Application Based Industry

6X21F

Mass and Breaking Force for 6X21F (12-6F-6-1) Construction Ropes.
Nominal Rope Dia. Approx Mass  of Rope Minimum Breaking Force corresponding to Rope Grade of
1570 1770 1960
FIBRE CORE STEEL CORE FIBRE CORE STEEL CORE FIBRE CORE STEEL CORE FIBRE CORE STEEL CORE
(CF) (CWR) (CF) (CWR) (CF) (CWR) (CF) (CWR)
(1) (2) (3) (4) (5) (6) (7) (8) (9)
mm Kg/100Mtr KN KN KN KN KN KN
8 24.3 26.8 34 37 38 41 42 46
9 30.8 33.9 43 46 48 52 54 58
10 38.0 41.8 53 57 60 65 66 71
11 46.0 50.6 64 69 72 78 80 86
12 54.7 60.2 76 82 86 93 95 103
13 64.3 70.7 90 97 101 109 112 121
14 74.5 82 104 112 117 127 130 140
15 85.5 94 119 129 134 145 149 161
16 97.3 107 136 147 153 165 169 183
18 123 135 172 186 194 209 214 232
19 137 151 191 207 216 233 239 258
20 152 167 212 229 239 258 265 286
22 184 202 257 277 289 312 320 346
24 219 241 305 330 344 372 381 412
25 238 261 331 358 374 403 414 447
26 257 283 358 387 404 436 447 483
28 298 328 416 449 469 506 519 560
29 320 352 446 482 503 543 557 601
30 342 376 477 515 538 581 596 643
31 365 402 510 550 574 620 636 687
32 389 428 543 586 612 661 678 732
34 440 483 613 662 691 746 765 826
35 466 512 649 701 732 791 811 876
36 493 542 687 742 775 837 858 926
38 549 604 766 827 863 932 956 1032
40 608 669 848 916 956 1033 1059 1144
NOTE:- To Calculate the Aggregate Breaking Force, Multiply the figures given in col 4,6 and 8 by 1.163 and in col 5,7 and 9 by 1.25.  
1) Wire Strand Core ( CWS) may be used for Rope diameter 12mm and below.