Helix PC Steel wire: 1.Size: 3.0-9.0mm 2.Standard:ASTM, GB, BS, JIS 3.T/S:1470Mpa ... indented, plane Name Dia. Tensile Strength Standard Helix PC Steel wire 3.0mm - 9.0mm1470Mpa-1860MpaGB5223, AS1310, ASTM , BS ... and small szied of various shapes of pc structures, and weidely used for civil engineering ... piles, powers and unclear power station, etc...3. Enquiry please let us know the standard, tensile ...