The main features：The inner surface of high cleanness, good strength and elongation, showing good re-processing and no leakage in high pressure; anti-blasting in high-pressure, long time anti-corrosion properties after surface treatment. They are the ideal material for condenser, evaporation, automotive tubing. We can supply the users with any length bending tubes and straight steel tubes to meet meet the customer's needs.

The Demension And Mechanical Properties' Table Of Double-wall Weld Steel Tube

The Surface Treatment Of Double-wall Weld Steel Tube