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Do you Know the Difference Between Forging and Casting?

Feb 05, 2018

Do you Know the Difference Between Forging and Casting?


Forging is the use of forging machinery to exert pressure on the metal billet, so that it has a plastic deformation to obtain a certain mechanical properties, a certain shape and size forging processing methods.

 

Casting is that smelting metal, making molds, and pouring the molten metal into the mold, solidifying to obtain a shape, size and performance of metal parts blank forming method.

 

 

Difference: After metal forging process can improve its structure and mechanical properties.

Casting organizations after forging deformation after hot deformation due to metal deformation and recrystallization, so that the original coarse dendrites and columnar grains into smaller grains, uniform size equiaxed recrystallization, the original segregation within the ingot, Loose, porosity, slag and other compaction and welding, the organization has become more closely and improve the metal's plasticity and mechanical properties.

 

The mechanical properties of castings are lower than those of forgings of the same material. In addition, the forging process can ensure the continuity of the metal fiber organization, make the forging fiber organization and the forging appearance consistent, the metal streamline is complete, can ensure the parts have good mechanical properties and long service life. With precision forging, cold extrusion , Warm extrusion and other production forgings, are castings can not do that.

 

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