Fracture
| Application | 1.25" BS zinc plated chain used in a water environment. |
| Failure mode | Bushes fractured on assembly. |
| Diagnosis | Customer supplied zinc plated bushes for assembly. When assembled the bushes broke into several fragments due to hydrogen embrittlement as they had not been de-embrittled after plating. |
| Solution | Ensure correct de-embrittlement treatment is carried out immediately after plating. |