BS EN ISO 9554:2019 pdf free.Fibre ropes - General specifications. 4.2 Construction and structure 4.2.1 Laid ropes Unless otherwise specified, 3-, 4- and 6-strand laid ropes shall be Z-twist (right-hand lay), their strands S-twist and their roping yarns Z-twist. 4.2.2 Braided ropes The 8-strand braided ropes shall consist of four S-twist strands and four Z-twist strands arranged so that S-twist...
BS pdf free download