Cal-Wire Stranding Company
BRIDGE ROPE

MINIMUM BREAKING STRENGTH IN TONS OF 2000 LBS
NOMINAL
DIAMETER
IN INCHES
CLASS "A" COATING THROUGHOUT
CLASS "A" INNER
CLASS "B" OUTERS
CLASS "B" COATING THROUGHOUT
CLASS "A" INNER
CLASS "C" OUTERS
CLASS "C" COATING THROUGHOUT
APPROX BROSS METALLIC AREA, IN SQ
APPROX
WEIGHT
LBS/FT
 3/8
6.5
6.3
6.2
6.1
5.9
0.065
.024
7/16
8.8
8.5
8.4
8.2
8
0.091
0.32
1/2
11.5
11.1
11.0
10.7
10.5
0.119
.042
9/16
14.5
14.0
13.8
13.5
13.2
0.147
0.53
  5/8
18.0
17.4
17.2
16.8
16.4
0.182
.65
11/16
21.5
20.8
20.5
20.0
19.5
0.221
0.79
3/4
26.0
25.1
24.8
24.2
23.6
0.268
0.95
13/16
30.0
29.0
28.6
28.0
27.3
0.311
1.10
7/8
35
33.8
33.4
32.6
31.8
0.361
1.28
15/16
40.0
38.6
38.2
37.3
36.4
0.414
1.47
1
45.7
44.1
43.6
42.6
41.5
0.471
1.67
1 1/8
57.8
55.8
55.1
53.9
52.5
0.596
2.11
1 1/4
72.2
69.7
68.9
67.3
65.6
0.745
2.64
1 3/8
87.8
84.8
83.8
81.8
79.8
0.906
3.21
1 1/2
104.0
100.0
99.2
96.9
94.5
1.076
3.82
1 5/8
123.0
120.0
117.0
117.0
112.0
1.270
4.51
1 3/4
143.0
140.0
136.0
136.0
130.0
1.470
5.24
1 7/8
164.0
160.0
156.0
156.0
149.0
1.690
6.03
2
186.0
182.0
177.0
177.0
169.0
1.920
6.85

BRIDGE ROPES PER ASTM A603

HOME