The steel wire can be used in which of the project, this problem is also one of the focuses of the everyone, in fact, now you can also find the application of the steel strand range is very wide, can be used in which of the project is known to all. The prestressed steel strand is widely used in highway, railway, bridge, power, construction, water conservancy, environmental protection and other national economy. With the continuous development of the national economy, the demand for prestressed steel has increased significantly. The application range of prestressed steel strand is quite extensive, ranging from the most basic civil residence to the construction of the high-end nuclear safety shell. In recent years, with the development of the transportation industry, the steel strand is getting deeper and deeper into the high-speed railway and the construction of Bridges.