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Duralumin
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Home > Scrap General > Scrap Metal Commodities Reference - D > Duralumin
Duralumin
One of the most important of the light aluminium alloys. It possesses the remarkable property of slowly increasing in tensile strength in the course of four or five days from 18 to 26 tons per square inch after it has been heated for half an hour to 500 deg C., and then quenched in water.
The average composition of duralumin is: aluminium 95%, copper 4%, magnesium .5%, manganese .5%.
The alloy, on account of its strength, is much used for aircraft work.
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