Polyester Polyolefin Rope - Strength
Polyester Polyolefin dual fiber rope 3-strand - minimum breaking strength and safe load
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Minimum breaking strength and safe load of polyester polyolefin rope are indicated below.
| Rope Diameter | Minimum Breaking Strength | Safe Load (Safety Factor 12) |
Weight | ||||
| (in) | (mm) | (lbf) | (kN) | (lbf) | (kN) | (lbm/ft) | (kg/m) |
| 1/4 | 6 | 1200 | 5.34 | 100 | 0.445 | 0.016 | 0.024 |
| 5/16 | 8 | 1870 | 8.3 | 156 | 0.693 | 0.025 | 0.037 |
| 3/8 | 10 | 2700 | 12.0 | 225 | 1.00 | 0.036 | 0.054 |
| 7/16 | 11 | 3500 | 15.6 | 292 | 1.30 | 0.048 | 0.071 |
| 1/2 | 12 | 4400 | 19.6 | 367 | 1.63 | 0.062 | 0.092 |
| 9/16 | 14 | 5200 | 23.1 | 433 | 1.93 | 0.079 | 0.118 |
| 5/8 | 16 | 6100 | 27.1 | 508 | 2.26 | 0.095 | 0.141 |
| 3/4 | 18 | 8400 | 37.4 | 700 | 3.11 | 0.135 | 0.201 |
| 7/8 | 22 | 11125 | 49.5 | 927 | 4.12 | 0.180 | 0.268 |
| 1 | 24 | 13175 | 58.6 | 1100 | 4.89 | 0.218 | 0.324 |
| 1 1/16 | 26 | 14775 | 66 | 1230 | 5.47 | 0.245 | 0.365 |
| 1 1/8 | 28 | 16325 | 73 | 1360 | 6.05 | 0.271 | 0.403 |
| 1 1/4 | 30 | 19900 | 89 | 1660 | 7.38 | 0.334 | 0.495 |
| 1 3/8 | 32 | 21950 | 98 | 1830 | 8.14 | 0.365 | 0.543 |
| 1 1/2 | 36 | 28250 | 126 | 2350 | 10.5 | 0.470 | 0.699 |
| 1 5/8 | 40 | 32950 | 147 | 2750 | 12.2 | 0.550 | 0.818 |
| 1 3/4 | 44 | 36850 | 164 | 3070 | 13.7 | 0.620 | 0.923 |
| 2 | 48 | 48050 | 214 | 4000 | 17.8 | 0.810 | 1.21 |
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