burned edge

luke86

luke86

Joined
Mar 29, 2015
Messages
828
Hey guys how do you tell if your knife has been grinder burned? Does it change colors? Thanks
 
The reason I ask is there is a little dark discoloration on the tip of my benchmade 943.
 
luke86 said:
Hey guys how do you tell if your knife has been grinder burned? Does it change colors? Thanks
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Yes, it will be a color much darker than the rest of the knife. Do you have a picture of the discolored area?
 
I can take one when I get home but that will be this afternoon. And yes it is much darker. Strangely its on the tip but not on the blade side. Its on the spine.
 
If it is like a blue, brown, greenish kind of color then the steel has more than likely been overheated. I've gotten knives that way, and they went back for replacement.
 
Its a brown color. Should I contact benchmade. I don't feel like I should have to pay for the blade replacement. I've had it for a while but haven't really used it. I just noticed the other day its very small but definitely there.
 
What steel was used for the blade...are you sure it isn't patina forming....
 
Boggs said:
What steel was used for the blade...are you sure it isn't patina forming....
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Its s30v. I'm pretty sure its not patina as I've not really used the knife and its only at the tip which seems to be a weird place.
 
Boggs said:
What steel was used for the blade...are you sure it isn't patina forming....
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Its solid too instead of small dots. I'll post a picture this afternoon around 4 and maybe you guys can see what it looks like. I feel like if its patina it should rub off bc I definitely tried that.
 
If it is burnt, I'd send it back for replacement under warranty. Shouldn't be a problem at all as Benchmade has really good service in this regard.
 
I tried to take a picture but my camera wont focus at a close enough range for you to be able to see it. it is very small I guess that's why I didn't notice it before. It's directly on the tip. I contacted benchmade yesterday so I'm waiting for a response. And after looking at it again its definitely not patina its burnt. I hate to have to send it in but I don't think I should have to just eat that since its a $200 knife.
 
In a word, it'll look like something that the instant you see it you'll think "burn." It's distinctive, but its own color of brown. Sort of like a splotch. No matter what you rationalize and try to think it's something else, every time you look at it again the first impression is "burn."

If that sounds familiar--it's burn. :)

Usually burn will not Flitz off as easily (or at all) as, say, burned wheel rouge remaining on an edge.

Depending on the severity there is the option of sharpening it away.
 
EChoil said:
In a word, it'll look like something that the instant you see it you'll think "burn." It's distinctive, but its own color of brown. Sort of like a splotch. No matter what you rationalize and try to think it's something else, every time you look at it again the first impression is "burn."

If that sounds familiar--it's burn. :)

Usually burn will not Flitz off as easily (or at all) as, say, burned wheel rouge remaining on an edge.

Depending on the severity there is the option of sharpening it away.
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Yeah its definitely a burn I'm sure. Its exactly what it looks like. The problem with sharpening it out is its on the spine mostly so I couldn't sharpen it out. I guess I'm gonna send it in when I hear back from benchmade.
 
It might also be heat treating color that was not completely polished off. If it's on the spine but the edge is hard it should not be a problem. Have you tried some wood carving with the tip to see if it rolls the edge or stays sharp the way it should? If the tip sharpness remains after you carve some hardwood you might be worrying about nothing.
 
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