Table 3 - Single-layer and Parallel-closed Ropes (BS ISO 4309:2010)

Rope category numberRCNTotal number of load-bearing wires in the outer layer of strands in the rope (a)(n)Number of visible outer broken wires (b)

Sections of rope working in steel sheaves and/or spooling on a single-layer spooling drumWire breaks randomly distributedSections of rope spooling on a multi-layer spooling drum (c)

Classes M1 to M4 or class unknown (d)All classes

Ordinary LayLangs LayOrd & Langs

Over a length of 6d (e)Over a length of 30d (e)Over a length of 6d (e)Over a length of 30d (e)Over a length of 6d (e)Over a length of 30d (e)

01n 50241248

0251 n 753623612

0376 n 1004824816

04101 n 120510251020

05121 n 140611361222

06141 n 160613361226

07161 n 180714471428

08181 n 200816481632

09201 n 220918491836

10221 n 24010195102038

11241 n 26010215102042

12261 n 28011226112244

13281 n 30012246122448

n >3000,04 . n0,08 . n0,02 . n0,04 . n0,08 . n0,16 . n