Factory add:No.131 Gongye Road, Shangjie Zone, Zhengzhou
Office add:12F, Zhengang Mansion, No. 11 Zhengshang Road, Zhengzhou, China
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1.Electrical Equipment Manufacturing: MainlyIncluding Low Voltage, Medium Voltage, High
Voltage Power Distribution, Busbar System, Rectifier, Motor Winding, Etc.;
2.Crane Rail SupplySystem, Vacuum Switchgear, Generator Set, Substation, Bimetallic
ConnectorIn Aluminum Foil Wound Transformer, Etc.;
3.Wind Power, Solar Photovoltaic Field: MainlyIncluding Reactor, inverter, Etc..
4.Railway,Aerospace,High-speed Ferry, Etc.
1. Unigue composite properties, copper-aluminum interface is metallurgical bonding, product performance is high, and it has the characteristics ofcopper conductivity and low aluminum density;
2. High interface bonding strength, excellent conductivity, excellent mechanical processing performance;
3. The copper layer thickness is large and adjustable, suitable for transmitting large currents;
4.Light weight,convenienttransportation and installation;
5. Obvious economic benefits: saving copper resources and reducing production costs.
Comparison table of physical properties of different products at room temperature
| Name | Unit | Copper Bar | Copper-aluminum Composite Bar (VPcu=25%) | ||
| Hard Y | Soft state R | Hard Y | Soft R | ||
| Tensile strength | MN/m2 | – | ≥206 | ≥170 | ≥115 |
| Elongation | % | – | ≥35 | ≥3 | ≥28 |
| Maximum Resistivity | Ω·mm2/m | 0.01777 | 0.017241 | 0.02548 | 0.02498 |
| Minimum Volume Conductivity | %IACS | 97 | 97 | 67.7 | 69 |
| Density | g/cm3 | 8.89 | 8.89 | 4.25 | 4.25 |
| Linear Coefficient of Thermal Expansion | 1/℃ | 17×1010-6 | 17×1010-6 | 22.5×1010-6 | 22.5×1010-6 |
| Temperature Coefficient of Resistance | 1/℃ | 3.81×1010-3 | 3.93×1010-3 | 3.9×1010-3 | 4.0×1010-3 |
