Certainly did - Stainless steel foil envelope. That was the easy bit. The fortune came when my wife was looking on facebook marketplace. we manged to bag an old but perfectly functional muffle furnace (basically a small, but super hot kiln/oven used to burn out investment casting moulds). It...
AEB-L stainless steel, bubinga handle, Titanium pins.
A small trial piece for the wife to destruction test. I've said before I can't do stainless due to the complex heat treat... oops...
'Normal' carbon steels can normally be heat treated in a forge - heat to 800 ish degrees (a dull cherry...