NI200 is commonly used as a heat treatment wire.
In modern times it has found popularity in the vaping industry due to it's high heat resistance. It is used for the DNA40 model of rebuildable atomizer.

Diameter - 0.35mm (350 Micron - 27 AWG)

Technical Specification:

Ni+Co - Max 99.6% / Min 99.0%
Fe - 0.4%
C - 0.15%
Mn - 0.35%
Si - 0.35%
Cu - 0.25%
S - 0.01%

Density - 8.89 g/cm3
Melting Point - 1435 - 1446 oC

Tensile Strength (MPA) Rm N/mm2 - 415 - 585
The Yield Strength RP 0.2N/mm2 - 105-310
Elongation A5% - 35-55