we manufacture pneumatic cylinder tube high quality with good price cylinder tube, o.d.232mm-406mm, w.t.4.2mm-5. ... 6mm. Material: 30CrMo, 35CrMo, 34CrMo4, 34Mn2V. Length: 3-10.5m. cylinder tube:MaterialC%Rm ,MPaReL ,MPaA ,External diametermmWall-thickness/mmNon straightnessLength ...