Material selection issue
Thread Content
For strong acid and strong base media, what materials are suitable to use respectively?
It is highly dependent on the concentration of acids and bases, as well as temperature. For acids, nickel-chromium-iron alloy (Hastelloy) can be used; for bases, nickel or nickel alloys can be used.
It depends on the ingredients and manufacturing process; with such vague details provided by the original poster, it’s hard for anyone to give an answer
Refer to https://bbs.hcbbs.com/thread-2744600-1-1.html
Without considering concentration, how do you choose the material and temperature? Without taking acids or bases into account, how do you choose the material? Guess by chance?
Different acids, different bases, different concentrations, and different temperatures all result in varying degrees of corrosivity; there is no single material that can be effective against everything.
Concentration, temperature, pressure, and what the medium is specifically. Only then can a targeted response be given.
Check what matters: acidity, alkalinity, concentration, temperature.
There is no best material, only the most suitable one. Only by clarifying the working conditions can a prescription be issued!
There are acid-resistant versions of the NACE0175 standard; you can take a look
Carbon steel, stainless steel, fiberglass, plastic lining, and PTFE lining – these basically meet the requirements: lol