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Is Q235 steel resistant to boric acid corrosion?

2010-08-07View Original

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Can Q235 steel be used as the stirring shaft or mixer in an acidification reactor? Boric acid is the main consideration. Is it corrosion-resistant?
Reply #22010-08-07
No, it’s not possible. There is corrosion. Stainless steel can be used.
Reply #32010-08-09
Carbon steel will not work; stainless steel should be used, with materials such as 00Cr17Ni14Mo2 or A240-316L being suitable.
Reply #42010-08-11
No need for such high-quality materials; 304 will do
Reply #52012-03-30
I believe neither carbon steel nor stainless steel is suitable; PP material should be used. If fluoroboric acid is added to an alkaline medium, resulting in a pH value of the reaction medium greater than 7, then carbon steel or stainless steel can be used

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Translated at 2026-07-27 02:37:58

Original: https://bbs.hcbbs.com/thread-712187-1-1.html

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