Can the X-Carve cut stainless steel with the correct bit?
That is among the worst materials to work with. You need a much stronger machine to handle stainless.
The SO3 claims mild steel can be done so the X-Carve should be ablte to do that too. More people had luck with aluminum, lots of posts to read about do and do-nots.
Rich Cournoyer just milled a watch case out of stainless steel on his Shapeoko (3) using coolant:
(you’ll have to scroll down a bit)