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Cordage |
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CAUTION!
- Working loads are recommended guidelines only.
- Specs are based on test of new and unused ropes of current manufacturers.
- Once rope is put into service it is continuously deteriorating.
- Manila and sisal rope will deteriorate in storage even under ideal conditions.
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Nominal Size
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Manila
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Nylon
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Polypropylene
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Diameter
|
Circum.
|
Linear
Density¹
(Lbs/100ft)
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Minimum
Tensile
Strength²
(Lbs.)
|
Max.
Working³
Load
(Lbs.)
|
Linear
Density¹
(Lbs/100ft)
|
Minimum
Tensile
Strength²
(Lbs.)
|
Max.
Working³
Load
(Lbs.)
|
Linear
Density²
(Lbs/100ft)
|
Minimum
Tensile
Strength²
(Lbs.)
|
Max.
Working³
Load
(Lbs.)
|
|
3/16
|
5/8
|
1.50
|
406
|
41
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1.00
|
900
|
75
|
.70
|
720
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72
|
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1/4
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3/4
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2.00
|
540
|
54
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1.50
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1,490
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124
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1.20
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1,130
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113
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5/16
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1
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2.90
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900
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90
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2.50
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2,300
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192
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1.80
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1,710
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171
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3/8
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1-1/8
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4.10
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1,220
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122
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3.50
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3,340
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278
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2.80
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2,440
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244
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7/16
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1-1/4
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5.25
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1,580
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176
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5.00
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4,500
|
410
|
3.80
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3,160
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352
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1/2
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1-1/2
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7.50
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2,380
|
264
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6.50
|
5,750
|
525
|
4.70
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3,780
|
420
|
|
9/16
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1-3/4
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10.4
|
3,100
|
388
|
8.15
|
7,200
|
720
|
6.10
|
4,600
|
575
|
|
5/8
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2
|
13.3
|
3,960
|
496
|
10.5
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9,350
|
935
|
7.50
|
5,600
|
700
|
|
3/4
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2-1/4
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16.7
|
4,860
|
695
|
14.5
|
12,800
|
1,420
|
10.7
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7,650
|
1,090
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13/16
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2-1/2
|
19.5
|
5,850
|
835
|
17.0
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15,300
|
1,700
|
12.7
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8,900
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1,270
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7/8
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2-3/4
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22.4
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6,950
|
995
|
20.0
|
18,000
|
2,000
|
15.0
|
10,400
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1,490
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|
1
|
3
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27.0
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8,100
|
1,160
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26.4
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22,600
|
2,520
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18.0
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12,600
|
1,800
|
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1-1/16
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3-1/4
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31.2
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9,450
|
1,350
|
29.0
|
26,000
|
2,880
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20.4
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14,400
|
2,060
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1-1/8
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3-1/2
|
36.0
|
10,800
|
1,540
|
34.0
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29,800
|
3,320
|
23.8
|
16,500
|
2,360
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1-1/4
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3-3/4
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41.6
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12,200
|
1,740
|
40.0
|
33,800
|
3,760
|
27.0
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18,900
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2,700
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1-5/16
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4
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47.8
|
13,500
|
1,930
|
45.0
|
38,800
|
4,320
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30.4
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21,200
|
3,020
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1-1/2
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4-1/2
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60.0
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16,700
|
2,380
|
55.0
|
47,800
|
5,320
|
38.4
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26,800
|
3,820
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1-5/8
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5
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74.5
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20,200
|
2,880
|
66.5
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58,500
|
6,500
|
47.6
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32,400
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4,620
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1-3/4
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5-1/2
|
89.5
|
23,800
|
3,400
|
83.0
|
70,000
|
7,800
|
59.0
|
38,800
|
5,550
|
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2
|
6
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108.0
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28,000
|
4,000
|
95.0
|
83,000
|
9,200
|
69.0
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46,800
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6,700
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2-1/8
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6-1/2
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125.0
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32,400
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4,620
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109.0
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95,500
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10,600
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80.0
|
55,000
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7,850
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2-1/4
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7
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146.0
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37,000
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5,300
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129.0
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113,000
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12,600
|
92.0
|
62,000
|
8,850
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2-1/2
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7-1/2
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167.0
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41,800
|
5,950
|
149.0
|
126,000
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14,000
|
107.0
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72,000
|
10,300
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2-5/8
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8
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191.0
|
46,800
|
6,700
|
168.0
|
146,000
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16,200
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120.0
|
81,000
|
11,600
|
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2-7/8
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8-1/2
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215.0
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52,000
|
7,450
|
189.0
|
162,000
|
18,000
|
137.0
|
91,000
|
13,000
|
|
3
|
9
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242.0
|
57,500
|
8,200
|
210.0
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180,000
|
20,000
|
153.0
|
103,000
|
14,700
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3-1/4
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10
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298.0
|
69,500
|
9,950
|
264.0
|
226,000
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25,200
|
190.0
|
123,000
|
17,600
|
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3-5/8
|
11
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366.0
|
82,000
|
11,700
|
312.0
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270,000
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30,000
|
232.0
|
146,000
|
20,800
|
|
4
|
12
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434.0
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94,500
|
13,500
|
380.0
|
324,000
|
36,000
|
276.0
|
171,000
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24,000
|
|
4-1/4
|
13
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|
|
|
445.0
|
380,000
|
42,200
|
325.0
|
202,000
|
28,900
|
|
4-1/2
|
14
|
|
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|
520.0
|
441,000
|
49,000
|
375.0
|
234,000
|
33,400
|
|
5
|
15
|
|
|
|
590.0
|
507,000
|
56,300
|
430.0
|
268,000
|
38,300
|
|
5-1/4
|
16
|
|
|
|
675.0
|
572,000
|
63,600
|
490.0
|
302,000
|
43,100
|
|
5-5/8
|
17
|
|
|
|
765.0
|
635,000
|
70,600
|
555.0
|
329,000
|
47,000
|
|
6
|
18
|
|
|
|
860.0
|
698,000
|
77,600
|
625.0
|
360,000
|
51,400
|
- LINEAR DENSITY: (pounds per 100 feet) shown is "average." Maximum is 5% higher.
- NEW ROPE TENSILE STRENGTHS: are based on tests of new and unused rope of standard construction in accordance with Cordage Institute Standard Test Methods.
- MAX. WORKING LOADS: are for rope in good condition with appropriate splices in noncritical applications, and under normal service conditions. Working loads should be reduced where life, limb, or valuable property are involved, or for exceptional service conditions such as shock loads, sustained loads, etc.
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Dreyfus-Cortney-Lowery Mooring and Rigging
(A Division of Dreyfus-Cortney, Inc.)
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