... 12.7, 15.24, 17.8mm, etc. 3) Tensile strength: 1860MPa (Grade 270), 1) Construction: 1* ... 12.7, 15.24, 17.8mm, etc.3) Tensile strength: 1860MPa (Grade 270), 1725MPa(Grade 250), 1960MPa4 ... Coil Weight: 1000-4000kg/coil6)Low relaxation, High tensile strength7)application:1.used in the upper plates ... used in construction materials for PC panels, high-pressure concrete water pipes, marine structures, towers ...