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The effect of the piston rod is closely related to its hardness.
The use effect of piston rod has a great relationship with its hardness. In today's industrial processing, there are some adopted standards. If it can meet the rolling processing, it basically meets the hardness requirements. Because in industrial production, there is a strong effect requirement for the use details of this kind of piston rod. If you want to meet the use effect, you should pay attention to the quality of the surface layer of the piston rod.
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