The cold drawn precision seamless steel pipe has the characteristics of no oxidation layer on the inner and outer wall, high pressure, no leakage, high precision, high finish, cold bending, flattening, flattening without deformation, no surface crack, anti rust treatment and so on. It is mainly used in mechanical structure, hydraulic equipment, pneumatic or hydraulic components of automobiles and motorcycles.

Specific process flow: hot rolling capillary detection, grinding capillary pickling capillary pickling post pickling cold drawing pre straightening pickling lubrication fine drawing finished product storage pretreatment.