Sand casting is the oldest known casting process, dating back to before 1000 BC Process control, material selection, tolerance capability, ability to produce fine parts, wide size range - of course, these have all come a long way progress. But metal fundamentals were relatively unchanged. Create a cavity in the shape of your desired part and pour molten metal into it.

Developed over the centuries, sand casting is the most versatile and probably the most widely used method of metal casting.

Design requirements (including shape and size needs), part and tooling costs, quantities required, and even manufacturing feasibility determine which metalworking process (including which casting processes) is most appropriate when choosing how to manufacture a product.

Products manufactured using sand casting employ techniques that can produce shaped parts of almost any design, including very large parts and parts with internal channels. There may be a more optimal casting or metalworking process for any particular product based on the following conditions:

required tolerance

complex design

volume

tool availability

delivery time

However, it is likely possible to use the sand process to make castings in the desired configuration. This is a decision left to the design engineer.

The process is called sand casting because the molds that contain the cavities in which the metal is poured are made from compressed or compacted sand. There are some other substances in the sand that will help it keep its shape.

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