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DS/ISO 2307:2019
Fibre ropes - Determination of certain physical and mechanical properties
This International Standard specifies, for ropes of different kinds, a method of determining each of the*following characteristics:*? linear density;*? diameter;*? lay length;*? braid pitch;*? elongation;*? breaking force.*The linear density, lay length and braid pitch are measured with the rope under a specified tension called the*reference tension, as specified in Annex A.*The elongation corresponds to the measured increase in length of the rope when the tension to which it is*subjected is increased from an initial value (reference tension) to a value equal to 50 % of the minimum*specified breaking strength of the rope.*The breaking force is the maximum force registered (or reached) during a breaking test on the test piece,*carried out on a tensile testing machine with constant rate of traverse of the moving element. The breaking*force values given in the tables of rope specifications are only valid when this type of testing machine is used.*When it is not possible to test the rope in full size, the method described in Annex B can be used, subject to*agreement between the parties involved.
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