... , JISG3536 2.DIA : 12.7MM , 15.24MM , 9.53MM , BS5896 post tension concrete 7 wire strand Specifictation 1. Standard : ASTMA416 , BS5896 , JISG3536 ... 3.Grade : 250 , 270 4. Dia : 12.7mm , 15.24mm , 9.53mm , 11.11mm ASTM A416 PC Steel StrandGradeNominal Dia (mm ... % of nominal max load )(%)Low-RelaxationNormal-Relaxation270[1860]12.7+0.65-0.1598.71775183.7165.33.52.53.515.241401102260.7234 ...