The Delivery Condition Of ST52 Cylinder Barrel

 ST52 Cylinder Barrel is well known as hydraulic cylinder tube in industries. Honed Tubes, Skived & Roller Burnished Tubes are the most important material of manufacturing hydraulic cylinders.

Delivery Condition Of ST52 Cylinder Barrel

Normal speaking , Annealing and normalizing of steel are two common heat treatment processes.The purpose of annealing and normalizing is to eliminate certain defects caused by hot processing of steel, or to prepare for the subsequent cutting and final heat treatment. As a professional cylinder barrel factory, Datong Hydraulic can do production with Delivery Condition: BK, BK+S, GBK, NBK. To keep the cylinder tube good working performance.

Cold Finished(BK): Honed Cylinder Tubes do not undergo heat treatment following the final cold forming and thus, have a rather high resistance to deformation.

Cold finished and stress-relieved (BK+S): Heat treatment is applied following the last cold forming process. Subject to appropriate processing conditions, the increase in the residual stresses involved enables both forming and machining to a certain degree.

Annealed(GBK): The last cold forming process is followed by annealing in a controlled atmosphere.

Normalized(NBK): The last cold forming process is followed by annealing above the upper transformation point in a controlled atmosphere.

We produce ST52 cylinder barrel and  chrome plated rods used for hydraulic cylinder or pneumatic cylinder with high quality with over 20 years experience. Please feel free to contact us if you hav e any inquiry.

ST52 cylinder barrel


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