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C17200 High Elastic Beryllium Copper Foil from China Suppliers - Premium Quality Factory Product
Chemical Component
| Element | Content |
| Beryllium (Be) | 1.8 – 2.0 |
| Cobalt + Nickel (Co+Ni) | ≥0.2 |
| Copper (Cu) | Remaining amount |
| Impurities | ≤0.15 |
Mechanical Properties
| Project | Values |
| Tensile strength | 1250 – 1500 MPa |
| Yield strength | ≥1100 MPa |
| Hardness | HV 360 – 430 |
| Elongation | 2 – 8% |
Physical Properties
| Project | Values |
| Density | 8.25 g/cm³ |
| Electrical conductivity | 20 – 28% IACS |
| Thermal conductivity | ≈105 W/m·K |
| Elastic modulus | ≈128 GPa |
Product Features
✔
High elasticity recovery ability, suitable for precision spring clips
✔
Excellent anti-stress relaxation performance, stable over a long period
✔
Strong anti-fatigue performance, suitable for high-frequency usage environments
✔
Smooth surface, without scratches or oxidation
✔
Can undergo electroplating processing
✔
Excellent processing performance
Typical Application Fields
- High-precision connectors, terminals, contact springs
- Relays, push-button switches, elastic elements for temperature control switches
- RF connectors, high-frequency probes
- Battery contact tabs, high-current elastic contacts
- Non-magnetic connectors, fatigue-resistant and highly reliable spring elements
- Satellites, radar high-frequency contact components
- Diaphragms, bellows, pressure gauge elastic elements
- Sensor elastic bodies, micro-displacement mechanisms
Frequently Asked Questions
What is the beryllium content in this alloy?
The beryllium (Be) content in this specific alloy ranges from 1.8% to 2.0%, which provides the optimal balance of strength and conductivity.
What are the mechanical strength properties of this material?
This material exhibits high tensile strength ranging from 1250 to 1500 MPa, a yield strength of ≥1100 MPa, and a hardness of HV 360 to 430.
Does this alloy offer good electrical conductivity?
Yes, it features an electrical conductivity of 20% to 28% IACS, making it highly suitable for electrical connectors and spring contacts.
Can this material be electroplated?
Yes, this alloy has excellent processing performance and is fully compatible with electroplating processes to enhance corrosion resistance or conductivity.
What makes it suitable for precision springs and clips?
It features high elasticity recovery ability, excellent anti-stress relaxation performance, and strong anti-fatigue properties, ensuring long-term stability in high-frequency usage environments.
What are the primary application fields for this material?
It is widely used in high-precision electronics (connectors, switches), aerospace and military components (non-magnetic connectors, radar parts), and precision machinery (diaphragms, bellows, sensors).