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Choosing between castings and forgings

An article that gives a brief overview of the differences between metal forging and metal casting processes.

The main difference between these two manufacturing methods is that metal forgings are hammered or pressed into a shape by force.  Metal castings on the other hand are produced via a molten metal being poured into a mould that creates the shape of the casting.

metalcastingsWith metal forging, there is no need to use molten metal and wait for it to solidify.  Alternatively, metal casting primarily utilises the solidification method.  This means that castings can be very intricate in comparison as the metal is allowed to set and take on the shape of the mould.  However, forging can be performed under hot or cold temperatures.

Metal casting is a very flexible process and allows freedom of design. The design can also be cast over and over again which means that high production rates are possible.  Due to the nature of molten metal, it is easy to cast larger parts.  This is because there is no need to use great force to shape solid metal (desired shape is created by the mould).

Metal forgings are very strong because the metal is compacted through pressure.

At Jade Trading, press and hammer forgings are offered up to a weight of 1 tonne.  Dependant on the type of casting required, castings can be produced up to 3 tonne.