Prestressed Steel Strand
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