Aus-8a

I would reserve judgment until after a sharpening session or two. I've had Aus-8 go dull fairly quickly but it rolled instead of chipping. Like every one said, cardboard is pretty nasty stuff for a fine edged knife anyway. But I still love my thinned out S90v Spydie Mule as it glides through cardboard. It's one of the few knives that stands up well to cardboard.
 
philwar said:
You haven't cut cardboard (enough) yet. It will chip any steel I own, unless perhaps with a really thick angle.
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You are so far off that I actually laughed when I read that. Cold Steel MIGHT cut more cardboard than me. In fact, I keep industrial sized, thick walled tubes that my friend's plant throws away to practice sword and large knife techniques on. I have NEVER once chipped a blade on cardboard and would stop using a knife that I did chip on it. I know a lot of people say it's rough stuff, but I think it's very little to ask of any knife that is pitched as either a people poker or a hard use knife.


Edit to add - nothing I own has a bevel more acute than 42* inclusive, though.
 
That's probably what's saved your knives. With the dirt that can ground into cardboard it's not too out of the question for a thin edge (that's possibly slightly soft from the grinding process, as we all know can happen) to slightly chip or roll if struck violently against it. A more robust angle will be able to resist that a little better. AUS-8 is actually one of my favorite steels--it's nothing fancy, but it holds an edge well, sharpens easily, and has a fair degree of corrosion resistance. It's a nice general-use steel, in my opinion at least.
 
For me, AUS-8 has a lot to do with who's making the knife. SOG and Al Mar have worked the best for me, with CRKT being the worst in terms of edge retention and ease of
sharping. I no longer buy knives in AUS-8.
 
well i tried re sharpening it....and i wasnt able to get an edge back on it....so away it goes...and im going to get a recon 1
 
CARRERA50 said:
For me, AUS-8 has a lot to do with who's making the knife. SOG and Al Mar have worked the best for me, with CRKT being the worst in terms of edge retention and ease of
sharping. I no longer buy knives in AUS-8.
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That's because CRKT mostly uses AUS-6 and AUS-4! :p
 
zignal_zero said:
You are so far off that I actually laughed when I read that. Cold Steel MIGHT cut more cardboard than me. In fact, I keep industrial sized, thick walled tubes that my friend's plant throws away to practice sword and large knife techniques on. I have NEVER once chipped a blade on cardboard and would stop using a knife that I did chip on it. I know a lot of people say it's rough stuff, but I think it's very little to ask of any knife that is pitched as either a people poker or a hard use knife.


Edit to add - nothing I own has a bevel more acute than 42* inclusive, though.
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So what did you laugh at then? All you did by writing this is prove my point.
 
philwar said:
So what did you laugh at then? All you did by writing this is prove my point.
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I laughed at the comment I had not cut enough cardboard because it is actually something I go through a well above average amount of. Cardboard and plastic are probably the things I cut the most, followed by wood and then cheese :-)
 
zignal_zero said:
I laughed at the comment I had not cut enough cardboard because it is actually something I go through a well above average amount of. Cardboard and plastic are probably the things I cut the most, followed by wood and then cheese :-)
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Ewwwww....:p
 
I agree... that little "experiment" is not a good test. And, I too have had all sorts of steels sustain that type of "damage" from cardboard. (I place "damage" in quotes, because it's really not damage. One good sharpening, which is simply regular maintenance, will take out any of those tiny "chips" you saw.)
My AUS-8 knives hold up just fine. I have a Ti-Lite (the ti-handled variety), and several Al Mars, and they all perform very well, even for heavy duty cutting.
 
After dulling a Spydie Native's S30V blade on it's first heavy cardboard box - where it even got warm - I discovered this cool folder at the big box discount store... a box cutter with disposable blades! How novel! The right tool for theright job. Look at those blades after a few feet of cardboard cutting. Still, save your good knives for proper use - like to open that CC bill that came with yesterday's mail... probably containing a lot of knife-buying-folly...

Stainz
 
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