Seamless Hydraulic cylinder cold rolled tube O.D.: 10mm-377mm W.T: 12mm- ... : 2-5.8m or according to your requireme Product: Seamless Hydraulic cylinder steel pipeSpecification:1) Outside Diameter: 10-377mm (+/-0.2mm)2 ... general structure, engineering scaffolds, machinery processing, automobile parts, shock absorber, hydraulic cylinder, and other cylinders.8) Technical: Cold Rolled/ Cold Drawn/Hot ...