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Prestressed steel strand
2. Material: 77B,82B, SAE1008, SAE,1006, Q235
3. Structure:1*3 ,1*7, 1*19
4. Diameter: 5.4mm, 8.6mm, 10.8mm, 12.9mm, 9.53mm, 11.1mm, 12.7mm, 15.24mm, 15.7mm,
17.8mm, 21.8mm
5. Standard:
ASTM A416/A416M-06
|
Grade MPa [ksi] |
Diameter mm |
Min breaking strength KN |
Unit Weight kg/km |
Min yield strength kN |
Min Elongation % |
Relaxation |
|
|
Initial load of min nominal breaking strength |
1000h Value No more than |
||||||
|
1725 [250] |
9.5 |
89.0 |
405 |
80.1 |
3.5 (l≥600mm) |
60% 70% 80% |
1.0% 2.5% 4.5% |
|
11.1 |
120.1 |
548 |
108.1 |
||||
|
12.7 |
160.1 |
730 |
144.1 |
||||
|
15.2 |
240.2 |
1094 |
216.2 |
||||
|
1860 [270]
|
9.53 |
102.3 |
432 |
92.1 |
|||
|
11.11 |
137.9 |
582 |
124.1 |
||||
|
12.70 |
183.7 |
775 |
165.3 |
||||
|
13.20 |
200.2 |
844 |
180.1 |
||||
|
14.29 |
230.2 |
970 |
207.0 |
||||
|
15.24 |
260.7 |
1102 |
234.6 |
||||
|
17.78 |
353.2 |
1487 |
318.0 |
||||
|
2000 [290] |
12.70 |
197.4 |
775 |
177.7 |
|||
|
13.20 |
215.4 |
844 |
193.9 |
||||
|
15.24 |
280.0 |
1102 |
252.0 |
||||
BS 5896/3—1980
|
Type |
Nominal Diameter mm |
Tensile Strength MPa |
Unit Weigh g/m |
Min yield strength kN |
Min breaking strength kN |
Min Elongation Lo>600m % |
1000h Value No more than |
|
Standard 7 wire |
15.2 15.2 |
1670 1860 |
1090 1102 |
197 221 |
232 260 |
3.5 (l≥500mm) |
≤2..5% |
|
Super 7 wire |
12.9 15.7 15.7 |
1860 1770 1860 |
785 1180 1180 |
158 225 237 |
186 265 279 |
||
|
Compact 7 wire |
12.7 15.2 18.0 |
1860 1820 1700 |
890 1295 1750 |
178 255 323 |
209 300 380 |
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