steel wire with spiral ribs 1.Size:3.0-9.0mm 2.Standard: ... /S:1470Mpa-1860Mpa 4.Surface:helix,plain,indented Steel Wire with Spiral Ribs Name Dia. Tensile Strength Standard pc Wire 3 ... constructuion of large scale railroad, high-way bridges, buildings trusses, overhead crane beams industrial and civil prefabricated concrete floor, wall board, tubular ...