Steel Wire Series For Prestressed Concrete Usage: are applicable to the construction of prestressed components with reinforcing bars of various types such as large-span bridges, overhead crane beams, concrete powerline posts, p.c. watepipe and the frameworks of mutistoried factory buildings. Specialty: high strength, low relaxation. Size: nominal diameter 4mm-12mm Tensile Strength: 1470 Mpa-1770 Mpa Style: plain, indented or with helical rib Standard: GB/T5223-2002, ASTM A421-1998, BS5896-1980, JIS G3536-1984 Packing: in coil strepped by steel bands in side, in plastic woven cloth out side. Coil Detail: ID1600-1800mm, OD 2000-2200mm, Weight 500-1000kg Besides PC steel wire, steel strand can also be produced here at our mill. If you want price list and technique date etc., pleas