As the lifting sector largely refers to the ISO 4308 standard and the rules of the F.E.M., we will adopt below the main notations and symbols.

The designation of the ropes, the normative and informative factors as they appear in the latest available EN standards will be used.

Basic terminology and symbols (according to EN 12385-2) :

    • Parallel lay wires : CWP
    • Independently wired : CWR
    • Structural strand : CWS


    • Natural : CFN
    • Synthetic : CFS


  • Lay construction :
    • right : Z
    • left : S
composition of a wire rope
wiring direction

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