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Smokeless fuel - corrosion issue!

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Comments

  • FreeBear
    FreeBear Posts: 18,306 Forumite
    Tenth Anniversary 10,000 Posts Name Dropper Photogenic
    lohr500 said: They all seem to suggest that sulphuric acid is a problem. Perhaps they are all perpetuating a myth?
    Whilst most grades of stainless steel are resistant to sulphuric acid at room temperature, it will corrode at the sorts of temperatures found in an average flue liner. What makes it even worse is low concentrations of sulphuric acid will attack stainless steel even quicker at high temperatures. A brief overview of the problem is outlined here - https://bssa.org.uk/bssa_articles/selection-of-stainless-steels-for-handling-sulphuric-acid-h2so4/
    There are a number of scholarly research papers on the subject if you really want to get in to the technical details...


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  • A._Badger
    A._Badger Posts: 5,881 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    FreeBear said:
    lohr500 said: They all seem to suggest that sulphuric acid is a problem. Perhaps they are all perpetuating a myth?
    Whilst most grades of stainless steel are resistant to sulphuric acid at room temperature, it will corrode at the sorts of temperatures found in an average flue liner. What makes it even worse is low concentrations of sulphuric acid will attack stainless steel even quicker at high temperatures. A brief overview of the problem is outlined here - https://bssa.org.uk/bssa_articles/selection-of-stainless-steels-for-handling-sulphuric-acid-h2so4/
    There are a number of scholarly research papers on the subject if you really want to get in to the technical details...


    Yes, but the particular issue was with glass.
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