C17300 Beryllium Copper Alloy - High-Performance Material from China Suppliers & Factory for Precision Industries
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) | Balance |
2. Physical Properties
| Property | Value |
|---|---|
| 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 and fatigue resistance
Good corrosion resistance
4. Application Fields
Precision electronic connectors & pins
Aerospace components
Key automotive industry components
Elastic elements & wear-resistant parts
High-speed automatic lathe parts
Frequently Asked Questions (FAQ)
What is C17300 beryllium copper?
C17300 is a high-performance copper alloy containing beryllium and a small amount of lead. It is designed to offer the same mechanical properties as C17200 but with significantly improved machinability.
Why is lead added to the C17300 chemical composition?
Lead (0.2-0.6%) is added to C17300 to act as a chip breaker during machining processes. This yields outstanding cutting performance and extends tool life when processed on high-speed automatic lathes.
What are the primary physical properties of C17300?
C17300 has a density of 8.3 g/cm³, an elastic modulus of 128 GPa, a thermal conductivity of 105 W/(m·K), and a melting point range of 870 to 980℃.
Does C17300 offer good corrosion resistance?
Yes, C17300 exhibits excellent corrosion resistance, making it highly reliable for precision components used in demanding environments like aerospace and automotive systems.
What are the typical applications for C17300?
It is commonly used to manufacture precision electronic connectors, pins, aerospace components, key automotive parts, elastic elements, and wear-resistant components.




