On Sat, 14 Apr 2018 15:16:49 -0700, Bob La Londe
wrote:

303 Stainless Doesn't Work Harden!!! ... or does it???

https://www.hobby-machinist.com/thre...ar-trim.68771/

LOL. I give up.

303 does work-harden, like other austenitic grades. Although the
sulphur content makes it relatively free-machining, it will still
harden up like a s.o.b. if your tools are not sharp.

I guess you know not to try to weld it.

--
Ed Huntress