Iron corner is one of the most important building materials that can have various uses. According to the type of application they have, the corners have a special shape in terms of appearance. Iron corners are used for connecting bridges to columns or beams to load-bearing beams, as well as connecting columns to plates in foundations, etc., and in some structures, such as structures related to elevators, crushed iron corners are used. are used, which is called the corner of the bite. Iron corner is one of the most widely used profiles in building construction. There are various factors to identify the iron corner, among which we can mention the size of the wings and the thickness of the corner.