PC Steel Wire is used for prestressed steel structure, high-rise buildings, city's ... wire:Prestressed Concrete Steel WireUsage: they are usded mainly for prstressed steel structure, such as high-rise building, ... G3536-1984, BS5896-1980, ASTM A421-1998Elongation: 3.5% Min. for GB and BS, 4.0% for ASTM A421 and 3.5%, ... 4.0%, 4.5% for JIS G35361984If you ...