"melange oxidizer in austenitic stainless steel S31635 tank"

Question:

"I'm working on a project assessing the suitability of transporting melange rocket fuel oxidizer (73% nitric acid, 27% nitrogen oxides by mass)in an austenitic stainless steel S31635 (316 TI)tank car. This tank was designed for dinitrogen tetroxide, will it support the melange?"

Answer:

With the standard disclaimer that information posted in a discussion forum is provided "as is", corrosion rates of 316SS in 73% nitric acid should be low, if you are referring to ambient temperature exposure. I have no data regarding nitrogen oxides; however, they should not be corrosive.

 

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