
2.Classification By Production Process
Seamless steel pipe: Made by hot rolling or cold drawing, without welds, resistant to high pressure, suitable for high-demand environments (such as chemical pipelines).
Welded steel pipe: Made by rolling and welding steel plates, low cost, suitable for low-pressure scenarios (such as decorative pipes, water pipes).
3.Classification By Surface Treatment
Polished tube: smooth surface, used in food, medical and other fields with high cleanliness requirements.
Pickled tube: removes the oxide layer to improve corrosion resistance.
Wire drawing tube: has a textured decorative effect, often used in architectural decoration.


ROYAL GROUP
Address
Kangsheng development industry zone,
Wuqing district, Tianjin city, China.
Phone
Sales Manager: +86 153 2001 6383
Hours
Monday-Sunday: 24-hour Service
Post time: Jul-21-2025