Sinbo Precision Mechanical Co., Ltd.
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Copper alloy conductive blocks are critical components for current transmission, sliding contact, and wear-resistant applications in electrical and industrial equipment. We use high-performance copper alloys such as chromium copper (e.g., C70600) and beryllium copper, processed via precision CNC machining, to ensure high conductivity, wear resistance, and longevity. These blocks are widely applied in rail transit pantographs, industrial motors, and welding equipment, capable of withstanding high-current loads and mechanical abrasion. As a specialized precision machining supplier, we offer end-to-end services from material selection to finished product processing, meeting strict requirements for accuracy and reliability.
| Parameter | Typical Value/Range | Standard |
|---|---|---|
| Material | Chromium Copper, Beryllium Copper, CuMg0.4 | ASTM B103 |
| Conductivity | 18-90% IACS | IEC 60468 |
| Hardness | 36-42 HRC (Chromium Copper) | ASTM E18 |
| Tensile Strength | ≥250-1000 MPa | ASTM E8 |
| Density | 8.3-8.9 g/cm³ | ASTM B311 |
| Operating Temperature | -50℃ to +150℃ | MIL-STD-810 |
| Thermal Conductivity | ≥105 W/m·K (20℃) | ASTM E1225 |
| Arc Resistance | ≥100,000 cycles (no significant erosion) | IEC 61621 |
We provide full customization: