Originally Posted by
BobH
Like I mentioned, I have an English made stainless steel razor that predates Henckels patent on ice hardening. I could never find a reference to Firth Stainless Steel being ice hardened, naturally enough as it predates the patent for ice hardening. From that I take it that ice hardening is not absolutely necessary to produce a stainless steel straight razor blade that works well. Possibly with a different alloy of stainless steel ice hardening is not necessary, I don't know.
Bob