Ⅰ. Understand the characteristics and common problems of large galvanized steel pipes Large galvanized steel pipe is usually used for industrial water, gas, sewage, and municipal engineering, with diameters ranging from several hundred millimeters to several meters....
The use of large-diameter galvanized steel pipes in construction, pipeline engineering, etc., has been widely acknowledged as the strength and corrosion resistance of such materials are very good. Nevertheless, due to the prevailing large diameter and considerable...