How to remove oil pipe thread?

　　How to remove oil pipe thread? The quality of oil pipe thread quality directly affects the renewal process.

　　Such as steel derusting, descaling, stainless steel, aluminum, copper alloy remove the oxide film, even some metal surface paint removal descaling. Due to the rust layer or film appearance of oil if not su clean obstacles will rust, in addition to the oxide film of liquid phase contact, affect descaling liquid of rust layer of penetration and the rust layer destruction, dissolved, this will inevitably lead to degreasing, rust removing, film is not completely serious results. At the same time, in addition to pollution in solution & membrane, the formation of two pollution, or to reduce the effect of rust and solution.