For EDC folders stainless as a class rules. Mine are all in the newer stainless steels -- 154CM-S30V-S35Vn-M390.

OTOH, my fixed blade knives trend toward carbon/non-stainless tool steels -- 1095, O-1 and lately CPM 3V.
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Better is the Enemy of Good Enough.
Okay, what’s your point??