High Strength Copper Contact Wire for Long Term in Railway Systems
High-Strength Copper Contact Wire for Long-Term in Railway Systems
Copper contact wire is an electrical connection device commonly used in electrified railway, urban rail transit, mine conveyor and other systems, and its main role is to transmit power. It is usually made of copper, has good conductivity and strength, and can withstand high strength mechanical and electrical loads.
The specifications of copper contact wire used in electrified railway mainly include 85mm², 110mm², 120mm², 150mm² and so on. The specifications of copper contact wires are usually classified according to their cross-sectional area, and different specifications of copper contact wires have different electrical properties and mechanical strengths to meet the needs of different electrified railways.
When choosing copper contact wire specifications, factors such as the running speed of the railway, load capacity, current capacity and other factors need to be considered to ensure that the contact wire can safely and reliably transmit electricity.
The advantages of copper contact wire include:
- Excellent conductivity: copper contact wire is made of high-quality copper material with good conductivity, which can ensure the efficiency and stability of power transmission.
- High strength and oxidation resistance: Copper contact wire is made of high quality materials with high strength and oxidation resistance, which can withstand high strength mechanical and electrical loads and is not easily affected by oxidation in long-term use.
- Easy to maintain: Copper contact wire has a simple structure, easy to maintain, and can be replaced with separate parts when damaged, making it easy to repair.
- Stable and reliable: Copper contact wire can ensure the stability and reliability of power transmission, thus ensuring the normal operation of the whole tram system.
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 | |||||||
Copper contact wire is used to transmit power to a pantograph of a locomotive. It is also used in power generation, power transmission, power distribution, telecommunications, electronics circuitry, and countless types of electrical equipment. Copper is a superior conductor of electricity and has a low resistance. It is also ductile, inexpensive, and provides an excellent contact surface
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.
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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