RAIL® - NC 80/20
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Electric Resistance Heating Alloy RAIL® - NC 80/20 Wire
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RAIL® - NC 80/20 is an austenitic, non-magnetic, Nickel-Chrome Alloy. It is used at wire temperature up to 1200◦C
RAIL® - NC 80/20 has outstanding characteristics like high uniform electric resistance, excellent heat stability, strong resistance to corrosion, excellent ductility, weldability and mechanical stability. Its austenitic structure gives good toughness allowing it to be easily cold worked. It is an ideal metallic heating element material for use in high temperature industrial furnaces and electric domestic heating equipments.
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Physical & Mechanical Properties
| Maximum Element Working Temperature (in Air) |
1200◦C |
| Nominal Composition % |
Cr |
20 |
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Si |
1 |
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Ni |
Balance |
| Density g/cm3 |
8.40 |
| Electrical Resistivity at 20◦C Ω mm2/m |
1.08 |
| Elongation % |
Min 30 |
| Melting Temperature |
1400◦C |
| Tensile Strength kgs/mm2 |
70 |
| Creep limit (1% elongation after 1000 hours) |
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Kg/mm2 600◦C
Kg/mm2 800◦C
Kg/mm2 1000◦C
Kg/mm2 1200◦C |
8.16
1.53
0.408
0.051
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| Workability |
Good |
| Weldability |
Satisfactory |
| Magnetic Property |
Non-Magnetic |
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Resistance & Thermocouple Alloys
