PC strand is a twisted steel wire composed of 2,3,7or more high strength steel cable, often apply to the concrete buildings and bridges for concrete reinforcing as it has the features of low relaxation and high strength. In the post-tensioned project, smooth PC strand is the most popular prestressed steel.
Galvanized steel strand commonly used in the bridge of the tie rod, cable and external prestressing works. Epoxy coated steel stranded wire is similar to galvanized prestressed steel wire. It commonly used in the bridge of the tie rod.