Thoughts on the Hap40 Endura..

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Dec 8, 2013
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Shory after receiving my ZDP Stretch and realizing how much better the edge retention is over my faithful VG10 Endura, I had to upgrade.

I was already prowling the forums for a good deal on a ZDP Endura when I stumbled upon a NIB Hap40 Endura for $90 delivered. I hadn't considered this model because I was already on the ZDP train with tunnel vision. I figured the deal was too good to pass on even though I wanted ZDP. Worst case scenario, I could flip it and get the ZDP Endura if I didn't like it.

Fast forward to the present. I have to say that I might even like this knife better than my ZDP Stretch, it is outstanding. All of you fellow sharpeners understand between sharp and "sticky sharp". This knife is well beyond hair popping sharp and it holds it well. Spyderco really outdone themselves on this one, it's damn impressive. I even ordered g10 scales with orange liners for it, I can't wait.

Is anyone else feeling the Hap40 love?
 
I haven't yet got to experience Hap40, but I know that my SuperBlue Stretch is an absolute beast, and takes a ridiculous edge. The Seki City Sprints are by far my favorite.

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I have a couple blades in HAP40 and have been very impressed with it so far. I can't keep a PM2 out of my pocket so I'm usually carrying a dragonfly in HAP40 as my secondary blade.
 
I have a couple blades in HAP40 and have been very impressed with it so far. I can't keep a PM2 out of my pocket so I'm usually carrying a dragonfly in HAP40 as my secondary blade.


Speaking of the PM2, I have never been big on the ergos but it would be great in Hap40.
 
I would be ok with hap40 type steel being the only option for any knife.
But I'd like to see it a couple points higher hardness than it's currently offered.
 
I wish the HAP40 wasn't a laminate blade. Is it better or worse to staining in regards to Super Blue? I haven't really used my endura all that much, to be honest.
 
Hap40 is my all time favorite steel when it comes to sharpening and edge performance. Sometimes I need knives with other characteristics like corrosion resistance, but for an edc knife, hap40 is as good as anything I have used.

--To the above question on corrosion, in my use, hap40 has proven to be quite a bit more corrosion resistant than superblue, but not as corrosion resistant as m4.
 
HAP40 and CPM M4 do not rust - they develop a patina. This is my experience with these steels. I forced a patina on both my Enduda HAP40 and GB2 and they have not developed any rust since, and they have seen their fair share of moisture and sweat :D

Apart from that - both are easy to sharpen (probably HAP40 is a tad easier) and hold an edge for quite some time.
 
HAP40 and CPM M4 do not rust - they develop a patina. This is my experience with these steels. I forced a patina on both my Enduda HAP40 and GB2 and they have not developed any rust since, and they have seen their fair share of moisture and sweat :D

Apart from that - both are easy to sharpen (probably HAP40 is a tad easier) and hold an edge for quite some time.
M4 is a rust magnet. The patina protects the steel from red rust. My SuperBlue patina'd naturally in less than a week of carrying it. My Gayle Bradley had to be forced. I went a week pulling it out of my pocket to find rust spot but no patina development. So I forced it to protect it

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