | 8.78 |
| Electrical Conductivity | Conductivity[note -] | %IACS | 10 |
| Thermal Conductivity | heat conductionsystemnumber | W/(m. K) | 50 |
| Coefficient of Thermal Expansion | thermal expansionsystemnumber | 10 -6/K | 18.4 |
| Modulus of Elasticity | elasticsystemnumber | GPa (kN/mm2) | 105 |
Stress Relaxation(Remaining Stress) Rate 150°C X 1000h | Stress relaxation rate | % | 68 |
Stress relaxation rateThe 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 | |||||
| H | 650-750 | ≧540 | ≧11 | 200-240 | 0 | 0 |
| EH | 750-850 | ≧630 | ≧9 | 230-270 | 0 | 1.6 |
| SH | 850-950 | ≧750 | ≧5 | 250-300 | 0.8 | 2.0 |
| ESH | 950-1050 | ≧870 | ≧1 | 260-310 | 1.6 | 3.3 |
| XSH | ≧1000 | ≧930 | — | ≧290 | 2.5 | — |
*hardnessFor reference only
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