What is Sand Casting?

Sand casting is a process of using sand as the casting mold material, bonding the sand to make a sand mold, combining it with a sand core to form a casting mold; and then pouring, cooling, and processing to obtain castings. Sand casting is one of the most common casting processes because the molding materials used in sand casting are cheaper and very readily available; the molds are simple to manufacture, and they can be used for mass production or single-piece production of castings from most raw materials. We can use sand casting to complete steel, iron, aluminum, and most non-ferrous alloy castings.

Commonly Used Raw Materials for Sand Castings:

Steel: carbon steel, stainless steel, alloy steel, cast steel.

Iron: gray iron, ductile iron, cast iron.

Aluminum: Cast aluminum, aluminum alloy.

Copper: Brass, copper alloys.

Types of Sand Casting:

Sand casting has three types: clay wet sand casting, clay dry sand casting, and chemical hardening sand casting according to the type of sand, the binder used in the sand, and the way of building its strength.

According to the difference of the chemical sand mold, it is divided into water glass sand casting, resin sand casting, and coated sand casting.

Sand Casting Applications:

We can use sand casting to produce some castings with low precision requirements. In terms of size, weight, and complexity of castings, the larges, smalls, heavys, lights, complexes, and simples can use the sand casting process make.