400 Series stainless steel angles are long strips of steel with two sides perpendicular to each other in an angle shape. Its specifications are expressed in mm of side width x side width x side thickness. It is mainly divided into two categories: equilateral stainless steel angles and unequal stainless steel angles, of which unequal stainless steel angles can be divided into unequal and unequal thick and unequal thick. Stainless steel angles can be formed according to the different needs of the structure of a variety of different force members, but also between the members of the connection. Widely used in various building structures and engineering structures, such as beams, bridges, transmission towers, lifting and transport machinery, ships, industrial furnaces, reaction towers, container racks and warehouse shelves.