pc steel bar Diameter: 7.1mm,9.0mm,10.7mm,12.6mm JISG3137-1994 , GB/T5223.3-2005 ,KSD 3505 Pc steel barprestressed concrete steel barNominal diameter: 7.1mm,9.0mm,10.7mm,12.6mmNominal diameter in KS standard : 7.4mm, 9.2mm, 11mm, 13mmTensile strength ≥ 1420MpaYield strength ≥ 1275MpaElongation ≥ 5%Low relaxation ≤ 2%Straightness ≤ 2mm/mNet weight per coil: 1100Kg±200KgStandard: JISG3137-1994( ...