RW 80 Nickel-Chrome Resistance Wire

An alloy wire used at operating temperatures up to 1200^oC. Its chemical composition gives good oxidation resistance especially under conditions of frequent switching or wide temperature fluctuations.
Applications include heating elements in both domestic and industrial appliances and in control resistors.

Approximate Chemical Composition
Ni	80%
Cr	20%

Properties
DENSITY	8.31 g/cm3
ELECTRICAL RESISTIVITY AT 20 oC (microhm • cm) AT 20 oC (ohm. Circ. Mil/ft)	108 650
MAXIMUM OPERATING TEMPERATURE For use as a Heating Element MAXIMUM OPERATING TEMPERATURE For use in Hot Cutting, Fabrication - Line Bending	1200 oC 300 oC	2200 oF 572 oF
MELTING POINT	1400 oC	2550 oF
COEFFICIENT OF EXPANSION	12.5 µm/m °C (20 - 100°C)

Temperature-Resistance Factor (F) at:
20oC	100oC	200oC	300oC	400oC	500oC	600oC	700oC	800oC	900oC	1000oC	1100oC	1200oC
1.00	1.006	1.015	1.028	1.045	1.065	1.068	1.057	1.051	1.052	1.062	1.071	1.080