... strand diameter of0.6"(15.24mm ;15.7mm) &0.5"(12.7mm ; 12.9mm)Tensile strength1860 MpaYield strength1675MPaHardness20-35HRCStatic ... the security of the prestress concrete structure directly. 1) Types: multi strand anchorage system.2) Parts: anchor, wedge, bearing plate, spiral ... for: PC strands 1x7 - 9.3, 9.53, 12.5, 12.7, 12.9, 15.2, 15.7, ... 21.6, 21.8mm; PC strands 1x3 - 6.5, 8.6, 10.8mm; PC Wire 4.0 ...