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. , किंवा पूर्वीने तयार केलेल्या थंडाप्रमाणेच्या पायपच्या आयुध्दातील आयुध्दात्मक ट्यूबाने तयार केलेल्या होत