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High-Performance C17300 Beryllium Copper Alloy from China Suppliers | Trusted Factory for Precision Engineering

C17300 is a premium beryllium copper alloy renowned for its exceptional strength, outstanding electrical conductivity, and remarkable heat resistance. This high-performance material is widely utilized across various industries, including electronics, automotive, aerospace, and more. As one of the leading suppliers and factories in China, we provide this unique alloy, perfect for high-end manufacturing and precision engineering applications. Our C17300 beryllium copper alloy offers an ideal solution for businesses looking to enhance their product quality and performance
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    Product Detail

    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/℃ (suitable for electronic packaging)
    Heat resistance: Maintains tensile strength > 600 MPa at 300℃.
    Competitive Material Beryllium Copper C17300 (5)

    The outstanding advantages of C17300

    High strength combined with high conductivity: C17300 balances these two points perfectly through the addition of beryllium and cobalt, especially suitable for high-load and high-current application scenarios.

    Excellent wear and fatigue resistance: Precipitation strengthening makes the material have very high wear resistance, suitable for springs, bearings and parts withstanding long-term friction.

    Good processing performance: Easy to cut, press and form, excellent surface treatment performance for complex precision parts.

    Corrosion resistance: Stable performance in humid, high temperature or chemical corrosion environments, ensuring long service life.

    Competitive Material Beryllium Copper C17300 (3)

    The main application areas of C17300

    Electronic and electrical

    Connectors, relays and switches for stable signal transmission.

    Automobile industry

    Sensors, high voltage relays, and charging pile contacts.

    Aerospace

    Fasteners, springs, and bearings with lightweight, high strength characteristics.

    Industrial equipment

    Molds, electrodes, and welding parts with high temperature resistance.

    New energy field

    Fuel cell bipolar plates and wind power conductive slip rings.

    Competitive Material Beryllium Copper C17300 (4)

    Environmental protection and safety

    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)
    What is the primary composition of C17300 beryllium copper?
    C17300 consists mainly of Copper (97.5%-98.5%), with 1.8%-2.0% Beryllium for strength and 0.2%-0.6% Cobalt for enhanced heat and wear resistance.
    What is the hardness of C17300 after heat treatment?
    After age hardening, C17300 typically reaches a hardness of HRC 38-42, combined with a tensile strength of 800-1200 MPa.
    Can C17300 be used in high-temperature environments?
    Yes, C17300 maintains excellent heat resistance, retaining a tensile strength of more than 600 MPa even at temperatures as high as 300℃.
    Is C17300 suitable for precision electronic components?
    Absolutely. Its high conductivity (45%-50% IACS) and thermal expansion coefficient similar to silicon chips make it ideal for electronic packaging and high-precision connectors.
    Is C17300 compliant with international environmental standards?
    Yes, C17300 is 100% recyclable and complies with major environmental standards including RoHS and REACH.
    What are the main industrial applications for this alloy?
    It is widely used in the automotive industry (sensors, charging piles), aerospace (fasteners, bearings), and the electronic sector (relays, switches).

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