C17300 Beryllium Copper Alloy - High-Performance Material from China Suppliers & Factory
1. Chemical Composition
| Element | Content (%) |
|---|---|
| Beryllium (Be) | 1.8 - 2.2 |
| Lead (Pb) | 0.2 - 0.6 |
| Cobalt (Co) + Nickel (Ni) | ≥ 0.2 |
| Copper (Cu) | Remainder |
2. Physical Properties
| Project | Values |
|---|---|
| Density | 8.3 g/cm³ |
| Elastic modulus | 128 GPa |
| Thermal conductivity | 105 W/(m·K) |
| Melting point range | 870 – 980 ℃ |
3. Main Performance Characteristics
High strength and high hardness
Excellent electrical conductivity
Outstanding cutting performance
Good wear resistance and fatigue resistance
Good corrosion resistance
4. Application Fields
Precision electronic connectors, pins
Aerospace components
Key components of the automotive industry
Elastic elements and wear-resistant parts
High-speed automatic lathe processing parts
Frequently Asked Questions (FAQ)
What is C17300 Beryllium Copper?
C17300 is a high-performance beryllium copper alloy containing a small amount of lead (Pb). It offers high strength, excellent electrical and thermal conductivity, and outstanding free-cutting performance.
Why is Lead (Pb) added to C17300?
Lead is added to C17300 (0.2-0.6%) to act as a chip breaker, which significantly improves the alloy's machinability. This makes it ideal for high-speed automatic lathe processing.
What are the main physical properties of C17300?
It features a density of 8.3 g/cm³, an elastic modulus of 128 GPa, thermal conductivity of 105 W/(m·K), and a melting point range of 870 to 980℃.
Is C17300 wear-resistant?
Yes, C17300 exhibits good wear resistance, high fatigue resistance, and excellent corrosion resistance, making it suitable for heavy-duty elastic elements and wear-resistant parts.
What industries typically use C17300 components?
C17300 is widely used in precision electronics (connectors, pins), aerospace engineering, automotive manufacturing, and high-speed lathe-machined industrial parts.




