Renold Chain Troubleshooter

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.