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:Seamless rectanglar steel tubes, with the other name rectangular hollow section, is made from hot rolled seamless steel pipes. It's not welded hollow section. It is made through hydraulic cold drawing and is seamless tube with tight size tolerance, perfect twist, etc.
Brief:Seamless rectanglar steel tubes, with the other name rectangular hollow section, is made from hot rolled seamless steel pipes. It's not welded hollow section. It is made through hydraulic cold drawing and is seamless tube with tight size tolerance, perfect twist,etc.
Brief:Hydraulic cylinder barrel is the core part of a piece of hydraulic cylinder and is made from a piece of steel tube or honed or skived & roller burnished tubes through further welding, and machining & turning.