How to distinguish between hot-dip galvanized square tube and cold galvanized square tube:

Galvanized square tubes are divided into hot-dip galvanized square tubes and cold galvanized square tubes in terms of consumption technology. It is precisely because the addition of these two galvanized square tubes is different that they have many different physical and chemical properties. Generally speaking, they are different in strength, toughness and mechanical properties. Square tube manufacturer Take you to understand. Hot dip galvanized square tubes are widely used, mainly in curtain walls, buildings, machinery manufacturing, solar power generation supports, steel construction projects, etc., especially in curtain walls and buildings. So, how should we identify when purchasing? Now Tiehao Industry teaches you several points to distinguish between hot-dip galvanized square tubes and cold galvanized square tubes. 1、 Look at the appearance. The surface of the cold galvanized square tube is relatively smooth and bright. The surface of the hot-dip galvanized square tube is intended to be slightly rough compared with the cold galvanized square tube.