TABLE 39 MINIMUM BREAKING FORCE OF WIRE ROPE
35 x 7 Classification Compacted Strand Rotation Resistant - Category 1
Diameter
Approximate Mass Minimum Breaking Force*
1960
2160
inches
mm
lb/ft kg/m
tons
k:N
tons
k:N
10 0.33 0.50 87.6 98.3
11
0.40 0.60 105 118
7/16
0.41 0.61 12.1 13.4
12
0.48 0.72 124
140
112
0.54 0.80 15.4
17.4
13
0.56 0.84 144 162
14
0.65
0.97
168 188
9/16
0.68
1.01
19.7 22.0
5/8
0.84 1.25 25.2 28.2
16
0.85 1.27 224
251
18
1.08 1.61
274
308
19 1.21 1.79 307
344
3/4 1.21
1.80 34.5 38.7
20 1.34
1.99
341 382
22 1.62
2.40
415 466
7/8
1.65 2.45 47.2 53.0
24
1.92
2.86 491 555
1
2.15 3.21 62.4
70.0
26 2.26 3.36 588
660
28 2.62 3.90
676
758
1118 2.73
4.06 77.5
86.9
1
114
3.37 5.01 98.1
110
32 3.42
5.09 873
980
1 3/8 4.07
6.06
117
124
36 4.33
6.44 1110
1232
11/2 4.85 7.21 138
147
40 5.34
7.95
1390
1521
1 5/8
5.69
8.47 167 182
*
To
convert to Kilonewtons (kN), multiply tons (minimum breaking force) by 8.896;
114 • Wire Rope Technical Board - Wire Rope Users Manual, Fourth Edition
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