pc strand 1. Dia: from 6mm to 17.8mm 2. Standard: GB/ ... Structure:1X 2, 1X 3, 1X7 1. Type: pc strand, pc steel strand, prestreesed steel strand2. Spec.: 1X2 pc strandDia: 6mm, 8mm, 10mm, 12mm ... .56mm, 8.60mm, 10.75mm, 12.9mm, 15.05mm1X7 pc strand(Normal or low relaxation)Dia: 9mm, 12mm, 12.7mm ... ASTM A416, BS5689,JIS G 3536 etc.4. W.T.: 1.5ton-4ton5. Tensile strength: 1470-1860Mpa6. Yield strength: 1320- ...