Anchor Rope Break Load and Chain Compatibility Chart
The strength (breaking load) of your anchor rope should be broadly comparable with the strength of your anchor chain.
| Rope \ Rope Diameter | 10mm | 12mm | 14mm | 16mm | 18mm | 20mm | 24mm |
|---|---|---|---|---|---|---|---|
| LIROS 3 Strand Nylon | 2440Kg | 3365Kg | 4485Kg | 5710Kg | 7135Kg | 8300Kg | 12030Kg |
| LIROS Anchorplait Nylon | 2440Kg | 3365Kg | 4485Kg | 5710Kg | 7135Kg | 8300Kg | 12030Kg |
| LIROS Octoplait Polyester | 2040Kg | 2445Kg | 3870Kg | 4790Kg | 5910Kg | 7750Kg | 11820Kg |
| LIROS 3 Strand Polyester | 2040Kg | 2445Kg | 3870Kg | 4790Kg | 5910Kg | 7750Kg | 11820Kg |
| Chain Diameter | 6mm | 7mm | 8mm | 10mm | 12mm | 13mm | 14mm |
|---|---|---|---|---|---|---|---|
| Grade 3 Stainless | 3200kg | 5000kg | 7200kg | ||||
| Grade 40 Galvanised | 2400kg | 3000kg | 4000kg | 6500kg | 9200kg | 10800kg | 12700kg |
| Grade 6 Stainless | 3800kg | 6400kg | 10100kg | 14500kg | 17000kg | ||
| Grade 70 Galvanised | 7000kg | 11200kg |
| Nylon Anchor Rope | Broadly Comparable*** |
|---|---|
| 10mm | 6mm Grade 40 Galvanised |
| 12mm | 7mm Grade 40 galvanised and 8mm G3 Stainless |
| 14mm | 8mm Grade 40 Galvanised and 10mm G3 Stainless |
| 16mm | 10mm Grade 40 Galvanised, 10mm G3 Stainless. 8mm G6 Stainless |
| 18mm | 10mm Grade 40 Galvanised, 10mm G6 Stainless, 8mm Grade 70 Galvanised |
| 20mm | 12mm Grade 40 Galvanised, 12mm Grade 30 Galvanised |
| 24mm | 13mm/14mm Grade 40 Galvanised, 10mm Grade 70 Galvanised |
***Broadly comparable means approximately plus or minus 10%
Check the relative break loads carefully before making your selection, and take all the relevant factors into account.