Seamless Hydraulic cylinder cold rolled tube O.D.: 10mm-377mm W.T: 12mm-15mm Length: 2- ... famous steel mill and high precision on the tolerance of tube size.5) Material: 10#, 20#, 45#, 27SiMn, 16Mn, ST52 and ... , shock absorber, hydraulic cylinder, and other cylinders.8) Technical: Cold Rolled/ Cold Drawn/Hot Rolled9) Main Market: Middle East, Asia, Europe and ...