Vicalloy

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In metallurgy, vicalloy is a precipitation-hardening, ductile permanent magnet alloy capable of being processed into strip, bar, and wire products prior to heat treatment for electromechanical device applications (such as Wiegand wires).

It consists of 0.03% carbon, 0.4% manganese, 0.2% silicon, 52% cobalt, 10% vanadium; the balance (37.37%) is iron.