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NRX 600 (Construction materials)

Datasheet updated 2012-05-21 15:16:34 (supersedes all previous editions)

NRX 600 is an austenitic nickel-chormium alloy (NiCr alloy) for furnace temperatures up to 1150°C (2100°F).

Typical appliactions for NRX 600 are as conveyor belts in corrosive atmospheres for heat treatments of metals and ceramics.

Chemical composition

Cr % Ni % Fe %
Nominal composition 15  77  7

Mechanical composition

Wire size Yield strength Tensile strength Elongation
Ø Rp0.2 Rm A
mm MPa MPa %
1.0 310 670 30

Physical properties

Density g/cm3 8.55
Electrical resistivity at 20°C Ω mm2/m 1.00
Coefficient of thermal expansion
Temperature °C

Thermal Expansion x 10-6/K

20 - 1000 16.7
Thermal conductivity
Temperature °C 100
W m-1 K-1 11.9
Specific heat capacity
Temperature °C 20
kJ kg-1 K-1 0.46
Melting point °C 1400
Max continuous operating temperature in air °C 1150

Disclaimer: Recommendations are for guidance only, and the suitability of a material for a specific application can be confirmed only when we know the actual service conditions. Continuous development may necessitate changes in technical data without notice. This datasheet is only valid for Kanthal materials.

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