Tungsten

Tungsten

Tungsten Latest News

Recently, the Hindustan Zinc Ltd (HZL) has received the licence to explore and mine a tungsten block in Andhra Pradesh. 

About Tungsten

  • It is a chemical element with the symbol W, and atomic number 74.
  • It is a naturally occurring element and classified as a transition metal.
  • Major producers: China (major global producer), Vietnam, Russia, and North Korea.
  • It has been classified as a Critical Mineral by the Government of India.

Occurrence of Tungsten

  • It occurs in rocks and minerals combined with other chemicals, but never as a pure metal.
  • It is found in nature in mineral forms like wolframite and scheelite.

Properties of Tungsten

  • It has the highest melting point of all metals at 3410 °C.
  • It has the lowest vapor pressure of all metals with 4.27 Pa at 3410 °C.
  • It has the highest tensile strength of all metals over 1650 °C.
  • Tungsten is a solid at room temperature.
  • Tungsten alloys tend to be strong and flexible, resist wear, and conduct electricity well.

Uses of Tungsten

  • Tungsten is used in products such as x-ray tubes, light bulbs, high-speed tools, and welding electrodes.
  • It is also used as a catalyst to speed up chemical reactions.
  • Tungsten carbide is immensely hard and is very important to the metal-working, mining and petroleum industries.
  • Other tungsten compounds are used in ceramic pigments, as fire retardant coatings for fabrics, and as color-resistant dyes for fabrics.

Source: TH

Tungsten FAQs

Q1: Which mineral is a major source of Tungsten?

Ans: Wolframite and Scheelite

Q2: What is the melting point of Tungsten?

Ans: 3410°C

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