Ningbo Jintian Copper (Group) Co., Ltd.
Ningbo Jintian Copper (Group) Co., Ltd.

What Is Tellurium Copper Strip?

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    Tellurium bronze material, American ASTM standard grade C14500, is a high-conductivity, easy-to-machine copper alloy developed by the United States in the 1960s based on its industrial development needs. This material filled the gap in copper alloy precision machining materials and has been widely used in various industrial fields due to its excellent performance.


    Chemical composition of tellurium copper strip:

    Jintian

    National Standard/American Standard

    Cu

    Te

    P

    O

    JT118

    QTe0.3

    Balance

    0.2-0.3

    ≤0.012

    ≤0.003


    Jintian Copper is a manufacturer of tellurium copper strips and rods. This article mainly introduces tellurium copper strips.


    Tellurium copper strip QTe0.3 (JT118) is a high-conductivity, arc-resistant alloy that can meet low temperature rise and high voltage arc resistance tests at the application end. It is suitable for high voltage DC relays, connectors, automotive terminal connectors, etc.


    copper-strip-roll-20240827-1.jpg


    Characteristics of Tellurium Copper Strip QTe0.3


    Easy Machinability


    Tellurium copper C14500 contains 0.4-0.7% tellurium. The addition of this trace element significantly improves the cutting performance of copper, making it an ideal precision machining material.


    High Conductivity and Thermal Conductivity


    Tellurium copper C14500 retains the high electrical conductivity and high thermal conductivity of copper, making it suitable for electrical components requiring high conductivity and applications requiring efficient heat dissipation.


    Corrosion Resistance and Arc Erosion Resistance


    Tellurium copper C14500 exhibits excellent corrosion resistance and arc erosion resistance in various environments, extending the material's service life.


    Excellent Cold and Hot Processing Properties


    Tellurium copper C14500 has good cold and hot processing properties and can be processed by forging, casting, extrusion, drawing, and stamping.


    Low Temperature Rise


    In operation, the tellurium copper strip has a low temperature rise, reducing the risk of overheating and enhancing system safety and reliability.


    Improved High-Temperature Softening Performance


    Compared with traditional red copper TU1, the high-temperature softening performance of tellurium copper strip is significantly improved, ensuring it maintains good mechanical strength and shape stability in high-temperature environments.


    Physical properties:

    Density

    8.9g/cm3

    Thermal Conductivity @20℃

    355W/(m∙K)

    Specific Heat Capacity

    388J/(kg∙K)

    Elastic Modulus

    110GPa

    Thermal Expansion Coefficient

    17.6x10-6/K

    Processing properties:

    Cold Processing

    Excellent

    Plating Performance

    Good

    Corrosion Resistance

    Excellent

    Resistance Welding Performance

    Good

    Soft Solderability

    Good


    Tellurium copper strip QTe0.3 (JT118) has become an important material in modern industry and technology fields due to its high conductivity, arc resistance, and excellent mechanical properties at high temperatures. Whether in high voltage DC relays, connectors, or automotive terminal connectors, tellurium copper strip QTe0.3 (JT118) demonstrates unparalleled advantages, providing reliable and efficient solutions for various industries. Choosing tellurium copper strip QTe0.3 (JT118) is choosing a future of high performance and sustainable development. Welcome to inquire, contact: Jintian Copper, 0574-83005999.


    Grade

    State

    Thickness (mm)

    Width (mm)

    Tensile Strength (MPa)

    Hardness (HV5)

    Elongation (A11.3%)

    JT118

    H02

    1.0-5.0

    20-400

    245-325

    90-115

    10

    H04

    1.0-5.0

    20-400

    260-350

    95-120

    10