Long Service Life Copper Contact Wire Soft Corrosion Resistant
Long Service Life Copper Contact Wire Soft Corrosion Resistant
Copper contact wire is an electrical conductor primarily composed of copper, designed to facilitate the flow of electric current. It is typically cylindrical in shape and comes in different lengths and diameters to suit various applications.
There are several advantages of using copper contact wire in power transmission and distribution systems:
- High Electrical Conductivity: Copper is an excellent conductor of electricity. It has a high conductivity, surpassed only by silver. This property allows for efficient transmission of electrical power over long distances with minimal losses due to resistance. Copper contact wire helps maximize the efficiency of power transmission, reducing energy wastage.
- High Mechanical Strength: Copper contact wire possesses good mechanical strength, making it suitable for overhead installations and supporting the weight of the wire itself. It can endure tension, compression, and bending forces without significant deformation or breakage, ensuring the longevity and reliability of the power transmission infrastructure.
- Long Service Life: Copper contact wire has a long service life, capable of withstanding the rigors of power transmission and distribution operations. Its durability and resistance to degradation ensure consistent performance over time, reducing the need for frequent replacements and associated costs.
The following are some applications of copper contact wire
- For use as overhead power source for subways, light and heavy transit systems, electrically powered mine trains, buses, and industrial cranes.
- Catenary wire can carry a certain current to reduce the impedance of the traction network, reducing voltage loss and energy consumption.
- Catenary wire material can be divided copper catenary wire, steel catenary wire, aluminum clad steel load-bearing cable. Steel catenary need to take anti-corrosion measures.
Copper Contact Wire Specification:
| EN 50149-2012 | ||||||||||||||
| Material | Designation | Nominal cross section mm² |
Minimum tensile strength MPa |
Minimum breaking load kN |
Percentage elongation after fracture A200 |
Resistance per kilometre(20℃) Ω/Km |
Resistivity (20℃) Ωmm²/m |
Reverse bend test | Torsional | Winding | coefficient of temperature | Wire mass kg/km |
||
| min.% | max.% | complete fracture | Minimum mass | Maximum mass | ||||||||||
| Normal strength copper |
Cu-ETP Cu-FRHC Cu-HCP CuOF |
80 | 355 | 27,5 | 3 | 10 | 0,229 | ≤0.01777 | ≥6 | 5 | 3 | 0.0038 | 690 | 733 |
| 100 | 355 | 34,5 | 3 | 10 | 0,183 | 862 | 916 | |||||||
| 107 | 350 | 36,3 | 3 | 10 | 0,171 | 923 | 980 | |||||||
| 120 | 330 | 38,4 | 3 | 10 | 0,153 | 1035 | 1099 | |||||||
| 150 | 310 | 45,1 | 3 | 10 | 0,122 | 1293 | 1374 | |||||||
| High strength copper and high strength copper-silver alloy |
CuETP CuFRHC CuHCP CuOF CuAg0,1 |
80 | 375 | 29,1 | 3 | 8 | 0,229 | ≤0.01777 | ≥6 | 5 | 3 | 0.0038 | 690 | 733 |
| 100 | 375 | 36,4 | 3 | 8 | 0,183 | 862 | 916 | |||||||
| 107 | 360 | 37,4 | 3 | 8 | 0,171 | 923 | 980 | |||||||
| 120 | 360 | 41,9 | 3 | 8 | 0,153 | 1035 | 1099 | |||||||
| 150 | 360 | 52,4 | 3 | 8 | 0,122 | 1293 | 1374 | |||||||
| Normal strength copper-silver alloy |
CuAg0,1 | 80 | 365 | 28,3 | 3 | 10 | 0,229 | ≤0.01777 | ≥6 | 5 | 3 | 0.0038 | 690 | 733 |
