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GB/T5224-2014 | ||||||||
steel strand structure | Dn/mm | Rm/MPa | Fm/kN ≥ | Fm • max/kN ≤ | FP0.2/kN ≥ | (L0≥500) Agt/% ≥ | relaxation | |
Initial load of min nominal Breaking strength | l000h Vaiue no more than r/% ≤ | |||||||
1x7 | 15.20 | 1470 | 206 | 234 | 181 | 3.5 | 70% 80% | 2.5 4.5 |
(15.24) | 1570 | 220 | 248 | 194 | ||||
1670 | 234 | 262 | 206 | |||||
9.50 | 1720 | 94.3 | 105 | 83 | ||||
(9.53) | ||||||||
11.10 | 128 | 142 | 113 | |||||
(11.11) | ||||||||
12.70 | 170 | 190 | 150 | |||||
15.20 | 241 | 269 | 212 | |||||
(15.24) | ||||||||
17.80 | 327 | 365 | 288 | |||||
(17.78) | ||||||||
18.90 | 1820 | 400 | 444 | 352 | ||||
15.70 | 1770 | 265 | 296 | 234 | ||||
21.60 | 504 | 561 | 444 | |||||
9.50 | 1860 | 102 | 113 | 89.8 | ||||
(9.53) | ||||||||
11.10 | 138 | 153 | 121 | |||||
(11.11) | ||||||||
12.70 | 184 | 203 | 162 | |||||
15.20 | 260 | 288 | 229 | |||||
(15.24) | ||||||||
15.7 | 279 | 309 | 246 | |||||
17.80 | 355 | 391 | 311 | |||||
(17.78) | ||||||||
18.90 | 409 | 453 | 360 | |||||
21.60 | 530 | 587 | 466 | |||||
9.50 | 1960 | 107 | 118 | 94.2 | ||||
(5.53) | ||||||||
11.10 | 145 | 160 | 128 | |||||
(11.11) | ||||||||
12.70 | 193 | 213 | 170 | |||||
15.20 | 274 | 302 | 241 | |||||
(15.24) | ||||||||
1 x7 | 12.70 | 1860 | 184 | 203 | 162 | |||
15.20 | 260 | 288 | 229 | |||||
(15.24) | ||||||||
(1x7) C | 12.7 | 1860 | 208 | 231 | 183 | |||
15.2 | 1820 | 300 | 333 | 264 | ||||
(15.24) | ||||||||
18.00 | 1720 | 384 | 428 | 338 |