The title says it all, I'm just curious why my air tank is rated for 200psi at 400°F. It's a 30 gallon steel tank.
Wouldn't it still be able to hold 200psi at any other normal temperature? Like 100F or 500F? What does the air temperature have to do with the rating?
My best guess is that compressed air gets quite hot so they test it in that environment...though the last time I filled up the tank the fill tube and fittings were only about 180°F at the hottest. Maybe in a garage in Texas in the summer it would be closer to 300°F.
Does this mean if you go above the rated temperature it isn't safe to hold 200psi anymore?
Of all the things a person can google...this doesn't seem to be one of them!
Thanks ahead of time, Joshua