Precision steel tube is a kind of high precision steel tube material after cold drawing or hot rolling treatment. Due to the advantages of precision steel pipe, such as no oxide layer on the inner and outer walls, no leakage under high pressure, high precision, high finish, no deformation in cold bending, expansion, flattening and no crack, etc., it is mainly used to produce products of pneumatic or hydraulic components, such as air cylinder or oil cylinder, which can be seamless pipe or welded pipe.<br>The precision steel pipe has high dimensional accuracy, internal and external surface finish. After heat treatment, the internal and external surfaces of the steel pipe are free of oxide film, the steel pipe is flared, flattened, crack free, cold bent and deformed, and can withstand high pressure, so it can be used for various complex deformation and mechanical deep processing.<br>
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