Does anyone have any information on the freezing behaviour of 36% hydrochloric acid solution - specifically, does this solution expand on freezing, like water? It's one thing to land up with a pipe blocked by frozen solution - quite another thing to have a pipe rupture!
I've contacted various...
Does anyone have or know of any data for rate of attack of hot moist hydrogen chloride gas on mild steel?
Conditions are pressure up to 100 psig; temperature up to 300 °F; mass fraction HCl up to 0.98 with balance water vapour and traces of air.
We are considering temporary use of mild steel...