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Earlier it was assumed that copper-nickel alloys provided sufficient corrosion resistance in the fresh waters while use in the heat exchanger services. The materials like austenitic stainless steels and nickel-chromium-iron alloys were mentioned essential only while operation in the brackish water or sulfide polluted water, because these were very costly for use in ordinary fresh … Continue reading Performance of heat exchanger materials

Mu metal has been being used by metal producers, suppliers, engineers, scientists and others for many decades as an industrial standard product. Mumetal is used in a low frequency magnetic shielding design, calculation, assessment, production and supply. It is widely produced in stress annealed form that permits further production, stamping or welding. Subsequent to fabrication, … Continue reading Mumetal alloy for magnetic shielding devices

General metals and alloys possess a negative temperature coefficient of modulus of elasticity, that is to state their hardness decreases upon heating. They possess positive coefficient of thermal expansion, leading to increase in length upon heating. The modulus of elasticity (E) of ferromagnetic materials is a complex function of physical characteristics. The initial alloys made … Continue reading Ni Span C902 Guide