I have 2 otherwise identical edc knives one in D-2 and the other in S-30V. FWIW they are syderco Military's.
Anyway the D-2 version was severely rust spotted after carrying it for just a couple days, I'd never seen a edc knife rust so quickly. It pitted the blade enough to need sanding to remove it.
I've been carrying the S-30V version for months now with no rust issues.
I don't think that I used the D-2 version any differently than the other Military's I've carried or got it any wetter than I would have normally.
Kinda soured me on D-2, at least on an EDC folder. My Doziers haven't had rust problems yet but they aren't EDC knives. My buddy had a Dozier Folder that he carried EDC and never had such issues I'm still not quite sure why my Spyderco rusted so quickly. I don't necessarily wipe down my knives EVERY single night but I do wipe them down frequently and oil them with Corrosion-X or other premium rust preventative.
I think I'm just going to go with high end stainless steels and not worry so much if my knife is going to rust on me.......................DJ
