Bleach Plant: Titanium vs Hastelloy C276

Q: We need bolts for a shutdown in our Bleach Plant where Chlorine Dioxide is the attacking agent. Is titanium sufficient or should we be using C276 bolts?
A: Titanium bolts are typically more than sufficient. Titanium fasteners are renowned for their resistance to chlorides and chlorines – they are practically inert to this type of media. The only time titanium shouldn’t be used is with dry chlorine gas in the absence of water which can cause it to ignite. C276 bolts will certainly work as well, but will probably be overkill in this situation.

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