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Electric Resistance Heating Alloy RAIL®-HTM Strip

RAIL®-HTM is an advanced, high purity, high temperature metallurgical product of ferritic Iron-Chromium-Aluminium Alloy with life enhancing additive RE. It can be used at wire temperature of up to 1425C.

RAIL®-HTM has several unique characteristics like higher resistivity, superior oxidation, high temperature use, lower density, higher yield and exceptional long life.

RAIL®-HTM is specially recommended for use in powder metallurgy furnaces, diffusion furnaces, radiant tube heating furnaces and all kinds of furnaces that are required to be operated at high temperature in the range of 1250C - 1425C.


Chemical Composition
Cr Al Si Mn C Re Fe
Nominal 23.5% 6.0% <0.4% <0.7% <0.04% Traces Bal
Min 22% 5.5%
Max 25% 6.5%


Physical, Electrical & Mechanical Properties

Density g/cm3 7.10
Electrical Resistivity at 20 C ® mm2/m 1.45  - 0.03
         + 0.07
Elongation %   ≥16
Tensile Strength kgs/mm2 65-80
Magnetic Property Magnetic
Max Continuous Operating
Temperature (in air)
Melting Temperature 1500C

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