Custom Competitive Material Beryllium Copper C17300 Suppliers, Factories

C17300 is a high-performance beryllium copper alloy with high strength, high conductivity and excellent heat resistance, which is widely used in electronic and electrical, automotive, aerospace and other fields. Its unique combination of properties makes it an ideal material for high-end manufacturing and precision engineering.

Product Description

Basic features of the C17300

Component composition

  • 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

Mechanical property

  • Tensile strength: 800-1200 MPa (after heat treatment)
  • Hardness: HRC 38-42 (after age hardening)
  • Elongation: 5%-10%, both strength and toughness

Physical property

  • 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.
Competitive Material Beryllium Copper C17300 (5)

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.

Competitive Material Beryllium Copper C17300 (3)

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.

Competitive Material Beryllium Copper C17300 (4)

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.
Competitive Material Beryllium Copper C17300 (2)

Frequently Asked Questions (FAQ)

Q1: What are the main components of C17300 Beryllium Copper?

C17300 is primarily composed of Copper (97.5% - 98.5%), Beryllium (1.8% - 2.0%), and Cobalt (0.2% - 0.6%) which provides high strength, hardness, and heat resistance.

Q2: What tensile strength can C17300 achieve after heat treatment?

Following age hardening and heat treatment, C17300 Beryllium Copper can achieve an outstanding tensile strength range of 800 to 1200 MPa.

Q3: How does the electrical and thermal conductivity of C17300 perform?

C17300 exhibits an electrical conductivity of 45%-50% IACS and a thermal conductivity of 105-120 W/m·K, providing a perfect balance of mechanical durability and high conductivity.

Q4: What industries benefit most from using C17300?

C17300 is extensively utilized in the electronics and electrical sector (for connectors and relays), the automotive industry (sensors and charging contacts), aerospace (fasteners and springs), industrial tooling (molds and electrodes), and new energy systems.

Q5: Is C17300 compliant with global environmental standards?

Yes. Despite containing beryllium (1.8%-2.0%), it is handled under strict safety protocols and is 100% recyclable, fully conforming to RoHS and REACH environmental regulations.

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