Used as a filament in incandescent light bulbs due to its high melting point and electrical conductivity. Commonly added to steel to increase hardness, strength, and heat resistance in tools and industrial machinery. Employed in aerospace and defense for heavy alloys in missile components, aircraft counterweights, and armor-piercing ammunition. Serves as an electrode material in arc welding, especially in TIG (tungsten inert gas) welding. Utilized in electronics for thin-film transistors and semiconductor manufacturing. Applied in radiation shielding and medical devices, such as collimators in X-ray equipment. Used in high-temperature applications like furnace components and rocket engine nozzles.