The utility model provides a skin has polyurea protective material's steel strand wires, the skin has polyurea protective material's steel strand wires who constitutes at the polyurea protective coating I that the periphery of whole root steel strand wires has the one deck to be formed by the polyurea material, or fill the skin has polyurea protective material's steel strand wires that there is the polyurea material and constitutes at the polyurea protective coating I that the periphery of whole root steel strand wires has the one deck to be formed by the polyurea material between the space of center wire and limit silk twist, or use two kind above structural steel stranded conductors as infrastructure, twine the band in addition in these infrastructure outsides, twine band outside extrusion molding PE sheath again, or it is direct at infrastructure outside extrusion molding PE sheath, constitute various combination at PE sheath outside coating polyurea protective coating III again, have multiple protection architecture's a skin has polyurea protective material's steel strand wires. The utility model discloses the anti stretch -draw intensity of steel strand wires, pliability are good, and the damping is high, and is ageing -resistant, wear -resisting, the damping property is good, can improve the anticorrosive ability of steel strand wires greatly, increase of service life.