It is simply to divide aluminum and aluminum alloys into two categories: wrought aluminium alloys and cast aluminum alloys. Wrought aluminium alloys contain lower percentage of elements, about less than 4%. Cast aluminum alloys contain the same chemical composition but has greater amounts. In the same temperature range( 520 to 590℃), the cast aluminum alloys undergo a thoroughly chemical properties while wrought aluminum alloys still remain the mechanical properties and remain ductile.

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