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TECHNOLOGY
Intro | Cable 101 | Wire Rope Detail and Data | Putting It Together - Cable Assemblies

WIRE ROPE DETAIL AND DATA


Some of the following data is also contained in the section that is specific to the assembly design.

MEASURING WIRE ROPE


Detailed Image
Wire rope must be measured using the correct technique. Please refer to the diagram to the left.

1 X 7 CONSTRUCTION


In a 7-wire strand (1 x 7), 6 wires are laid around a center wire.

Dia. (in.) Dia. Tol. (in. + only) Weight (lbs/mft) MBS (lbs)
Galvanize Wire Stainless Steel Wire
1/64 .003 .55 40 40
1/32 .003 2.5 *185 *185
3/64 .005 5.5 *375 *375
1/16 .006 8.5 500 500
5/64 .008 14.0 800 800
3/32 .009 20.0 1200 1200
7/64 .011 27.0 1600 1600
1/8 .013 35.0 2100 2100
5/32 .016 55.0 3300 3300
3/16 .013 77.0 4700 4700

* Complies with Government Specification, MIL-DTL-87161. All other items comply with Industry Standard Specifications.

1 X 19 CONSTRUCTION

In a 19 wire strand (1 x 19), 6 wires are laid around a center wire with a right hand lay in the first phase of production, 12 wires are then laid around the 6 wires with a left hand lay as the second phase of production. The lay may be reversed.

Dia. (in.) Dia. Tol. (in. + only) Weight (lbs/mft) MBS (lbs)
Galvanized Wire Stainless Steel Wire
1/32 .003 2.5 185 185
3/64 .005 5.5 375 375
1/16 .006 8.5 *500 *500
5/64 .008 14.0 *800 *800
3/32 .009 20.0 *1200 *1200
7/64 .009 27.0 *1600 *1600
1/8 .013 35.0 *2100 *2100
5/32 .013 55.0 *3300 *3300
3/16 .013 77.0 *4700 *4700
7/32 .015 122.0 *6300 *6300
1/4 .018 135.0 *8200 *8200

* Complies with Government Specification, MIL-DTL-87161. All other items comply with Industry Standard Specifications.

7 X 7 CONSTRUCTION

A 7 x 7 wire rope consists of 6 strands of 7 wires each strand, laid around a core of 7 wires. this construction shall have a length of lay of not more than 8 times nor less than 6 times the cable diameter.

Dia. (in.) Dia. Tol. (in. + only) Weight (lbs/mft) MBS (lbs)
Galvanized Wire Stainless Steel Wire
1/32 .006 1.6 +*110 +*110
3/64 .008 4.2 *270 *270
1/16 .010 7.5 *480 *480
5/64 .010 11.0 650 650
3/32 .012 16.0 *920 *920
1/8 .014 28.0 1700 1700
5/32 .016 43.0 2600 2600
3/16 .018 62.0 3700 3700
7/32 .018 83.0 4800 4800
1/4 .018 106.0 6100 6100
9/32 .020 134.0 7600 7600
5/16 .022 167.0 9200 9200
3/8 .026 236.0 13100 13100

+ 3 x 7 construction
* Complies with Government Specification MIL-DTL-83420. All others comply with Standard Specifications.

7 X 19 CONSTRUCTION

A 7 x 19 wire rope consists of 6 strands laid around a core strand. The wire composing the 7 individual strands are laid around a center wire in two layers. The single core strand consists of a layer of 6 wires laid around the center wire in a right hand lay, and a layer of 12 wires laid around the 7 wires strand in a left hand lay.

The 6 outer strands of the wire rope consist of a layer of 6 wires laid around the center wire in a left hand lay, and a layer of 12 wires laid around the 7 wire strand in a left hand lay.

Dia. (in.) Dia. Tol. (in. + only) Weight (lbs/mft) MBS (lbs)
Galvanized Wire Stainless Steel Wire
1/16 .010 7.5 480 480
3/32 .012 16.0 1000 920
1/8 .014 29.0 2000 1760
5/32 .016 45.0 2800 2400
3/16 .018 65.0 4200 3700
7/32 .018 86.0 5600 5000
1/4 .018 110.0 7000 6400
9/32 .020 139.0 8000 7800
5/16 .022 173.0 9800 9000
11/32 .024 207.0 *12500 *N/A
3/8 .026 243.0 14400 12000
* Complies with Industry Standard Specification. All others comply with Government Specification MIL-DTL-83420.

FITTINGS

The fittings that are used for an assembly are specific to the type of assembly that is being designed. Please refer to those sections for specific information on those fittings.
 

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