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Fatigue stress cracking

Published on 03/11/22 209 Views 2 likes

Just after the point where two liquids with different temperature met in a 80 mm stainless steel line, the tube fully ruptured after only 6 weeks in use, causing a release and an explosion. Large temperature fluctuations can induce fatigue corrosion.

Ask yourself and your crew:

  • How can something like this happen here (e.g. on our site)?
  • What safety measures (i.e. procedures, controls/barriers) do we have in place to mitigate the risk?
  • How do we know the risk controls/barriers are working?
  • What improvements or changes should we make to the procedures, controls/barriers or the way we work?

Original material courtesy of the European Process Safety Centre