Brief:Hollow bar is a kind of thick wall seamless tube or pipe. In Chengxin, we can supply cold drawn hollor bars, hot rolled+deep hole bored hollow bars, and hot rolled or forged+deep hole drilled hollow bars for our customers, and machining & turning service as per drawing is available.
Brief:Piston rods are classified as solid piston rods and hollow piston rods. Solid piston rods are made from hard chromed plated steel bars with welding and CNC turning, while hollow piston rods are made from seamless pipes/tubes.
Brief:Hydraulic cylinder barrel is the core part of a piece of hydraulic cylinder and made from steel tube or honed or skived & roller burnished tubes through further welding, and machining & turning.
Brief:Cold drawn hollow sections, ,mainly classified as rectangular hollow section and square hollow section, are widely used in structural purpose in buildings.
