TABLE
42
MINIMUM
BREAKING FORCE
OF
WIRE
ROPE
Compacted
(Swaged)
Wire
Rope
6 x
19
and
6 x
37
ClassificationiBright (Uncoated),
IWRC
Nominal Diameter Approximate Mass Minimum Breaking Force*
inches
mm
Ib/ft
kglm
tons metric tonnes
112
12.7 0.55 0.82 15.5
14.0
9/16 14.3 0.70 1.04 19.6 17.8
5/8
15.9 0.87 1.29 24.2 22.0
3/4
19.1
1.25 1.86 34.9 31.7
7/8
22.2 1.70 2.53 47.4 43.0
1 25.4 2.22
3.30
62.0
56.3
1-1/8
28.6 2.80 4.16 73.5 66.7
1-1/4
31.8 3.40 5.05 90.0 81.8
1-3/8
34.9 4.20 6.24
106 96.2
1-1/2
38.1
5.00
7.43 130
118
*
To
convert to Kilonewtons (kN), mUltiply tons (minimum breaking force) by 8.896;
lIb;;:
4.448 newtons (N).
Wire Rope Technical Board - Wire Rope Users Manual, Fourth
Edition'
117
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