Compared with the castings, metal can improve the microstructure and mechanical properties after being forged. The casting microstructure of the metal shall become more closely and improve their plasticity and mechanical properties after being deformed by hot forging processing. The reason is that the metal shall deform and recrystallize after being forged, the original coarse dendrite and columnar grain became fine and equiaxed recrystallization microstructure with uniform size. The segregation, porosity, blowhole, and slag in the steel ingot will be compacted.
If the material is the same, the mechanical properties of castings is lower than that of forgings.
In addition, the continuity of metallic fibrous tissue can be guaranteed and the fibrous tissue of forged parts will be will be consistency with its shape by forging. It can also keep the complete metal flow line and guarantee good mechanical properties and long service life. The properties of precision die forging product is much better than that of casting.
The forging parts is a object that made of metal which is compacted under pressure. This object will form certain shape and appropriate compressive force by plastic deformation. We can use a hammer or a typical pressure to achieve this force. A fine grain microstructure can be built and good physical properties of metals can be improved by forging process. When we use the components and parts, a proper design can make granular flow stay in the direction of principal stress. The casting part is a metal forging object which is obtained by using a variety of casting ways. You need to inject the smelted liquid metal into the prepared mold by using the ways of casting, injection, inhalation or other casting methods, you should finish the shakeout, cleaning and after-treatment after cooling, then you will obtain a object with certain shape, dimensions and characteristics.
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Wuxi Jiayi Forging CO.,LTD