Скачать или смотреть Pre Galvanized Steel Tube

Pre-galvanized steel tube is made from hot-rolled or cold-rolled galvanized strip steel, formed by cold bending and then high-frequency welded. The zinc content is relatively low, usually 50-70 grams per square meter. It can also reach 80-120 g/m2 according to customer requirements. It is lower cost. We make pre-galvanized steel tubes for two purposes: 1. We need to cut the cost. 2. The wall thickness of the steel tube is relatively thin. We have to make pre-galvanized steel tubes. This video is about how our stock pre-galvanized steel strip is made ready to put into our machines. Welcome, to visit our website for more pre-galvanized steel tube details:
https://www.tjjysteelpipe.com/Pre-Gal...