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ABOUT
Heating Element Wire
Heat Resistance Heating Alloys
Tempsens Nickel Chromium heat-resistant heating alloys are specialized materials designed to withstand high temperatures while maintaining their structural integrity and electrical properties. Nichrome heating element alloys play a crucial role in various industrial applications where exposure to elevated temperatures is a constant, such as in heating elements, furnaces, and other thermal processing equipment.
Nickel Chromium heat-resistant heating alloys from a metallurgical perspective emphasizes the careful selection and manipulation of alloy compositions, microstructure engineering, and the incorporation of specific metallurgical features to ensure the alloys’ ability to withstand high temperatures, resist oxidation and corrosion, and maintain stable electrical properties in demanding industrial environments
Nichrome – 80:20
Nichrome 80:20 is a meticulously engineered nickel-chromium alloy renowned for its composition of 80% nickel and 20% chromium. Nichrome alloy stands as a testament to metallurgical precision, combining exceptional resistance to high temperatures, robust mechanical properties, and reliable electrical conductivity. It is a cornerstone in the realm of heating elements, contributing significantly to diverse industrial applications demanding unparalleled thermal performance.
In tempsens instrument private limited Udaipur has facilities for controlled processes of Nichrome Production which are critical for ensuring uniform composition and desired microstructural characteristics.
Major Material properties are as below
- Microstructure: Nichrome 80:20 exhibits a stable microstructure, allowing it to maintain structural integrity at high temperatures.
- High Melting Point: Metallurgically designed for a high melting point, the alloy remains stable even in extreme thermal conditions.
- Oxidation Resistance:: Chromium content contributes to the formation of a protective oxide layer, enhancing resistance to oxidation.
- Electrical Conductivity:: Precisely engineered for consistent electrical properties, ensuring efficient energy conversion into heat.
- Creep Resistance::: Nichrome 80:20 showcases remarkable resistance to creep deformation under high temperatures, ensuring long-term structural integrity in applications with sustained stress.
- Thermal Expansion: Its controlled thermal expansion coefficient allows for compatibility with diverse materials, minimizing thermal stresses in composite systems.
- Magnetic Properties: While not ferromagnetic, Nichrome 80:20 displays a moderate magnetic susceptibility, influencing its interactions in magnetic fields.
Temperature vs. Resistivity:
This graph illustrates the resistivity changes of Nichrome 80:20 across a wide temperature spectrum. Beginning with a low-temperature baseline, it demonstrates a gradual increase in resistivity as temperature rises. This graphical representation showcases the alloy’s stability and reliability, even under extreme thermal conditions.
Table for diameter vs current at various temperature
| Wire type
（Φ mm） |
Heating 7.0 | ||||
|---|---|---|---|---|---|
| 200 | 400 | 600 | 800 | 1000 | |
| 7.0 | 54.7 | 116 | 184 | 270 | 365 |
| 6.0 | 43.4 | 93.2 | 146 | 214 | 289 |
| 5.5 | 38.6 | 82.5 | 128 | 187 | 254 |
| 5.0 | 33.5 | 71.9 | 112 | 163 | 220 |
| 4.5 | 29.0 | 62.2 | 95.6 | 139 | 188 |
| 4.0 | 24.5 | 52.8 | 80.3 | 117 | 158 |
| 3.5 | 20.3 | 43.7 | 65.9 | 95.4 | 129 |
| 3.0 | 16.3 | 35.1 | 52.5 | 76.0 | 103 |
| 2.5 | 12.7 | 27.0 | 40.0 | 57.8 | 78.9 |
| 2.0 | 9.37 | 19.6 | 28.8 | 41.5 | 57.2 |
| 1.8 | 8.16 | 17.1 | 24.8 | 35.6 | 49.1 |
| 1.6 | 6.91 | 14.5 | 21.0 | 29.0 | 41.5 |
| 1.4 | 5.76 | 12.0 | 17.3 | 25.0 | 34.1 |
| 1.2 | 4.74 | 9.70 | 13.8 | 20.1 | 27.2 |
| 1.0 | 3.67 | 7.52 | 10.6 | 15.3 | 20.8 |
| 0.8 | 2.73 | 5.59 | 7.79 | 11.1 | 15.2 |
| 0.6 | 1.90 | 3.89 | 5.29 | 7.35 | 10.3 |
| 0.4 | 1.10 | 2.36 | 3.11 | 4.25 | 5.99 |
Applications:
- Heating Elements: Nichrome 80:20 is the backbone of heating elements in industrial furnaces, ovens, and electric heaters, offering not only heat resilience but also mechanical robustness for extended service life .
- Industrial Furnaces:: Nichrome 80:20 prowess in enduring extreme temperatures positions it as the material of choice for heating elements in industrial furnaces, sustaining critical processes in metallurgy, ceramics, and glass manufacturing.
- Resistance Heating Wire:: Nichrome 80:20’s electrical virtuosity finds expression in household appliances like toasters and hairdryers, where rapid, controlled heating is imperative for efficient operation.
- Automotive Applications:: In the automotive realm, its use in heated seats and rear-window defrosters showcases its adaptability to the stringent demands of the automotive environment.
- Aerospace Components::: Nichrome 80:20 high-temperature stability and durability make it a contender for aerospace components, contributing to the reliability of critical systems in aerospace engineerin..
Available form – Wire and Bar in acid wash and luster surface.
Available Diameters – 8.0 mm to 0.16 mm
Quality Check and Analysis – Each spool and Coils has been pass through all properties testing in Tempesens Instrument private limited, Udaipur – NABL accredited lab. Test certificates has been provided.