| 100 | 360 | 34,9 | 3 | 10 | 0,183 | 862 | 916 | |||||||
| 107 | 350 | 36,3 | 3 | 10 | 0,171 | 923 | 980 | |||||||
| 120 | 350 | 40,7 | 3 | 10 | 0,153 | 1035 | 1099 | |||||||
| 150 | 350 | 50,9 | 3 | 10 | 0,122 | 1293 | 1374 | |||||||
| Copper magnesium alloy |
CuMg0,2 CuMg0,2 (high conductivity) |
80 | 460 | 35,7 | 3 | 10 | 0,289 | ≤0.02240 ≤0.02155 (high conductivity ) |
≥6 | 5 | 3 | 0.0031 | 690 | 733 |
| 100 | 450 | 43,7 | 3 | 10 | 0,231 | 862 | 916 | |||||||
| 107 | 440 | 45,7 | 3 | 10 | 0,216 | 923 | 980 | |||||||
| 120 | 430 | 50,1 | 3 | 10 | 0,192 | 1035 | 1099 | |||||||
| 150 | 420 | 61.1 | 3 | 10 | 0,154 | 1293 | 1374 | |||||||
| Copper magnesium alloy |
CuMg0,5 | 80 | 520 | 40,4 | 3 | 10 | 0,385 | ≤0.02778 | ≥6 | 5 | 3 | 0.0027 | 690 | 733 |
| 100 | 510 | 49,5 | 3 | 10 | 0,286 | 862 | 916 | |||||||
| 107 | 500 | 51,9 | 3 | 10 | 0,268 | 923 | 980 | |||||||
| 120 | 490 | 57,0 | 3 | 10 | 0,239 | 1035 | 1099 | |||||||
| 150 | 470 | 68,4 | 3 | 10 | 0,191 | 1293 | 1374 | |||||||
| Copper-tin alloy |
CuSn0,2 CuSn0,2 (high conductivity) |
80 | 460 | 35,7 | 2 | 8 | 0,309 | ≤0.02395 ≤0.02155 (high conductivity ) |
≥6 | 5 | 3 | 0.0032 | / | / |
| 100 | 450 | 43,7 | 2.00 | 8.00 | 0,247 | 865 | 919 | |||||||
| 107 | 430 | 44,6 | 2.00 | 8.00 | 0,231 | 926 | 983 | |||||||
| 120 | 420 | 48,9 | 2.00 | 8.00 | 0,206 | 1038 | 1103 | |||||||
| 150 | 420 | 61,1 | 2.00 | 8.00 | 0,165 | 1298 | 1378 | |||||||

Jiangyin Electric Alloy Co., Ltd., formerly known as Jiangyin Electric Alloy Factory, was established on June 12, 1985. It is mainly engaged in the research and development, production, and sales of high-speed rail supporting products. Its main products are copper alloy deep processing products, including railway contact wires, railway load-bearing cables, copper alloy busbars, and other copper components.
Since its establishment, the company has been committed to providing customers with high-quality copper alloy products and services with advanced management systems, strong research and development capabilities, excellent product quality, and comprehensive services.
It has successively cooperated with railway bureaus under the Ministry of Railways, such as Shanghai, Guangzhou, Beijing, Zhengzhou, Chengdu, and other railway bureaus; Locomotive and motor production enterprises of the Ministry of Railways, such as CRRC and national motor and electrical appliance production enterprises, as well as well-known domestic and international enterprises such as Xiangtan Electric, Dongfang Electric, Schneider Electric, Siemens, ABB, GE, etc., have established strategic cooperative relationships and become a licensed supplier of copper and copper alloy stranded wire and contact wire for the China Railway Group Electric Gasification Bureau.
Up to now, we has obtained a series of certifications covering ISO9001/IATF16949 quality management, ISO14001 environmental ,management system certification, ISO45001 occupational health and safety management system, China CCC, PCCC,CRCC, CE etc.
In the future, the company will actively further expand its business in the field of copper alloy applications and gradually establish long-term and stable cooperative relationships with well-known international and domestic manufacturers.



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