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Definition of hot forging
Nov 20, 2017

Hot forging is forged in the metal recrystallization temperature above, improving the temperature can improve the plasticity of the metal, it is helpful to improve the intrinsic quality of the workpiece, so that it is not easy to crack, the high temperature can also reduce the metal deformation resistance, reduce the required forging machinery tonnage, but hot forging process, workpiece accuracy, surface is not smooth, forging easy to produce oxidation, Decarburization and burn loss. When the workpiece is large, thick, the material strength is high, plastic low (such as the special thick plate roll, high carbon steel rod, etc.), are used hot forging.