Wuxi Jinnuo copper Co.,Ltd
Wuxi Jinnuo copper Co.,Ltd
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Typical Physical Properties of BrBNT1.9 (Qbe1.9) Copper Beryllium Alloy:
Density (g/cm3): 8.25
Elastic Modulus(Gpa): 130
Electrical Conductivity: 22-28% IACS
Thermal Expansion Coefficient(m/m℃): 17.5x10-6
Thermal Conductivity(25℃): 105W/m℃
Melting Point (°C): 870
echanical And Electrical Properties of BrBNT1.9 (Qbe1.9) Copper Beryllium Strip:
| Name | Temper | Thickness (mm) | Tensile Strength | Hardness | Elongation (min) |
| MPa | HV | Percent | |||
| Qbe1.9 | Soft | <0.15 | >390 | <120 | >30% |
| 0.15~0.25 | 390~590 | ||||
| >0.25 | 390~590 | ||||
| Hard | <0.15 | >590 | >160 | >3% | |
| 0.15~0.25 | 590~880 | ||||
| >0.25 | 640~930 | ||||
| After Ageing (Soft) | <0.15 | >1080 | >330 | >2% | |
| 0.15~0.25 | 1080~1470 | ||||
| >0.25 | 1130~1470 | ||||
| After Ageing (Hard) | <0.15 | >1080 | >360 | >1.5% | |
| 0.15~0.25 | 1130~1570 | ||||
| >0.25 | 1170~1570 |
