TABLE
40
MINIMUM BREAKING FORCE
OF
WIRE ROPE
6 x 19 Classification, Elevator Ropes, Bright (Uncoated) Fiber Core
Nominal Approximate Minimum
Breaking
Force-Pounds*
Diameter Mass
Extra High
inches
mm
lb/ft kg/m
Iron
Traction
Strength
Traction
114
6.4 .10 .15 2,200 3,600 5,200
5/16
7.9
.16
.24
3,200 5,600 8,100
3/8
9.5 .23 .34
5,000
8,200
11,600
7/16
11.1
.31
.46 6,400 11,000 15,700
112
12.7 .40 .60
8,400 14,500 20,400
9/16
14.3
.51
.76 10,600
18,500
25,700
5/8 15.9
.63
.94 12,800 23,000
31,600
11/16
17.5 .76 1.13
15,500 27,000
38,200
3/4
19.1
.90
1.34 18,200 32,000 45,200
13/16
20.6 1.06 1.58
21,500
37,000
52,900
7/8
22.2 1.23 1.83
24,800
42,000
61,200
15/16
23.8 1.41
2.10 28,500 48,000 70,000
1
25.4 1.60 2.38
32,000
54,000
79,500
*
1 lb
==
4.448 newtons (N).
Wire Rope Technical Board - Wire Rope Users Manual, Fourth
Edition·
115
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