The modern casting process is subdivided into two main categories: expendable and non-expendable casting. It is further broken down by the mold material, such as sand or metal, and pouring method, such as gravity, vacuum, or low pressure.
the modern casting process is subdivided into two main categories expendable and non-expendable casting it is further broken down by the mold material such as sand or metal and pouring method such as gravity vacuum or low pressure