St52 E355 Chrome Plated Tube Seamless Cylinder Honing Tubes H8 200*213

St52 E355 Chrome Plated Tube Seamless Cylinder Honing Tubes H8 200*213. Wide Material Selection: Available in ST52, E355, 45#, 20#, and other carbon steel grades. Chrome Plated Surface: Surface treatment provides durability and corrosion resistance. Seamless Construction: Manufactured via cold drawn, cold rolled, or hot rolled methods. Strict Tolerance Control: ID tolerance available in H7, H8, H9, and H9 standards. Versatile Applications: Ideal for hydraulic cylinders, pneumatic cylinders, and jacks. Multiple Heat Treatments: Options include BK, BKS, GBK, NBK, Q+T, and annealing. Customizable Dimensions: ID ranges from 40mm to 400mm with various length options.