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High Conductivity And High Strength Copper Alloy
Overview:
QBD-6 is a new type of copper alloy material independently developed and patented by Zhejiang Bada Copper. It is widely used in lead frame materials, battery pack connection sheets, deflectors and other fields.
Keywords:
高精度黄铜
Category:
Product Center
High Conductivity And High Strength Copper Alloy
Product Status & Mechanical Properties
TERMINAL SERIES
| Sn | Ni | P | Zn | Cu |
| 0.8-2.2% | 0.5-1.0% | 0.03-0.15% | 0.2-0.5% | 余量 |
Physical Properties Table QBD-6
| ALLYO NO | QBD-6 |
| Density（ g/cm³） | 8.9 |
| Electrical conductivity（ %IACS） | ＞ 34 |
| resistivity（μΩ.cm） | 47.89*10^-3 |
| Thermal Conductivity（ w/m.k） | 142 |
| CTE（ cm/cm/ °C ） | 17.2*10^-6 |
Mechanical properties table QBD-6
| Alloy grade | （Alloy No） | QBD-6 |
| Tensile strength(N/m㎡) | 1/4H | — |
| 1/2H | — | |
| 3/4H | — | |
| H | 450-520 | |
| EH | 520-650 | |
| Elongation(%) | 1/4H | — |
| 1/2H | — | |
| 3/4H | — | |
| H | ≥7 | |
| EH | ≥4 | |
| Vickers hardness(HV) | 1/4H | — |
| 1/2H | — | |
| 3/4H | — | |
| H | 130-160 | |
| EH | 160-195 |
Conductive strength
QBD-6 Summary
| Materials | Conductivity%IACS | Thermal conductivity w/m.k | Elongation rate% | Tensile after welding (required＞N 100N） | Elasticity Failure Mpa | High temperature softening performance |
| QBD-6 | 38% | 142 | ≥18 | 114N | 80 | After 2 minutes at 450°C, it can reach 80% of the hardness at room temperature |
| Nickel sheets | 25.20% | 88 | 20.3 | 126N | 59 | After 2 minutes at 450°C, it can reach 60% of the hardness at room temperature |
| Red copper | 98.50% | 383 | 30 | / | 33.3 | After 2 minutes at 450°C, it can reach 20% of the hardness at room temperature |
Safe current carrying capacity: red copper > QBD-6 > pure nickel
Overall applicability: QBD-6>nickel sheet>red copper
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