Size:12.7-21.6mm Tensile Grade:1770Mpa,1860Mpa,2000Mpa Application:high ways,bridges,Airport,Dockers building,Tunnels 1.-Steel Wire for ... Pre-stressed Concrete2.-StandardLGB/5224 ASTM A 416-90 BS5896 JISG35363.-Dia:12. ... 7mm-21.6mm4.-Stregth:1770,1860,1960,2000Mpa5.-Application:Keywater control projects, ...