In use requires a good solderability, plastic deformation and certain mechanical strength.

According to the structure of the different needs of angles can be composed of a variety of stress components, can also be used as a component of the connections between the. Widely used in various architectural and engineering structures, such as beams, bridge, tower of power transmission line, lifting the transport machinery, ships, industrial furnace, reactor, container rack and warehouse shelves.

Angle is used in the construction of carbon structural steel, is a simple section steel steel, mainly used for metal components and plant frame.