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Nance and Underwood Rigging and Sails
    Quality Rigging Since 1988
      Lloyds Accredited
        First in Service and Installs




954-764-6001 · 800-328-9782
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RIGGING BREAKING STRENGTHS
Please find below typical rigging breaking strengths for many marine stainless steel, rope, rod and Kevlar&re rigging applications.

TYPICAL RIGGING BREAKING STRENGTHS*


Dacron® Double Braid Rope
Type 316 1X19** Stainless Wire Rope - Metric 100% Spectra® Core Rope w/Dacron® Cover

*Breaking strength may vary widely by manufacturer **Typical American wire ***Typical European wire

Type 316 1X7 Compact Strand Stainless Wire Rigging
mm
lb
kg
mm
lb
kg
2.5
1518
690
3.5
2975
1350
3
2200
1000
4
3925
1780


Type 302 1X19 Stainless Wire Rigging
Size
Breaking strength
size
Breaking strength
in
lb
kg
in
lb
kg
1/16
500
227
9/32
10300
4671
3/32
1200
544
5/16
12500
5669
1/8
2100
952
3/8
17500
7936
5/32
3300
1497
7/16
23400
10612
3/16
4700
2131
1/2
29700
13469
7/32
6300
2857
9/16
36500
13553
1/4
8200
3719
5/8
44000
19954


Type 316 1 X19 Stainless Wire Rope - Imperial
in
lb
kg
in
lb
kg
3/16
3960
1800
3/8
14500
6580
7/32
5445
2470
1/2
25680
11650
1/4
7090
3220
-
-
-


Type 316 1 X19 Stainless Wire Rope - Metric
Size
Breaking strength
size
Breaking strength
mm
lb
kg
mm
lb
kg
2
706
320
9
12944
5870
2.5
1103
500
9.53
14509
6580
3
1588
720
10
15987
7250
4
2822
1280
11
19338
8770
4.76
3969
1800
12
22933
10400
5
4410
2000
12.7
25689
11650
5.56
5447
2470
14
31268
14180
6
6351
2880
16
40926
18560
6.35
7100
3220
19
47674
21620
7
7828
3550
22
64101
29070
8
10232
4640
26
89526
40600


Type 316 1X19 Dyform® Stainless Wire Rigging
in
lb
kg
in
lb
kg
3/16
4928
2235
5
5380
2440
1/4
8844
4011
6
7828
3550
9/32
10802
4899
7
10827
4910
5/16
13530
6136
8
13561
6150
3/8
19272
8740
10
21544
9770
7/16
26620
12072
11
26620
12072
1/2
42460
19256
16
56320
25541
9/16
42460
19256
16
56320
25541
5/8
56320
25541
19
70400
31926
3/4
70400
31926
-
-
-


Type 302 7X19 Stainless Wire Rope
in
lb
kg
in
lb
kg
1/16
500
225
1/4
6400
2900
3/32
920
475
9/32
7800
3530
1/8
1760
790
5/16
9000
4080
5/32
2400
1080
3/8
12000
5440
3/16
3700
1670
7/16
16300
7390
7/32
5000
2260
1/2
22800
10340


Type 316 7X19 Stainless Wire Rope
in
lb
kg
in
lb
kg
3/16
2830
1285
3
1120
510
7/32
3865
1750
4
2130
970
1/4
5040
2280
5
3130
1420
3/8
11350
5150
6(-8)
4490
2040
1/2
20165
9140
7(-12)
6120
2780
-
-
-
8
8000
3630
-
-
-
10
12500
5670
-
-
-
12
17990
8160
-
-
-
14
24470
11100
-
-
-
16
29980
13600

 

 
Nitronic® 50 (22-13-5) Stainless Rod Rigging
 
Breaking strength
size
Breaking strength
Size
lb
kg
mm
lb
kg
-4
4700
2136
3.5
3202
1452
-6
6300
2864
4
4101
1860
-8
8200
3727
4.5(-4)
5006
2270
-10
10300
4682
5(-6)
5998
2720
-12
12500
5682
5.5
7100
3220
-17
17500
7955
6(-8)
8600
3900
-22
22500
10227
6.5(-10)
9923
4500
-30
30000
13636
7(-12)
11797
5350
-40
38000
17273
7.5
14112
6400
-48
46000
20909
8
16207
7350
-60
59000
26818
8.5(-17)
17641
8000
-76
76000
34545
9
19846
9000
-91
90000
40909
9.5(-22)
21499
9750
-115
117000
53182
11.1(-30)
29989
13600
-
-
-
12.7(-40)
35943
16300
-
-
-
14.3(-48)
46086
20900
-
-
-
16.75(-60)
59096
26800
-
-
-
18.03(-66)
65050
29500
-
-
-
20.6
74972
34000
-
-
-
22.73(-90)
89966
40800


Dacron® Double Braid Rope
Size
Breaking strength
size
Breaking strength
in
lb
kg
mm
lb
kg
1/4
1800
815
6
2360
1070
5/16
2800
1270
8
4012
1820
3/8
3750
1700
90
4960
2250
7/16
5500
2490
10
7030
3190
1/2
7000
3175
12
9520
4320
9/16
10000
4535
14
13160
5970
5/8
14000
6350
16
17285
7840
7/8
25000
11340
20.6
22460
10190


100% Spectra® Core Rope w/Dacron® Cover
in
lb
kg
mm
lb
kg
3/16
1600
726
2
360
163
1/4
4300
1950
3
540
244
5/16
7400
3355
4
1300
590
3/8
9500
4300
5
2180
989
7/16
11500
5210
6
3300
1500
1/2
16000
7250
8
6590
2990
9/16
22000
9980
10
9130
4140
5/8
27000
12250
12
11860
5380
3/4
37000
16780
14
16000
7250
7/8
50000
22680
22
38000
17235
1
60000
27215
-
-
-


Technora® Core Rope w/Dacron® Covers
Size
Breaking strength
size
Breaking strength
in
lb
kg
in
lb
kg
3/32
850
385
2
850
385
1/8
1650
748
3
1650
748
5/32
2400
1088
4
2400
1088
3/16
3100
1406
5
3100
1406
1/4
5150
2335
6
5150
2335
5/16
7800
3537
8
7800
3537
3/8
10750
4875
9
10750
4875
7/16
14000
6350
10
14000
6350
1/2
20400
9251
12
20400
9251
9/16
22000
9977
14
22000
9977
5/8
35000
15873
16
35000
15873


High Modulus Kevlar® Cable
Cover 0
Breaking strength
Cover 0
Breaking strength
mm
lb
kg
mm
lb
kg
5.7
2205
1000
13.3
19850
9000
6.6
3310
1500
15.5
26450
12000
7.5
5070
2300
16.8
33070
15000
8.6
6615
3000
19.5
44095
20000
10.3
11025
5000
22
55115
25000
12.5
15430
7000
25.2
68350
3100



Nance & Underwood Rigging and Sails is your source for all of your rigging and sail equipment and services world wide. We can ship rigging and sails gear anywhere. No matter where you are, Nance & Underwood will always be here to assist you. We can arrange the repair of your rigging hardware and/or sails here in our facility. Contact Us today for more information.

Nance & Underwood Rigging and Sails
262 SW 33rd Street · Fort Lauderdale Florida 33315
Ph: 954-764-6001 · Fax: 954-764-5977 · Toll Free: 800-328-9782
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