Used as a filament in incandescent light bulbs due to its high melting point and durability. Commonly added to steel to create high-strength alloys for tools, drill bits, and machinery. Employed in aerospace and defense for heavy alloys in counterweights, radiation shielding, and armor-piercing ammunition. Used in electronics as a conductive material in semiconductor manufacturing and microchips. Also found in welding electrodes, especially in TIG welding, because of its ability to withstand extreme heat.