There are many kinds of methods to classify castings: such as according to material, we can have casting steel, cast iron, cast copper, cast aluminum, cast magnesium, cast zinc and cast titanium. And each kind of above casting classification can be furtherly divided into different kinds according to their chemical composition or metallographic structure.
As cast iron parts can be divided into gray iron, ductile iron, vermicular iron, forged cast iron, alloy cast iron, etc.
And the casting can be divided into ordinary sand castings, investment castings, die casting, centrifugal castings, continuous castings, molten casting castings, ceramic castings, electroslag remelting castings, bimetal castings and so on.
The most common sand casting is about 80% of the total casting output.
Die castings includes aluminum, magnesium, zinc and other non-ferrous metal castings mostly.