Extract from ISO 4309 -2010.docx

Table 3 - Single-layer and Parallel-closed Parallel-closed Ropes (BS ISO 4309:2010 Rope category number  RCN

Total Total 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 drum Wire breaks randomly distributed 

Sections of rope spooling on a multi-layer spooling drum (c)

Classes !" to !# or class unknown (d) %rdinary &ay

$ll classes

&ang's &ay

%rd  &ang's

%ver a length of d (e)

%ver a length of *+d (e)

%ver a length of d (e)

%ver a length of *+d (e)

%ver a length of d (e)

%ver a length of *+d (e)

+"

n , +

.

#

"

.

#

/

+.

", n ,0

*



.

*



".

+*

0, n ,"++

#

/

.

#

/

"

+#

"+", n ,".+



"+

.



"+

.+

+

".", n ,"#+



""

*



".

..

+

"#", n ,"+



"*

*



".

.

+0

"", n ,"/+

0

"#

#

0

"#

./

+/

"/", n ,.++

/

"

#

/

"

*.

+1

.+", n ,..+

1

"/

#

1

"/

*

"+

..", n ,.#+

"+

"1



"+

.+

*/

""

.#", n ,.+

"+

."



"+

.+

#.

".

.", n ,./+

""

..



""

..

##

"*

./", n ,*++

".

.#



".

.#

#/

 n 2*++

+3+# 4 n

+3+/ 4 n

+3+. 4 n

+3+# 4 n

+3+/ 4 n

+3" 4 n