Manganin is a trademarked name for an alloy of typically 84% copper, 12% manganese, and 4% nickel. Manganin foil and wire is used in the manufacture of resistors, particularly ammeter shunts, because of its virtually zero temperature coefficient of resistance value and long term stability.
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Ni80cr20 is a nickel-chromium alloy (nicr alloy) characterized by high resistivity, good oxidation resistance and very good form stability. It is suitable for use at temperatures up to 1200°c, and hold a superior service life compared to iron chromium alumium alloys. Typical applications for ni80cr20 are electric heating elements in home appliances, industrial furnaces and resistors(wirewound resistors, metal film resistors), flat irons, ironing machines, water heaters, plastic moulding dies, soldering irons, metal sheathed tubular elements and cartridge elements.
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