"melange oxidizer in austenitic stainless steel S31635 tank"
"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?"
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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