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.
1*2 pc Strand parameter
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 |
1*3 pc Strand parameter
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
L0≥400
mm(%) |
Relaxation value 1000h
no more than |
|
Initiate load |
Not less than |
70% |
80% |
70% |
80% |
1x3 |
6.20 |
+0.20
-0.10 |
19.8 |
77 |
1570
1720
1860 |
31.1
34.1
36.8 |
26.4
29.0
31.3 |
3.5 |
8.0 |
12 |
2.5 |
4.5 |
6.50 |
+0.20
-0.10 |
21.3 |
104 |
1570
1720
1860 |
33.3
36.5
39.4 |
28.3
31.0
33.5 |
8.60 |
+0.30
-0.15 |
37.4 |
199 |
1470
1570
1720
1860 |
55.9
59.7
65.4
70.7 |
47.5
50.7
55.6
60.1 |
8.74 |
+0.30
-0.15 |
38.64 |
306 |
1570 |
60.6 |
51.5 |
10.80 |
+0.30
-0.15 |
59.3 |
465 |
1470
1570
1860 |
87.2
93.1
110 |
74.1
79.2
93.5 |
12.9 |
+0.30
-0.15 |
85.4 |
671 |
1470
1570
1720 |
126.0
134.0
146.9 |
107.0
114.0
124.9 |
standard |
GB/T5224-1995 |
1*7 pc Strand parameter
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 |
|
Initiate load |
No less than |
70% |
80% |
70% |
80% |
1x7
Standard |
9.50 |
+0.30
-0.15 |
54.8 |
432 |
1860 |
102 |
86.6 |
3.5 |
8.0 |
12 |
2.5 |
4.5 |
11.0 |
+0.30
-0.15 |
74.2 |
580 |
1860 |
138 |
117 |
12.7 |
+0.40
-0.20 |
98.7 |
774 |
1860 |
184 |
156 |
15.2 |
+0.40
-0.20 |
139 |
1101 |
1720 |
239 |
203 |
1860 |
259 |
220 |
1x7
Diedrawn |
12.7 |
+0.40
-0.20 |
112 |
890 |
1860 |
209 |
178 |
15.2 |
+0.40
-0.20 |
165 |
1295 |
1820 |
300 |
255 |
standard |
GB/T5224-1995 |
|