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Yep, what he said. You can also try, but be real careful. Take some 800 grit wet dry sand paper and highly pull across that spot without (1) slicing off your fingers and (2) not messing up the edge. Its going to be tedious and a slow process but at least you will have polished the edge and gotten rid of the that line. Now please note, you can not get into the finish or you will just expose more of it. Or just leave it or strip it completely and remove the decarb to expose that INFI beauty like she should be. After stripping a blade, I tell you that is decarb and not much to worry about.

ExtraBaconPlease said:
Just decarb mate

The knives are coated then sharpened so if you imagine the grinder hitting that now edge and it just nicked the primary grind, removing that tiny bit of paint, leaving the decarb underneath.

Nothing to be worried about but if you want to get rid of it - use your knife batoning or knock the shoulders off the edge by sharpening

Cheers!
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Ladams19 said:
Yep, what he said. You can also try, but be real careful. Take some 800 grit wet dry sand paper and highly pull across that spot without (1) slicing off your fingers and (2) not messing up the edge. Its going to be tedious and a slow process but at least you will have polished the edge and gotten rid of the that line. Now please note, you can not get into the finish or you will just expose more of it. Or just leave it or strip it completely and remove the decarb to expose that INFI beauty like she should be. After stripping a blade, I tell you that is decarb and not much to worry about.
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Thanks for the advice, appreciate it.
I am going to leave it for now and maybe strip it in the future. Or if the decab starts rusting ill definitely strip it all.

In terms of slicing my finger, i already did that :D whoops.
I was trying to clean it off (hoping it was a sharpie mark) with a towel and it sliced through the towel and my finger. At least beef sharpened it really well
 
Some one already said it, but it is likely from the final pass on edge while sharpening.

I've got some on my WTF. I thought it was buffing compound from a pass on a buffing wheel.

All my stripped info had a layer of grey finish underneath. But not really de carb, I don't believe, because I've never had rust on any.

The only really rust prone INFI was the initial comp finish blades, with real decarb. That true decarb usted harr and fast, but it was prettybeasy to get rid of from reports. Different then the dark finish under the coatings though.



No need for any oil on INFI, unless you are on the ocean. In my use, including swimming, canoeing for days, rafting, fishing, it has been stainless.
 
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Bigfattyt said:
Some one already said it, but it is likely from the final pass on edge while sharpening.

I've got some on my WTF. I thought it was buffing compound from a pass on a buffing wheel.

All my stripped info had a layer of grey finish underneath. But not really de carb, I don't believe, because I've never had rust on any.

The only really rust prone INFI was the initial comp finish blades, with real decarb. That true decarb usted harr and fast, but it was prettybeasy to get rid of from reports. Different then the dark finish under the coatings though.



No need for any oil on INFI, unless you are on the ocean. In my use, including swimming, canoeing for days, rafting, fishing, it has been stainless.
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Thanks, that is AWESOME to hear.
I baby my sr101 with mineral oil to often to keep that nice steel free from any rust.
Glad i dont have to baby this one :D
 
It looks like I have it on mine, too. I'll just beat it off. Not gonna strip it. After the horrid experience I'm having with a SAR 5 that I stripped, I'm done stripping. I'll just beat and bEat, and if it wears off, good. It isn't worth my time to worry about it. Bought it as a user.

I wouldn't have even noticed it if you hadn't posted this. Good eye.
 
dogboye said:
It looks like I have it on mine, too. I'll just beat it off. Not gonna strip it. After the horrid experience I'm having with a SAR 5 that I stripped, I'm done stripping. I'll just beat and bEat, and if it wears off, good. It isn't worth my time to worry about it. Bought it as a user.

I wouldn't have even noticed it if you hadn't posted this. Good eye.
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Really, what happened with your stripped SAR 5?
I am not going to bother stripping mine either, like you said its hard to see unless you look for it.

I just want to make sure it wont cause any rust issues because decarb is suppose to be very rust prone. Im going to leave it unprotected for a while and see what happens
If its fine...awesome.
If it starts to rust....well i am not sure.

If you get time to use yours anytime soon, please let me know how it goes :)
I wont be able to use mine properly (besides basic housework) anytime soon.

Cheers!
 
resinguy said:
Stop worrying. It's a knife. Just use it.
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..... pretty much the best advice so far. Please mate, stop loosing sleep over rust and corrosion on your blades. Busse knives in SR101/INFI and several other steels have been around for many many years and have no history of rushing away to dust or being damaged by corrosion (especially while sitting on your bedside table ;) ). It is just not worth the apparent concern it is causing you.

The "de-carb" lay will corrode up to a nice red if not removed after a blade is stripped but it is just a layer, some steel wool and some oil and it is gone and the INFI under knows no difference. One of my stripper RMDs .... (here on kitchen duty)...



.... gets wiped off after use and lays around the kitchen or dining room un-oiled year round with no issues at all.

Please....just don't sweat Mate, enjoy the knives without the worry.
 
XtianAus said:
Really, what happened with your stripped SAR 5?
I am not going to bother stripping mine either, like you said its hard to see unless you look for it.

If you get time to use yours anytime soon, please let me know how it goes :)
I wont be able to use mine properly (besides basic housework) anytime soon.

