The construction of hundreds of facilities of the sphere of civil, industrial, road, hydraulic and special construction is inextricably linked using metal. Attracts the material of professionals, first of all, by the totality of useful user characteristics. The rate is made on its impressive operational resource (calculated for decades), serious mechanical strength (combined with a low specific gravity), as well as the ability to not lose useful consumer criteria for prolonged contact with aggressive media. On construction sites, steel rods are used to strengthen the foundation and wall part of the houses, reinforcement of floor slabs, columns, crossbars, staircases and marches.