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sns2 Offline OP
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Fellas, gotta decide between a2 or 154cm for the two knives I’m having made up. I want them to pass down to my son when I hang em up, and maybe his kids after. I read a fair bit about discoloration / corrosion with a2.

Any of you guys ever see a2 that was older and not discoloured.

Caring for knives, and giving them a wipe of oil is not a big deal for me, but I can always go 154cm.

Any thoughts would be appreciated.

GB1

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Once the A2 develops a " patina" ,that adds to it's " corrosion resistance" ,but it is a carbon steel so it has to be treated as such great steel though

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If neglected A2 will rust. A2 is for sure going to discolor and develop a patina. Patina is not bad, that helps protect from rust and gives the blade character. Some makers acid wash carbon tool steels and that gives it very good corrosion resistance. Personally I don't see it as a big deal but my blades aren't used in ways that really puts them at a high risk for rust plus I'm pretty on the ball about keeping my gear squared away.


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With 5.25% Chromium, A2 is not a pure "high carbon steel" in line with 10 series etc steels.

It will stain and get a patina and even get rust spots if not tended to.
Heck even 154 CM will develop surface problems if left out in the elements.

A2 is a great steel. But so are many others in my opinion.
Kinda falls in between the forgers and stock removal.


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Advantage of a-2 steel over other carbons. It’s air hardening. Meaning one has control over the heat treating process. A-2 takes a toothy edge, constant heat treating result. Inconsistent results in blueing, patina and etching. Do to chromium content.

Last edited by rickmenefee; 10/08/22.



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I do a forced patina on my carbon blades. Stick it in a tater overnight or mustard and Saran Wrap.

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Campfire Kahuna
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I have some pretty old. A2 blades with no corrosion. Light coat of oil does wonders.


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Got a bunch of A2 knives. Flitz polish will take off the patina, if desired, and make them look like new.


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sns2 Offline OP
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Thank you. Appreciated.

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sns2, This Olt Chopper was made back in 2011. It has split wood, split deer and hog carcasses, cut vines and underbrush, processed fatwood and a host of other chores. It gets pretty messy sometimes. When finished playing I polish it with some Wenol polish. Sitting in the safe today, it looks almost new.
[Linked Image from i.imgur.com]


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Originally Posted by Mannlicher
sns2, This Olt Chopper was made back in 2011. It has split wood, split deer and hog carcasses, cut vines and underbrush, processed fatwood and a host of other chores. It gets pretty messy sometimes. When finished playing I polish it with some Wenol polish. Sitting in the safe today, it looks almost new.
[Linked Image from i.imgur.com]

Nice tool/blade.


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