pc strand;pc indented strand; pc spiral ribs strand 1,Dia:7.9mm-15.7mm 2,Standard:ASTM A,BS,EN,GB etc. 3,T/S: 1860MPA,1770MPA Seven wires left or right-handed rotated, spiral-ribs/indented 1) Appearance: Seven wires left or right-handed rotated, spiral-ribs/indented2) Nominal Dia.: 7.9, 8.0, 9.3, 9.53, 11.1, 12.5, 12.7, 15.2, 15.24, 15.7 etc.3) Tensil Strength: 1720MPA to 1860MPA4) Relaxation( ...