Advantages and disadvantages of hot-dip galvanized steel pipe Hot dip galvanized steel pipe is the strip or plate bending by the spiral bending forming, with double-sided submerged arc automatic welding in the welding seam and seam made of galvanized steel pipe, for the following reason it can be w

The use of square pipes has penetrated into all areas of our society, but steel products have a shortcoming that is oxidized and rusted, and corrosion protection is imminent. There are many anti-corrosion processes such as oiling, galvanizing, and spraying, each with its advantages and disadvantages

Channel steel is a long strip of steel with a groove-shaped cross-section. It is a carbon structural steel for construction and machinery. It is a section steel with a complex section and its cross-sectional shape is a groove. Channel steel is mainly used in building structure, curtain wall engineer