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RW 80  (80/20 NiCr) Nickel-Chrome Resistance Wire

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

The above tensile strength ranges are typical. If you require different please ask.

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