Common master alloys include 4% beryllium copper, 5% beryllium aluminum, and 6% beryllium nickel. Supplied as ingot or shot, master alloy is a melt additive used for one or more of the following purposes: to harden copper, nickel and aluminum; to improve cleanliness, fluidity and corrosion resistance in aluminum; to minimize loss of oxidizable elements such as magnesium in aluminum; to protect against oxidation and melt ignition in magnesium; and to control composition in production of commercial beryllium-containing alloys in many base metal systems.
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Master Alloys Chemical Composition Requirement