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Oxygen Free High Conductivity Tellurium Copper - China Suppliers & Factory with Superior Properties

Kepai, a leading supplier in China, has revolutionized the production of oxygen-free high conductivity tellurium copper, boasting independent intellectual property rights. Our advanced manufacturing process ensures high corrosion resistance and extremely low oxygen content, making our tellurium copper an excellent choice for various applications. Known for its superior cold-working and hot-working capabilities, as well as easy machinability, our product offers remarkable electrical and thermal conductivity. Trust Kepai's factory for high-quality tellurium copper that meets global standards

    Kepai innovated the production process and developed oxygen free high conductivity tellurium copper with independent intellectual property rights.
    High corrosion-resistant
    Low oxygen content (lower than 10ppm)
    Extremely easy cutting non-stick tool
    Good cold-working and hot working ability
    High electrical and thermal conductivity
    Excellent welding resistance

    The oxygen free high conductivity tellurium copper has extremely low oxygen content (the oxygen content level is equivalent to TU0 / C10200, less than 10ppm), great mechanical, physical and fabrication properties:

    Tensile Strength RmMpa ≥260
    Yield Strength δ0.5Mpa ≥205
    Elongation % ≥12
    Coefficient of elasticity 117000 Mpa
    Heat conductivity 415 W/(m·K)
    Electrical Conductivity %IACS ≥97
    Hardness HRB 30-55
    Softening temp. 350℃
    Cold worked capacity Excellent
    Hot formed capacity Excellent
    Hot working temp. 750-875℃
    Annealing temp. 425-650℃
    Applications of OFT copper:

    Hardware Processing Industry

    Complex, precision electrical components and precision machining parts.

    Cutting & Welding Industry

    Plasma and laser welding nozzle components.

    Medium & Low Voltage Industry

    Contact points and components of automobile electromagnetic switch systems.

    New Energy Industry

    Automobile terminals, high current charging gun connectors, and lithium-ion battery poles.

    Why choose our oxygen-free high-conductivity tellurium copper?

    In fields such as 5G communications and semiconductor packaging, conventional copper materials are prone to hydrogen embrittlement due to high oxygen content, leading to device failure. Our oxygen-free high-conductivity tellurium copper, with an oxygen content of ≤0.003% and micro-alloyed with tellurium, eliminates the risk of hydrogen embrittlement while maintaining industry-leading electrical conductivity.

    Frequently Asked Questions (FAQ)
    What is oxygen-free high-conductivity tellurium copper?
    It is an advanced copper alloy developed by Kepai with independent intellectual property rights. It features extremely low oxygen content (less than 10ppm) and offers high electrical and thermal conductivity, combined with excellent machining properties.
    What are the primary benefits of using this alloy over standard copper?
    It offers high corrosion resistance, low oxygen content (less than 10ppm), excellent welding resistance, good cold/hot workability, and is extremely easy to cut without sticking to tools, ensuring high precision.
    How does it prevent hydrogen embrittlement?
    Conventional coppers are prone to hydrogen embrittlement in high-temperature processes due to high oxygen levels. Our alloy has an oxygen content level of ≤0.003% (≤10ppm), which effectively eliminates the risk of hydrogen embrittlement.
    What industries benefit most from OFT copper?
    It is widely applied in 5G communications, semiconductor packaging, precision hardware processing, plasma/laser cutting, medium-to-low voltage switchgear, and new energy vehicle components like charging connectors.
    What are the electrical and thermal properties of this material?
    It possesses an electrical conductivity of ≥97% IACS and a thermal conductivity coefficient of 415 W/(m·K), ensuring excellent energy transfer and heat dissipation.

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