Hot Dipped Hollow Section is a square tube formed by a series of chemical reactions in the hot dip galvanized pool after the square tube bar or plate is crimped Hot Dipped Hollow Section specification:Size:12x12-500mm; Thickness: 0.6-20mmMaterial grade:Q195-q235Usage:Used for constructionHot dipped

In recent years, due to the increasing need for pipe welding in various industries, There has been an increase in work opportunities for pipe welders. Since welding is a complex job, pipe welding needs professional workers.However, in industries, there is a reasonably large margin for errors to occur.