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a nickel-copper alloy containing iron, manganese, and other elements. Monel Metal was developed in 1905 at the laboratories of the International Nickel Company of Canada and named for its president, A. Monell. It is highly corrosion-resistant (in air, water, various acids, and caustic alkalies), has relatively high mechanical strength, and is heat-resistant up to 500°C. The USSR manufactures Monel Metal under the trade name NMZhMts28–2.5–1.5, which contains 27–29 percent Cu, 2–3 percent Fe, and 1.2–1.8 percent Mn (the remainder is nickel). It is produced in soft or hard (cold-worked) bars, sheets, and strips. Monel Metal is used in the manufacture of components and equipment for the chemical, shipbuilding, medical, petroleum, and textile industries.