Galvanizēta kvadrātcaurule

Galvanized square pipe is a hollow square section steel pipe with a square section shape and size made of hot-rolled or cold-rolled galvanized strip steel or galvanized coil as a blank, cold-bent and formed by high-frequency welding. , Vai galvanizēta taisnstūra caurules, kas izgatavota no aukstā veida cauruļvada, kas iepriekš sagatavota un pēc tam apstrādāta ar karstā dip a galvanizāciju.