High Conductivity And High Strength Copper Alloy
General description:
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.
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High Conductivity And High Strength Copper Alloy
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
High Precision Brass
High Conductivity And High Strength Copper Alloy
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.
Scope of application of high-precision brass: complex cold-drawn and deep-drawn hardware, radiators, automotive connectors, terminals, relays, buttons, handicrafts, battery shrapnel, etc.
High-precision phosphor bronze application scope: wear-resistant components and elastic components, connectors, high-tech industry connectors, electronic and electrical springs, switches, electronic product slots, buttons, electrical connectors, lead frames, vibrating sheets and terminals, etc.
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