Application : auxiliary reinforcing strand concrete structure, such as large-span bridges on railway and highway, overhead crane beams, rock and earth anchoring construction, frameworks of multistoried factory buildings, etc. Standard:gb/t5224-2003, astm a416-2002, bs5896, jis g3536, as/nzs4672.1:2007. Diameterú¦9.53mm-17.8mm Tensile strength gradeú¦1470/1570/1670/1860/1960mpa.