... 2tensile strength:1460-1870mpa 3used for construction,precast concrete products 1 Production Process: Prestressed steel wire is made by the high carbon ... ,the carbon content of the steel after the cold draw is in the range of 0.6-0.9. It will ... used on the bridges, subway, railway sleepers, poles, dams,nuclear power plants, high-rise buildings and houses, etc. galvanizedsteel pc wire used for ...