Top 10 Most Electrically Conductive Metals
This article presents the Top 10 most electrically conductive metals in the world, ranked by their electrical conductivity (measured in MS/m – megasiemens per meter). Silver tops the list as the best electrical conductor, followed by copper, which is more commonly used due to its affordability. Other metals such as gold, aluminum, tungsten, and platinum are also highlighted for their unique properties and specific applications. This ranking provides a clear comparison of not only conductivity but also factors like durability, oxidation resistance, and cost-effectiveness.
1. Silver (Ag)
Conductivity: ~63 MS/m (highest among all metals).
Properties: Best electrical and thermal conductor. Doesn’t rust, but is expensive and slightly prone to oxidation.
Applications: Microchips, electrical contacts, high-end electronic devices.
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2. Copper (Cu)
Conductivity: ~59.6 MS/m.
Properties: Excellent conductor, durable, ductile, and more affordable than silver.
Applications: Wires, transformers, electric motors, phones.
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3. Gold (Au)
Conductivity: ~45.2 MS/m.
Properties: Great conductor, highly resistant to oxidation, extremely durable.
Applications: Integrated circuits, premium connectors, medical equipment.
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4. Aluminum (Al)
Conductivity: ~37.8 MS/m.
Properties: Lightweight, inexpensive, good conductivity (though less than copper).
Applications: High-voltage power lines, aerospace, household wiring.
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5. Calcium (Ca)
Conductivity: ~29.8 MS/m (surprisingly high among alkaline earth metals).
Properties: Highly reactive, unstable in air.
Applications: Mostly studied in research; not used widely due to reactivity.
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6. Tungsten (W)
Conductivity: ~18.2 MS/m.
Properties: Good conductor, has the highest melting point of all metals.
Applications: Light bulb filaments, electrodes, industrial electronics.
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7. Zinc (Zn)
Conductivity: ~16.6 MS/m.
Properties: Moderate conductor, commonly used as a protective coating against corrosion.
Applications: Galvanization, batteries, electrical components.
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8. Nickel (Ni)
Conductivity: ~14.3 MS/m.
Properties: Moderate conductivity, excellent corrosion resistance.
Applications: Batteries, alloys, electronics.
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9. Iron (Fe)
Conductivity: ~10 MS/m.
Properties: Average conductor, prone to rust.
Applications: Industrial equipment, transformer cores.
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10. Platinum (Pt)
Conductivity: ~9.5 MS/m.
Properties: Relatively conductive, highly stable, corrosion-resistant.
Applications: Electrodes, sensors, high-end medical devices.
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