Caustic cleaning
Caustic cleaning
(OP)
We have had some cracking issues (SCC) after we've cleaned our 316SS heat exchanger in the past. We are looking at cleaning it next week as it is fouled. Does anyone have any suggestions on caustic to use or not use with 316SS??





RE: Caustic cleaning
I doubt that it was caustic cracking unless these units were poorly washed and then run very hot.
My hunch is that it is trace levels of chlorides that are causing the problems. Watch out for chlorides in all of the solutions that you use.
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Plymouth Tube
RE: Caustic cleaning
Selection of stainless steels for handling sodium hydroxide (NaOH)
http://www.bssa.org.uk/topics.php?article=34
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Corrosion Prevention & Corrosion Control
RE: Caustic cleaning
Thomas J. Walz
Carbide Processors, Inc.
www.carbideprocessors.com
Good engineering starts with a Grainger Catalog.
RE: Caustic cleaning
Could you give a little more information about your process as there are somethings you can do to greatly enhance the cleaning ability of caustic cleaners?
Also there are acidic cleaners that work on some soils and are quite safe on SS.
RE: Caustic cleaning
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Plymouth Tube
RE: Caustic cleaning
I'm a charter member of that club.
RE: Caustic cleaning