CuMg0.4/2.1322 High Temperature Alloy Wire For High-Stress
Applications
CuMg0.4 (2.1322) is a copper-magnesium alloy wire known for its high strength, good conductivity, and excellent corrosion
resistance. With 0.4% magnesium, it offers improved mechanical properties while maintaining good
electrical performance. CuMg0.4 (also known as 2.1322) is a Copper-Magnesium (Cu-Mg) alloy wire that combines the excellent electrical and thermal
conductivity of copper with the strength and corrosion resistance
of magnesium. It is primarily used in applications requiring high conductivity, lightweight properties, and mechanical strength.
| Chemical Composition Wt.% | % | Mg | Other | Cu |
| Min | 0.3 |
| |
| Max | 0.5 | 0.3 | Bal. |
| Physical Constants | Density(g/cm³) | 8.89 |
| Melting Range(℃) | 1083°C |
Trade Code
Key Features:
- High tensile strength (up to 500 MPa), making it suitable for demanding mechanical
applications.
- Good electrical conductivity (~50-60% IACS), balancing strength and conductivity.
- Excellent corrosion and oxidation resistance, ideal for outdoor and high-temperature applications.
- Lightweight alternative to pure copper, reducing material costs and weight.
Applications
- Overhead Electrical Conductors: Used in power transmission lines due to its balance of strength
and conductivity.
- Automotive Wiring & Components: Used in electric vehicles (EVs) and automotive power cables.
- Railway & High-Speed Trains: Employed in catenary wires for railway electrification.
- Telecommunication Wires: Used in signal and transmission cables.
- Aerospace & Military Applications: Suitable for lightweight electrical components.
Advantages
- High Strength & Lightweight: Compared to pure copper, CuMg0.4 has better mechanical strength
while maintaining relatively low density.
- Good Electrical Conductivity: Although lower than pure copper, it still maintains high
electrical efficiency.
- Corrosion Resistance: Enhanced resistance to oxidation and corrosion compared to
standard copper alloys.
- Wear Resistance: Suitable for applications requiring long-term durability.
