Slings & Rigging → Wire Rope

Wire Rope

Wire rope is a machine composed of a number of precise, moving parts, designed and manufactured to bear a very definite relation to one another. In fact, some wire ropes contain more moving parts than many complicated mechanisms. For example, a 6-strand rope with 49-wire strands laid around an independent wire rope core contains a total of 343 individual wires. All of these wires must work together and move with respect to one another if the rope is to have the flexibility necessary for successful operation.

Wire rope is composed of wires, strands and a core. The basic unit of wire rope is wire, which is carefully processed and drawn from selected grades of steel to predetermined physical properties and sizes. A predetermined number of finished wires is then helically laid together in a uniform geometric pattern to form a strand. This process must be performed with precision and exactness to form a strand of correct size and characteristics. The required number of suitably fabricated strands are laid symmetrically with a definite length of lay around a core, forming the finished wire rope.

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Wire Rope - 6X19

The 6 x 19 Classification of wire rope is widely used. 6 x 19 Class wire rope is suited to the specific needs of diverse kinds of machinery and equipment due to its wear resistance and flexibility. 6 x 19 Seale construction, with its large outer wires, provides greater resistance to abrasion and crushing. However, its resistance to fatigue is somewhat less than that offered by a 6 x 25 construction. The 6 x 25 possesses the best combination of flexibility and wear resistance in the 6 x 19 Class due to the filler wires providing support and imparting stability to the strand. The 6 x 26 Warrington Seale construction has a high resistance to crushing. This construction is a good choice where the user needs the wear resistance of a 6 x 19 Class Rope and the flexibility midway between a 6 x 19 Class and 6 x 37 Class rope.


Galvanized Aircraft Cable

7x19 Galvanized Aircraft Cable is a common industry term for small diameter, corrosion- resistant, zinc-coated wire rope originally designed for aeronautical applications. It is a flexible and inexpensive cable used on winches, guy lines and numerous other commercial, industrial and marine applications. Also available with a flexible, vinyl P.V.C. coating that extends the cable's life by protecting wires from abrasion, dirt, grit and moisture, by sealing in lubrication and by reducing wear on sheaves and pulleys. Hands, clothes and other materials are protected from direct contact with wire.


Stainless Steel Aircraft Cable

7x19 Stainless Steel Aircraft Cable is a common industry term for small diameter, corrosion- resistant, zinc-coated wire rope originally designed for aeronautical applications. It is a flexible and inexpensive cable used on winches, guy lines and numerous other commercial, industrial and marine applications. Also available with a flexible, vinyl P.V.C. coating that extends the cable's life by protecting wires from abrasion, dirt, grit and moisture, by sealing in lubrication and by reducing wear on sheaves and pulleys. Hands, clothes and other materials are protected from direct contact with wire.


Wire Rope - 6X37

The 6x37 Class of wire rope is characterized by the relatively large number of wires used in each strand. Ropes of this class are among the most flexible available due to the greater number of wires per strand, however their resistance to abrasion is less than ropes in the 6x19 Class. The designation 6x37 is only nominal, as in the case with the 6x19 Class. None of the ropes actually has 37 wires per strand. Improvements in wire rope design, as well as changing machine designs, have resulted in the use of strands with widely varying numbers of wires and a smaller number of available constructions. Typical 6x37 Class constructions include 6x33 for diameters under 1/2", 6x36 Warrington Seale (the most common 6x37 Class construction) offered in diameters 1/2" through 1-5/8", and 6x49 Filler Wire Seale over 1-3/4" diameter.