Dimensions And Tolerances Of Tungsten Wire

Tungsten wire tolerances and tungsten wire dimensions, such as tungsten wire diameter, are usually expressed in millimeters (or inches).

For filaments with diameters from 0.02mm to 0.5mm, the diameter of tungsten wire is measured by weight per unit length. That is, the weight of tungsten wire with a length of 200mm, expressed in mg.

Standard diameter tolerance is 3% of weight measurement. Depending on the application of the tungsten wire product, tighter tolerances may be provided.

For thicker tungsten wire diameters from 0.5 mm to 6.5 mm, use millimeter measurements. Tolerances are expressed as a percentage of diameter. Standard tolerance is 1.5%.

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