can any engs confirm of suggest further info?
im making a pressure vessel 50cm wide, 100cm long, 6mm steel. its to hold 15psi.
i intend to tig 6mm cap on one end and make a flange from 6mm steel on the other then a cap plate from 6mm on that.
the caps are not going to be dished, just plain flat plate.

my calcs say OK but im not an eng.

please dont make this a reddit thread.

pic unrelated