What are the effects of casting and forging on the properties of metals, and what is the difference between the two?
Why are the mechanical properties stronger after forging than after casting?

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1.Castings are formed by melting the metal and pouring it into a mold. Generally, pores, shrinkage porosity, and crystal grains are more difficult to control. The solidification sequence of the metal must be controlled and the cost is low.
2.Forged parts have the effect of breaking crystal grains in the plastic deformation process, and the interior is dense and the performance is good.