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80/20 Ni Cr Resistance Wire
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80/20 Ni Cr Resistance Wire

Available in any of the 'profile options'

An alloy wire used at operating temperatures up to 1200°C (2200°F). Its chemical composition gives good oxidation resistance especially under conditions of frequent switching or wide temperature fluctuations.

Chemical Composition Designations Typical Applications
Element Min Max
C 0.15
Si 0.50 2.00
Mn 1.00
P 0.02
S 0.015
Cr 19.00 21.00
Ni 75.00
Al 0.30
Cu 0.50
Fe 1.00
W.Nr. 2.4869
UNS N06003
AWS 080
Heating elements in both domestic and industrial appliances and in control resistors
Density 8.31g/cm³ 0.300 lb/in³
Electrical Resistivity at 20°C 108 microhm • cm 650 ohm. Circ. mil/ft
Maximum Operating Temperature
For use as a Heating Element
For use in Hot Cutting, Fabrication – Line Bending
1200 °C
300 °C
2200 °F
572 °F
Melting Point 1400 °C 2550 °F
Coefficient of Expansion 12.5 µm/m °C (20 – 100°C) 7.0 x 10-6 in/in °F (70 – 212°F)
Temperature-Resistance Factor (F) At:
20°C 100°C 200°C 300°C 400°C 500°C 600°C 700°C 800°C 900°C 1000°C 1100°C 1200°C
68°F 212°F 392°F 572°F 752°F 932°F 1112°F 1292°F 1472°F 1652°F 1832°F 2012°F 2192°F
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

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