Tungsten Copper Square Bar
1. What's Tungsten Copper Square Bar?
Tungsten copper square bar is square cross-section composite material made with tungsten (W) and copper (Cu) as primary components, combining high temperature resistance and arc erosion resistance of tungsten with electrical and thermal conductivity of copper. Because tungsten and copper are mutually insoluble, it is typically produced through powder metallurgy processes, forming composite structure via tungsten skeleton sintering and copper infiltration. CTIA's tungsten copper square bar facilitates positioning, clamping, cutting, and milling, serving for production of EDM electrodes, electrical contact parts, and other conductive components.
2. Features of CTIA's Tungsten Copper Square Bar
(1) Excellent Electrical and Thermal Conductivity: Facilitates electrical and thermal conduction through copper while providing high temperature resistance via tungsten, adapting to high current and high thermal load conditions.
(2) High Temperature and Arc Erosion Resistance: Resists intense heat and erosion from electrical arcs due to high melting point of tungsten, making it suitable for EDM machining and power switch applications.
(3) Adjustable Thermal Expansion: Allows adjustment of thermal expansion coefficient by altering tungsten-copper ratios to match operating temperatures and component assembly requirements.
(4) High Hardness and Wear Resistance: Offers elevated hardness and wear resistance at higher tungsten contents, helping withstand wear caused by repeated contacts and discharge machining.
(5) Easy Machining: Features flat sides for easy clamping, slot milling, and multi-face machining, making it ideal for fabricating parts with planar contact surfaces or uniform cross-sections.
3. Applications of CTIA's Tungsten Copper Square Bar
(1) EDM Electrodes: Used for electrical discharge machining of die steel, cemented carbide, and other hard materials, providing low electrode wear and high machining accuracy.
(2) Resistance Welding Electrodes: Used in resistance welding processes such as spot welding, projection welding, and butt welding, where resistance to sticking and wear helps extend service life.
(3) Power Switch Contacts: Used as conductive contacts and arc-resistant contact components in circuit breakers and switchgear, delivering arc erosion resistance and stable conductivity.
(4) Specialized Conductive Parts: Used for electrical equipment components requiring comprehensive electrical conductivity, thermal conductivity, and high temperature resistance, balancing conductive efficiency with thermal stability.
4. Specifications of CTIA's Tungsten Copper Square Bar
(1) Material Composition: W50Cu50, W55Cu45, W60Cu40, W65Cu35, W70Cu30, W75Cu25, W80Cu20, W85Cu15, W90Cu10, W93Cu7
(2) Cross-Sectional Dimensions: 6×6 to 50×50 mm, customizable
(3) Length: 100 to 300 mm, customizable
(4) Dimensional Tolerance: Cross-sectional dimensions, length, and flatness tolerances can be customized according to customer requirements.
CTIA GROUP has nearly 30 years of experience in tungsten copper alloy manufacturing, with extensive expertise in powder metallurgy and precision machining. CTIA provides material selection, structural design, dimensional customization, and precision machining for tungsten copper square bars to meet the requirements of electrical discharge machining electrodes, electrical contacts, and other precision conductive components.
For any inquiry, please contact tungsten copper manufacturer: CTIA GROUP
Email: sales@chinatungsten.com
Tel: 0086 592 5129696 / 0086 592 5129595
Website: tungsten-copper.com
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