Twisted/stranded tungsten wires are made of some or more W wires (Al wire included)with the same size.
the size of W wire:φ1.0mm, φ0.9mm, φ0.8mm, φ0.762mm, φ0.7mm, φ0.635mm, φ0.4mm
the size of AL wire:φ0.762mm, φ0.635mmÂ
The above are our different W wires and AL wires, which can be chosen by customers.
Twisted tunteden wire can use for vacuum evaporation coating directly, Also can be used as heat source for vacuum heating. Stranded tungsten wire is production material of vacuum evaporation coating W wire .