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Wire Rope - Strength
Wire rope 6-strand x 19 wire (6 x 19) - weight - minimum breaking strength and safe load
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Minimum breaking strength and safe load of Bright wire, uncoated, fiber core (FC) wire rope, improved plow steel (IPS) are indicated below.
| Rope Diameter | Minimum Breaking Strength | Safe Load | Weight | ||||
| (in) | (mm) | (lbf) | (kN) | (lbf) | (kN) | (lbm/ft) | (kg/m) |
| 1/4 | 6.4 | 5480 | 24,4 | 1100 | 4,89 | 0,11 | 0,16 |
| 5/16 | 8 | 8520 | 37,9 | 1700 | 7,56 | 0,16 | 0,24 |
| 3/8 | 9.5 | 12200 | 54,3 | 2440 | 10,9 | 0,24 | 0,36 |
| 7/16 | 11.5 | 16540 | 73,6 | 3310 | 14,7 | 0,32 | 0,48 |
| 1/2 | 13 | 21400 | 95,2 | 4280 | 19,0 | 0,42 | 0,63 |
| 9/16 | 14.5 | 27000 | 120 | 5400 | 24,0 | 0,53 | 0,79 |
| 5/8 | 16 | 33400 | 149 | 6680 | 29,7 | 0,66 | 0,98 |
| 3/4 | 19 | 47600 | 212 | 9520 | 42,3 | 0,95 | 1,41 |
| 7/8 | 22 | 64400 | 286 | 12900 | 57,4 | 1,29 | 1,92 |
| 1 | 26 | 83600 | 372 | 16700 | 74,3 | 1,68 | 2,50 |
| 1 1/8 | 29 | 105200 | 468 | 21000 | 93,4 | 2,13 | 3,17 |
| 1 1/4 | 32 | 129200 | 575 | 25800 | 115 | 2,63 | 3,91 |
| 1 3/8 | 35 | 155400 | 691 | 31100 | 138 | 3,18 | 4,73 |
| 1 1/2 | 38 | 184000 | 818 | 36800 | 164 | 3,78 | 5,63 |
| 1 5/8 | 42 | 214000 | 852 | 42800 | 190 | 4,44 | 6,61 |
| 1 3/4 | 45 | 248000 | 1100 | 49600 | 221 | 5,15 | 7,66 |
| 1 7/8 | 48 | 282000 | 1250 | 56400 | 251 | 5,91 | 8,80 |
| 2 | 52 | 320000 | 1420 | 64000 | 285 | 6,72 | 10,0 |
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