Tungsten Alloy Counterweight
1. What's Tungsten Alloy Counterweight?
Tungsten alloy counterweight is high-density counterweight component made primarily of tungsten (typically 90%–97% content), with binder metals such as nickel (Ni), iron (Fe), or copper (Cu) added, and produced through powder metallurgy liquid-phase sintering. CTIA's tungsten alloy counterweight provides precise mass distribution in limited spaces through high density, enabling structural balance, center-of-gravity adjustment, inertia control, and vibration suppression. Compared with traditional steel or lead counterweights, it offers smaller volume and more stable performance, making it the preferred solution in aerospace, marine, automotive, precision instruments, and other fields.
2. Features of CTIA's Tungsten Alloy Counterweight
(1) High Density, Compact Volume: Density reaches 16.5–18.8 g/cm³, approximately 1.5–1.6 times that of lead and 2.2–2.4 times that of steel. Under the same mass, volume can be reduced by more than 50%, making it especially suitable for space-constrained designs.
(2) Excellent Mechanical Properties: Tensile strength of 700–1200 MPa, hardness of about 25–35 HRC, combined with good impact toughness and fatigue strength, capable of withstanding high-speed rotation and dynamic loads.
(3) Strong Environmental Adaptability: Corrosion-resistant and oxidation-resistant; can serve stably long-term in thermal environments of 400–800 °C and acidic/alkaline media. Non-toxic and non-radioactive, compliant with RoHS and other environmental requirements.
(4) Good Machinability: Can undergo precision machining such as turning, milling, drilling, and tapping, or form complex irregular structures, facilitating threaded adjustment and precise counterweighting.
3. Types of CTIA's Tungsten Alloy Counterweight
(1) Tungsten Alloy Block Counterweight: The most widely used form, suitable for mass adjustment and center-of-gravity optimization in automobiles, mechanical equipment, industrial automation equipment, and aerospace structures.
(2) Tungsten Alloy Rod Counterweight: Features a slender structure, suitable for narrow and long installation spaces or components requiring axial mass addition. Commonly used for balance adjustment in engines, crankshafts, rotating mechanisms, robots, and precision equipment.
(3) Tungsten Alloy Ball Counterweight: Characterized by small volume and concentrated mass. Can be used in rotating parts, balancing mechanisms, and special motion structures. Mass compensation and dynamic balance are achieved by adjusting the number and position of installation.
(4) Tungsten Alloy Plate Counterweight: Suitable for space-constrained installation structures. Precise mass control is achieved through stacking or adjusting installation positions. Commonly used in electronic devices, medical equipment, precision instruments, and sports equipment.
(5) Tungsten Alloy Ring Counterweight: Mainly used for shafts, rotating structures, and annular components. Improve rotational balance through annular mass distribution and reduce vibration caused by eccentricity.
(6) Tungsten Alloy Clip, Screw, and Fastener Counterweights: Feature flexible installation and convenient fixation, suitable for equipment structures requiring quick installation or limited space.
4. Applications of CTIA's Tungsten Alloy Counterweight
(1) Automotive & Racing: Applied in crankshafts, engines, hubs, chassis, gearboxes and flywheels to achieve dynamic balance and center-of-gravity optimization.
(2) Consumer Electronics & Precision Devices: Used in gaming mice, mobile phone vibrators, cameras, gimbals, automatic watch rotors, pinewood derby cars and toys for precise mass fine-tuning and vibration control.
(3) Medical Equipment: Employed in CT (Computed Tomography), MRI (Magnetic Resonance Imaging) and radiotherapy equipment, balancing mass distribution with radiation shielding.
(4) Aerospace: Utilized in aircraft and helicopter rotors and propellers, satellite gyroscopes and momentum wheels, drones and rocket control surfaces to enhance flight stability and inertia control.
(5) Defense & Military: Adopted in artillery and aviation weapon systems to ensure structural stability.
(6) Sports Equipment: Integrated into golf club heads, darts, fishing rods, tennis rackets, badminton rackets, rowing boats, sailboats, skis and fitness equipment to optimize handling feel and center of gravity.
(7) Ships & Ocean Engineering: Applied as ship ballast counterweights to enhance navigation stability.
(8) Industrial Automation & Robotics: Used as balance weights for machine tool spindles, centrifuges and steam turbines, as well as in optical and precision instruments, oil drilling weighted rods and logging inclinometers to suppress vibration and improve operating precision.
5. Specifications of CTIA's Tungsten Alloy Counterweight
(1) Materials: W-Ni-Fe, W-Ni-Cu
(2) Tungsten Content: 90%–97%
(3) Density: 16.5–18.8 g/cm³
(4) Grades: 90WNiFe, 93WNiFe, 95WNiFe, 97WNiFe, 90WNiCu, 95WNiCu, 97WNiCu
(5) Types: Block, plate, rod, ball, ring, screw, and customized parts
(6) Dimensions: Customizable
CTIA GROUP (CTIA) has nearly 30 years of experience in tungsten alloy manufacturing, with integrated capabilities covering material preparation, powder metallurgy forming, liquid-phase sintering, and precision machining. CTIA provides tungsten alloy counterweight products in different material systems, tungsten contents, and structural configurations for automotive, aerospace, medical equipment, consumer electronics, industrial automation, and precision instrumentation, with precision customization based on customer requirements to meet needs for quality control, structural integration, and long-term operational stability.
For any inquiry, please contact tungsten alloy manufacturer: CTIA GROUP
Email: sales@chinatungsten.com
Tel: 0086 592 5129696 / 0086 592 5129595
Website: tungsten-alloy.com
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