HL-QGW series outer steel pipe shot blasting cleaning machine is mainly used for steel pipe and steel pipe products external surface blasting treatment, not only can remove the oxidation or corrosion of the outer surface of the steel pipe, clean the impurities such as oil on the workpiece, but also can eliminate the internal stress of the workpiece, improve the fatigue resistance strength of the workpiece, achieve the surface requirement and hardness, and eventually improve the surface and internal quality of the workpiece, in order to facilitate workpiece painting and coating.
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