The product is mainly used as auxiliary reinforcing strand for concrete structure e.g. long spanned bridge on railway and highway, overhead crane beam, rock and earth anchoring construction, multirloor industrial building etc. Structure Nominal diameter (mm) Tolerance (mm) Area of section (mm) Theoretical Weight per 1000meter(kg) Tensile strength (MPa) Breakage Load (KN) Yielding Load (KN) Elongation (%) Relaxation value 1000h no more than Ⅰ Initiate load No less than 70% 80% 70% 80% 1x2 5.00 +0.20 -0.10 9.81 77.0 1570 1720 1860 15.4 16.9 18.2 13.1 14.3 15.5 3.5 8.0 12 2.5 4.5 8.00 +0.30 -0.15 25.3 199 1470 1570 1720 1860 37.2 39.7 43.5 47.1 31.61 33.7 37.0 40.0 10.00 +0.30 -0.15 39.5 310 1470 1570 1860 58.1 62.0 67.9 49.4 52.7 57.7 12.00 +0.30 -0.15 56.9 447 1470 1570 1720 83.7 89.3 97.9 71.1 75.9 83.2 standard GB/T5224-1995
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