... strand 1. Dia: from 6mm to 17.8mm 2. Standard: GB/T5224, ASTM A416, BS5689,JIS G 3536 etc. 3. Structure ... :1X 2, 1X 3, 1X7 1. Type: pc strand, pc steel strand, ... 15mm, 15.2mm, 15.24mm, 15.7mm, 17.8mm 3. Standard: GB/T5224, ASTM A416, BS5689,JIS G 3536 ... etc.4. W.T.: 1.5ton-4ton5. Tensile strength: 1470-1860Mpa6. Yield strength: 1320 ...