... : ASTM/BS/JIS/GB/AS 3. Model type for PC strand: 12.7mm,12.9mm,15.2mm,15.7mm 1 ... strength1860 MpaYield strength1675MPaHardness20-35HRCStatic load test passed anchoring efficiencyηA≥0.95 and elongation ≥2% With-draw of wedge ... steel, casting iron, strip steel etc.4) Models suitable for: PC strands 1x7 - 9.3, 9.53, 12.5, 12 ... , 18.0, 21.6, 21.8mm; PC strands 1x3 - 6.5, 8.6, 10.8mm; PC Wire 4.0, 5.0, 6.0, 7. ...