Cheers!
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That SAR 5 I have sanded and sanded, and I mean with like 80 Grit sandpaper. And used scotchbrite, and even scothbrite Drexel wheels. To the point I have actually thinned the edge a bit, all the way back to the plunge line from the spine. And yet, there are patches of decarb that I can't get sanded through. And it rusts. Nasty red rust. But like Andy said, it doesn't seem to matter to the INFI underneath. I e read on here where someone posted it would put the INFI, but it certainly doesn't seem to. It just won't go away. It, contrary to what Andy said, this SAR does rust on my nightstand. Well, actually in my closet. Air conditioned environment, hasn't been taken out and used at all. But within 3 or 4 days of putting it up in that closet, the rust comes back. Only on the decarb. Nothing else has an issue in the, including some well used 1095 steel. It's not the steel, though, or the INFI. It's the decarb.

I used it (the "Axe" ) this evening, building a fire in our fire pit, burning some of the wood from the trees we have cut down. It worked like a champ. Batonned through some pine, cross-grain on some small branches. And split some pine that was about 3-4" in diameter. It was pushing its limits. Not for strength, but length. Not much blade tip left to hit. It it went through, knots and all. And certainly no longer looks pristine. That crinkley sage blade coating is not so crinkley anymore. But the coating held up well, and the exercise was nothing for the "Axe." Definitely a great knife. One that is worth of EDC, if you work where you can. I need to figure out a good way to conceal it.


Injust read through my post. Forgive the gibberish in a couple of places. Since I put the new iOS on my iPhone, the autocorrect is worse, and it is so hard to type on. Apple really screwed this one up. Anyway, it is too hard to go back through and correct them all on this thing. If something makes so little sense you can't figure it out, ask. I think I need to put a standing apology in my sig line for my iPhone's sh***y behavior. 💩😡
 
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@Andy & Resinguy, while i absolutely agree with your opinions and hear what you're saying, the best way to learn is to ask questions, is it not?
I am new to busse & have spent a relatively high amount of money (for me) to aquire some and thus desire to know all i can & to learn without messing my blades up.

I buy schrade to be reckless with and not care what happens to them. And hence i do not really try to learn to much about them nor care about their outcome.

But nonetheless i appreciate your opinions and agree with you both. But questions and concerns are appropriate either way...


@dogboye
Sweeeet man! Glad you're enjoying it despite its huge choil. I am glad to hear it is a keeper. Thanks for the update. I cant wait to go camping and to carry it

I live in Aus so certainly no edcing it for me. But its handy to have to use around the house until i go for camping.

And no probs, my large fingers make it hard for me to type too haha takes me a while to go back and fix my spelling up. But because of that, i know what you meant to say in the words that are messed up :D

Cheers boys.
 
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My point my friend you do appear to be overly concern about corrosion on both your SR101 and now the INFI, what we are trying, repeatedly, to do is assure you that this is NOT something you need to be worried about, worry spoils the fun... ;) Over the few year I have been here many people have been down the same path and asked the same questions. So the answers you have been getting are well and truly based in fact not supposition or internet gibberish. Love and behold your new toys mate... !!
 
Andy the Aussie said:
My point my friend you do appear to be overly concern about corrosion on both your SR101 and now the INFI, what we are trying, repeatedly, to do is assure you that this is NOT something you need to be worried about, worry spoils the fun... ;) Over the few year I have been here many people have been down the same path and asked the same questions. So the answers you have been getting are well and truly based in fact not supposition or internet gibberish. Love and behold your new toys mate... !!
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Thanks Andy. But you have reassured me now and its no longer a concern after reading your points and experience. Worry does spoil the fun but my concerns have been answered, so only fun times ahead now. Cheers
 
Decarb issues with SAR5 & SARsquatch, based on my own examples of both, is that stripping reveals a very coarsly ground primary grinds (deep 'scratches' from grinding) that decarb sits in and is hard to remove.
I think, have not tried yet myself, that a treatment with ferric chloride should 'dissolve' decarb, or make it separate from steel reacting with acid. I put a folder blade in ferric, and the printed on logo that I never managed to even scratch, came of the blade without a trace.
 
Ferric Chloride? Is that the same stuff that people sometimes use to etch blades with? The same stuff that Radio Shack sells to etch circuit boards? I'll have to check on that. If that is the case, I have a couple bottles. Is there a thread on how to do that? Or do you just apply it to the decarb and wait a few minutes and wipe off? Full strength?

Yep, just checked. It's the same stuff. Except it also has hydrochloric acid in it, apparently. I wonder if it could still be used.

Otherwise, I'm not sure where to get ferric chloride. Guess I'll check Amazon.
 
I used undiluted Ferric Chloride I bought in electronics shop on stainless steels, M4 and SR-101. I have it in a tall plastic jar and I just tie some fishing line through a hole in steel and toss it in.
I wanted a fairly dark etch so kept them in for a while, then submerged in ammonia to neutralise the acid. Then give it a good wash with detergent to wash the muck off and see what you've got.
I'll PM you pic with results of my etching today
Just make sure to clean the steel with acetone and wear rubber gloves, otherwise you might be left with unetched finger prints!
 
Cool! Thanks elof! I'll give that a shot soon as I get a chance.
 
It's definitely rust. If INFI rusts under the coating, that's bad news. It'll eat through the blade before you can say 'Captain Feathersword likes to play the tambourine', and unfortunately this kind of rust is due user neglect and improper maintenance therefore completely voiding the warranty. What one earth did you do to get rust UNDER the coating?


:D

Seriously, I reckon its a discolouring of the paint from when the knife has been sharpened and its just burned the edge of the paint slightly.
 
Rob, I can't believe you so seemlessly rolled in a Capt'n Feathersword reference !!!
 
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