Approximate break load of stud-link anchor chain from diameter and IACS steel grade.
Formula
$$ BL_{U2} = 0.0224 \cdot d^2 \cdot (44 - 0.08 d), \quad BL_\text{grade} = k_\text{grade} \cdot BL_{U2} $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $d$ | Chain link diameter | mm | chain certificate |
| $BL$ | Break load of the chain | kN | result |
| $k_\text{grade}$ | Grade strength multiplier | - | IACS W22 |
Sources
- IACS UR W22 - Anchor chain.
- IACS UR A1.