Product Description
Chromium Zirconium Copper (CuCrZr) Rod is a high-performance copper alloy known for its excellent combination of strength, electrical conductivity, and thermal resistance. This alloy is primarily composed of copper (Cu) with small additions of chromium (Cr) and zirconium (Zr), which enhance its mechanical and thermal properties.
Additionally, chromium zirconium copper offers fast welding speeds, minimal electrode loss, and low overall welding costs, making it highly suitable for electrode-related fittings in welding machines. However, its performance in electroplated parts is considered average. These properties make CuCrZr a reliable and efficient choice for demanding welding and electrical applications.
Chemical composition(%)
|
Cr |
0.5 - 1.5 |
|
Zr |
0.02 - 0.2 |
|
Cu |
Balance |
Mechanical Properties
|
Temper |
Size |
Tensile Strength |
Yield Strength |
Elongation |
Hardness |
|
mm |
MPa min |
MPa min |
A% min |
HRB min |
|
|
TF00 |
5.0≤Φ≤25 |
656 |
580 |
9 |
90 |
|
25<Φ≤51 |
635 |
550 |
9 |
90 |
|
|
51<Φ≤76 |
620 |
520 |
9 |
90 |
|
|
76<Φ≤100 |
620 |
520 |
9 |
90 |
|
|
100<Φ≤150 |
580 |
520 |
9 |
/ |
Properties of Chromium Zirconium Copper Rod
- High Strength and Hardness:
Offers excellent mechanical strength and hardness, even at elevated temperatures.
Can be further strengthened through age hardening (precipitation hardening).
- Excellent Electrical Conductivity
Retains high electrical conductivity (80-90% IACS), making it suitable for electrical applications.
- Thermal Conductivity
Provides good thermal conductivity, ideal for heat dissipation in high-temperature environments.
- Wear and Corrosion Resistance
Resists wear, abrasion, and corrosion, ensuring durability in harsh conditions.
- Thermal Stability
Maintains mechanical properties at high temperatures, making it suitable for high-heat applications.
- Machinability and Weldability
Can be machined and welded using standard techniques, though it requires proper heat treatment for optimal performance.
Advantages of CuCrZr Rods
- High Strength-to-Conductivity Ratio: Combines high mechanical strength with excellent electrical and thermal conductivity.
- Durability: Resists wear, corrosion, and thermal fatigue, ensuring long service life.
- Versatility: Suitable for a wide range of applications across industries.
- Thermal Stability: Performs reliably in high-temperature environments.
Heat Treatment
- Solution Annealing: Heated to 900-1000°C followed by rapid cooling to dissolve alloying elements.
- Age Hardening: Heated to 450-500°C for several hours to precipitate fine particles, enhancing strength and hardness.
Key Considerations
- Cost: Higher cost compared to standard copper alloys due to its specialized properties.
- Machining: Requires appropriate tools and techniques due to its hardness.
- Heat Treatment: Proper heat treatment is essential to achieve optimal mechanical and electrical properties.
Common Forms of CuCrZr Rods
- Round Rods: Used for machining into components like electrodes and connectors.
- Flat Bars: Suitable for tooling and industrial applications.
- Forged Rods: Used in high-stress applications like aerospace and automotive components.
Test Equipment
Applications of CuCrZr Rods
- Electrical and Electronics
Used in resistance welding electrodes, switchgear components, and electrical connectors due to its high conductivity and strength.
- Automotive Industry
Ideal for high-performance components like brake systems, bearings, and engine parts that require thermal and wear resistance.
- Aerospace and Defense
Employed in rocket nozzles, turbine components, and other high-stress, high-temperature applications.
- Industrial Machinery
Used in molds, dies, and tooling for plastic injection molding and metal forming due to its durability and thermal stability.
- Heat Exchangers and Cooling Systems
Suitable for heat exchangers, heat sinks, and cooling systems in power plants and industrial equipment.
- Railway Systems
Used in overhead catenary systems and other components requiring high strength and conductivity.
Contact Us
Chromium Zirconium Copper (CuCrZr) rods are a premium material that excels in applications requiring high strength, thermal stability, and electrical conductivity. Their unique combination of properties makes them indispensable in industries such as electronics, automotive, aerospace, and industrial manufacturing.For more information, samples, or pricing, feel free to contact us! We are committed to providing high-performance CuCrZr rods solutions for your advanced applications.
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