Incandescent bulb filaments are typically made of Tungsten, a transition metal.
What is Tungsten
Bulb filament in use metal name - Tungstan. Rajan singh
the filament is the metal peice in a bulb that glows.Tungsten is most often used in a lightbulb.
It is the extremely thin wire inside the bulb. It is so thin that when the electricity goes through produce light, when that filament breaks the bulb is not good.