The mild steel hydraulic honed tube is a kind of smooth bore steel tube used to manufacture hydraulic cylinder barrels that is the core part of a piece of hydraulic cylinder. It is usually honed in tube inside diameter, it is known as honed ID tubing also. The honing process involves using abrasive polishing stones and abrasive paper to remove small amounts of material, to produce extremely precise ID dimensions and improved finishes. The tube is made for use in the various processes. The mild steel hydraulic honed tube is very useful.