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- Withstands temperatures up to 1200°C
- Uses: Typical applications include flat irons, ironing machines, water heaters, plastic molding dies, soldering irons, metal sheathed tubular elements, cartridge elements, quartz tube heaters, etc. N8 has a low temperature coefficient of resistance and a low change in resistance during its service life that combine to assure faster heat-up times, more uniform operating temperatures, and a longer useful life. Its lack of reactivity with MgO refractories make it the most suitable alloy for enclosed heating elements, especially those operating in the higher temperature ranges. The oldest and most common electric heating alloy, N8 is long established as the world standard of quality among all metallic heating element materials. Its excellent mechanical stability minimizes variables in element design, assures even stretch in coiled form, and eliminates problems of shrinkage, growth, sag, or distortion in use.
- Common Name: Chromel A, Nikrothal 80, N8, Nichrome V, HAI-NiCr 80, Tophet A, Resistohm 80, Cronix 80, Protoloy, Nikrothal 8, Alloy A, MWS-650, Stablohm 650
- Specific Resistance: 650 ohms/cmf, 108 microohm/cm
- Nom. Temp. Coeff. of Resistance (TCR): 0.000085 ohm/ohm/°C (0-100°C)
- Density: 0.304 lb/cu. in.
- Specific Heat (20°C): 0.109869 cal/g
- Nominal Coefficient of Linear Expansion: 14.5 X 10-6 in/in/°C
- Approx. Melting Point: 1400°C
- Tensile Strength at 20°C: 200 KPSI Hard, 100 KPSI Annealed
- Magnetic Attraction: None