Galvanized Square tube

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. , Yaxud əvvəlcə hazırlanmış soğuk dəli borundan və sonra isti-dip galvanizaqları ilə işlədilmiş bir çöpçülü tüpü.