• Table 2: Synthetic Fibre Rope Properties

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  • Material

    Rope Construction

    Strength kN/cm2*

    Stiffness kN/cm2*

    Remarks

    Nylon

    braided

    plaited

    25

    20

    82

    87

    Dry strengths only, wet strength 10-20% less.

    Polyester

    braided

    plaited

    7-strand

    parallel strand

    parallel fibre

    25

    20

    45

    50

    35

    210

    160

    400

    550

    1000

    Wet and dry strengths.

     

    including jacket

    including jacket

    including jacket

    Aramid

    36-strand

    parallel strand

    parallel fibre

    parallel fibre

    70

    65

    95

    90

    3,300

    2,100

    4,300

    8,000

    including jacket

    "

    K29, inc. jacket

    K49, inc. jacket

    HMPE

    braided

    7-strand

    parallel strand

    55

    55

    65

    1,500

    2,000

    3,000

    unjacketed

    including jacket

    including jacket

    Steel

    7-strand

    bridge strand

    solid bar

    85

    110

    140

    6,800

    14,000

    21,000

    6x36 IWRC

    not including jacket

    4340 steel

     

    * NOTES: Approximate values, actual properties may vary widely. Cross sections based on cylindrical enclosed area including jacket where applicable. Multiply by 1430 to convert to lb/in2.

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