K2 Owners - Forced Patina?

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Feb 15, 2014
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I just got my new K2 and don't have much experience with cpm10v. How's the corrosion resistance? Are you guys doing a forced patina?

If so, please post some pics. Thanks.
 
I did a forced patina on mine after I noticed a couple of spots start to appear. I tried using mustard with poor results. I ended up soaking the blade in a hot vinegar bath with good results. I removed the blade to do the patina job. I really like the way it turned out.

 
someone did one. can't remember who but used some kind of acid...vinegar of some sort and it was real dark and ugly like patinas some folks seem to love. myself if it happens from use, fine. forcing it i don't get it. its not all that corrosion resistant from my experience. your mileage may vary though.
 
someone did one. can't remember who but used some kind of acid...vinegar of some sort and it was real dark and ugly like patinas some folks seem to love. myself if it happens from use, fine. forcing it i don't get it. its not all that corrosion resistant from my experience. your mileage may vary though.

That was probably me. Thanks. Glad you liked it.
 
That was probably me. Thanks. Glad you liked it.

yep it was.

glad you like it cause its your knife and what i think doesnt matter at all. just aint for me. the beauty is..... room for all our different tastes.
 
I did a forced patina on mine after I noticed a couple of spots start to appear. I tried using mustard with poor results. I ended up soaking the blade in a hot vinegar bath with good results. I removed the blade to do the patina job. I really like the way it turned out.


That turned out pretty good grimm
 
I did a forced patina on mine after I noticed a couple of spots start to appear. I tried using mustard with poor results. I ended up soaking the blade in a hot vinegar bath with good results. I removed the blade to do the patina job. I really like the way it turned out.



I think it looks great...very even / bluish / black...almost like you used gun bluing. Do you mind explaining the process that you used?
 
I think it looks great...very even / bluish / black...almost like you used gun bluing. Do you mind explaining the process that you used?


First step is to remove the blade. Be careful not to strip out the heads of the torx screws. Might need a little heat from a hair dryer to aid in removing the screws. After removing the blade, thoroughly clean off all oil residue, I used denatured alcohol. Next you will need a glass jar tall enough for the blade to stand up in. I used apple cider vinegar for the patina. Measure out enough vinegar to completely cover the blade. Then put that vinegar in a pan and heat on a stove till it is starting to boil. Then poor the vinegar into the glass jar with the knife.
I put the lid back on the jar and let the blade soak for a hour. I reheated the vinegar after an hour and repeated the soaking process. I did this to achieve a darker finish. After done soaking I cleaned the blade with dish soap and a green scotch pad. After cleaning wipe with a oily rag or silicone cloth then reassemble knife. The times for soaking are not that critical. If you soak longer it will probably just be a little darker.
 
It isn't a rust bucket so a forced patina really doesn't need to happen on this model. It also doesn't seem to patina quickly in my experience. Just traded away my K2 and it only had a slight darkening around the thumbhole and some blueing near the heel of the blade on the flats. If it happens to patina I say great but I've had unfortunate accidents happen during forced patina so I say let it do it's thing naturally, especially with this steel


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I did a forced patina on mine after I noticed a couple of spots start to appear. I tried using mustard with poor results. I ended up soaking the blade in a hot vinegar bath with good results. I removed the blade to do the patina job. I really like the way it turned out.


^I like that quite a bit. First day I got it I cut a nice mid-rare steak and the patina left very impressive! It wasn't all over the blade so I removed it. I need to try again. I got some spotting after a while too. I also noticed after taking it apart my lock stick diapered. What a ridiculous knife!

r7igs7Ih.jpg

FzQmiPbh.jpg

JCYsHYzh.jpg

onQZEekh.jpg
 
I use ferric chloride on any non-stainless, just makes life easier when you don't have to worry as much about corrosion.

Holds up really too, I have yet to re-etch mine.
B0612F4A-CD0C-493C-9526-DF5AC1B2F722.jpg
 
^I like that quite a bit. First day I got it I cut a nice mid-rare steak and the patina left very impressive! It wasn't all over the blade so I removed it. I need to try again. I got some spotting after a while too. I also noticed after taking it apart my lock stick diapered. What a ridiculous knife!

r7igs7Ih.jpg

FzQmiPbh.jpg

JCYsHYzh.jpg

onQZEekh.jpg

i like that use patina, uneven but gorgeous with colors that acid soaking can't replicate.. very very nice. thanks for posting.
 
i like that use patina, uneven but gorgeous with colors that acid soaking can't replicate.. very very nice. thanks for posting.

I agree except for the uneven part. I wish it covered the whole blade. I'll try again at some point, not sure with blood though although it did give the most color I've ever gotten in a patina.
 
A little off topic but could someone please tell me from what materials are the lanyard tube and the back standoff made?
 
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