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Tungsten (W) Metal

Tungsten is steel-gray to tin-white dense metal and, when very pure, can be forged, spun, drawn, and extruded. Tungsten is resistant to corrosion and stable in dry air at room temperature. Tungsten’s melting point exceeds that of all other metals, and it has the lowest vapor pressure and retains its tensile strength even at extreme temperatures. Tungsten has the lowest coefficient of thermal expansion of any pure metal. Tungsten is mostly non-reactive, so it has corrosion resistance and is attacked only slightly by mineral acids.

Purity: 99.9%, 99.95%, and 99.999%
Typical Applications

Tungsten’s main use is as an alloying agent with other metals to strengthen them, and for use in high-temperature applications, such as arc-welding electrodes and heating elements in high-temperature furnaces. Other uses include glass-to-metal seals, drill bits, nozzle heads, semiconductors, inertial weights, targets for x-ray tubes, vibration damping, counter-balances, radio isotope containers, and military armor penetrations.

Packaging Options

Bags, pails, steel drums & bulk bags


Tungsten (W) Metal TSCA (SARA Title III) Status: Yes. For further information, please call the EPA Office of Chemical Safety and Pollution Prevention (OCSPP) at 202-564-2902. Tungsten (W) Metal CAS Number: 7440-33-7 Tungsten (W) Metal UN Number: 3089 (powder)

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