High-Performance Beryllium Copper C17300 - China Suppliers & Factory for Precision Engineering Solutions
Basic features of the C17300
- Copper (Cu): the main matrix, accounting for about 97.5% to 98.5%
- Beryllium (Be): 1.8%-2.0%, providing high strength and hardness
- Cobalt (Co): 0.2%-0.6%, enhanced heat resistance and wear resistance
- Tensile strength: 800-1200 MPa (after heat treatment)
- Hardness: HRC 38-42 (after age hardening)
- Elongation: 5%-10%, both strength and toughness
- Conductivity: 45%-50% IACS (International Annealed Copper Standard)
- Thermal conductivity: 105-120 W/m·K
- Thermal expansion coefficient: 17.5×10⁻⁶/℃ (similar to silicon chip, suitable for electronic packaging)
- Heat resistance: It can still maintain the tensile strength of more than 600 MPa at 300℃, which is suitable for high temperature environment.
The outstanding advantages of C17300
High strength combined with high conductivity
It is difficult for ordinary copper alloys to meet high strength and high conductivity at the same time, and the C17300 balances these two points perfectly through the addition of beryllium and cobalt, which is especially suitable for high-load and high-current application scenarios.
Excellent wear and fatigue resistance
The precipitation strengthening of beryllium makes the material have very high wear resistance, which is suitable for the manufacture of springs, bearings and other parts that need to withstand friction for a long time.
Good processing performance
Easy to cut, press and form, excellent surface treatment performance, suitable for the manufacture of complex shapes of precision parts.
Corrosion resistance
Stable performance in humid, high temperature or chemical corrosion environment, long service life.
The main application areas of C17300
Electronic and electrical industry
It is used to manufacture high-precision components such as connectors, relays and switches to ensure the stability and reliability of signal transmission.
Automobile industry
Manufacturing sensors, high voltage relays, charging pile contacts, etc., to meet the stringent requirements of high temperature and high current.
Aerospace
Used to manufacture fasteners, springs, bearings and other key components, with lightweight, high strength characteristics.
Industrial equipment
Manufacturing mold, electrode, welding, etc., wear resistance, high temperature resistance, extend the service life of equipment.
New energy field
Used for fuel cell bipolar plate, wind power conductive slip ring, etc., to meet the needs of high conductivity and corrosion resistance.
Environmental protection and safety of C17300
- The content of beryllium is low (1.8%-2.0%), and strict protective measures are taken during processing to ensure safety.
- The material can be recycled 100%, in line with RoHS, REACH and other environmental standards.
Frequently Asked Questions (FAQ)
What is the chemical composition of C17300?
C17300 consists mainly of Copper (Cu) at approximately 97.5% to 98.5%, Beryllium (Be) at 1.8% to 2.0% for strength, and Cobalt (Co) at 0.2% to 0.6% to improve heat and wear resistance.
What are the key mechanical properties of C17300?
After heat treatment, C17300 features a tensile strength of 800-1200 MPa, a hardness of HRC 38-42 after age hardening, and an elongation rate of 5%-10%.
How conductive is C17300 Beryllium Copper?
C17300 offers an electrical conductivity of 45%-50% IACS (International Annealed Copper Standard) and has a thermal conductivity of 105-120 W/m·K.
Where is C17300 alloy typically used?
It is widely used in the electronic and electrical industries (connectors, relays), the automotive industry (sensors, high-voltage relays), aerospace (fasteners, bearings), industrial equipment (molds, welding electrodes), and new energy applications.
Is C17300 environmentally compliant and safe?
Yes. C17300 is 100% recyclable and complies with environmental guidelines such as RoHS and REACH. Its low beryllium content (1.8%-2.0%) is processed under strict safety measures.