Screw steel wire 1.Size: 3.0-9.0mm 2.Standard:ASTM, GB, ... Dia. Tensile Strength Standard Pc Wire 3.0mm - 9.0mm1470Mpa-1860MpaGB5223, AS1310, ASTM , BS Screw steel wire1. Type of Surface: Helix, Plane and ... us know the standard, tensile strength, quantity and packing requirement. Screw steel wire