1used for concrete sleepers 2diameter:3.0mm-12.0mm 3tensile strength:1460-1860mpa Unbonded steel wire:> Standard: JG161-2004> Diameter: 9.5mm -15.7mm> Tensile strength: 1, 570 - 1, 960MPa> Application: It is used for railroad bridge, highway, subway, rock-soil anchoring, side slope stabilization, large span industry workshop and high-rise building construction and so on.>Relaxation (1000h): Low ...