An overview Is a pure aluminum or aluminum alloy ingot prepared according to the standard composition ratio, after artificial heating into aluminum alloy liquid or molten state and then through the professional mold or the corresponding process of aluminum liquid or molten aluminum alloy pouring into the cavity, after cooling to form the required shape of aluminum parts. The aluminum used in casting aluminum is called: cast aluminum alloy.Common methods of aluminum casting are: sand casting, die casting, low pressure casting, precision casting, permanent mold casting and so on.