Material selection in high-temperature and ammonia-rich environments
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The maximum temperature is around 900 degrees Celsius, and the corrosive medium is ammonia water. If high-temperature 316 material is not considered, that will suffice. But sometimes the temperature can be quite high, which can cause the walls of 316L tubes to burn through. Fellow sailors, please let me know which material would be more suitable – is 310S okay? What is the corrosion resistance of 310S material? Can it withstand ammonia?
Ugh! I’ll wait at the top and hope someone more knowledgeable can answer.
At this temperature, ordinary stainless steel can no longer withstand it; it is recommended to consider nickel-based superalloys, although these materials may be more expensive
The temperature is usually around 580 degrees, with a maximum of no more than 880 degrees. It is also crucial to consider the corrosion resistance at this temperature.
Nickel-based superalloys have the best corrosion resistance and high-temperature tolerance among steel materials, so there’s no need to worry about that!
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Could you recommend a suitable material grade? What is the hardness of nickel-based alloy materials?
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After checking relevant information, platinum is a good choice (ammonia at 950°C); the corrosion rate is 0.05 MM/Y......