1095 blade steel question

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Mar 2, 2007
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On 1095 steel, I find on my RAT5 that I cannot get the edge super sharp, mabee this is due to 1095 being a softer steel? I don't know. It seems no matter how hard I try, I cant get the knife all that sharp. Anyone else have this happen?
 
I hesitate to say bad sharpening technique but I can get all my RC-3 with 1095 very sharp. Maybe a bad heat treat on the blade?
 
yeah mabey bad heat treatment but im sure u use something like lansky to sharpen right the guided system makes it super easy to sharpen knives and it that doesnt work then it m=ost likely would be a bad heat treatment
 
yeah mabey bad heat treatment but im sure u use something like lansky to sharpen right the guided system makes it super easy to sharpen knives and it that doesnt work then it m=ost likely would be a bad heat treatment

What do you know about the heat treatment:D lol jk. but yeah, thats what I think!
 
I hesitate to say bad sharpening technique but I can get all my RC-3 with 1095 very sharp. Maybe a bad heat treat on the blade?

I do think it is the heat treatment, and I use a lansky to sharpen with. I would not leave the option out that my sharp and your sharp could be two different things though, dunno:)
 
Hard or soft, 1095 should take a sharp edge. The most common problem with 1095 blades is that often they are manufactured with a rather obtuse edge (due to notions that this is better for a hard use field knife). Commonly you need to back bevel the blades to under 15 degrees and then finish off with a 15-degree micro bevel if you want it to perform like you expect. This can require the removal of a lot of material which is most efficiently done with a belt sander, coarse hone or file. On black-coated blades I kind of like to use a file. A smooth mill bastard file can give you very clean results if you know what you are doing. You can get a sharpening bevel with a nice straight transition to the black-coated region. I would do that in the 12-degree sort of range before moving on to your normal honing method.

With the correct edge geometry you should get 1095 sharper than almost any other steel I can think of. If the file won't work it indicates that the blade is harder than normal and that may be contributing to your problem. In that case you will need to use a coarse hone for the reprofiling. Diamond would be best, silicon carbide would be my next suggestion.
 
I tend to use a DMT Diafold sharpener for touching up edges. The rough side of it might be what you are looking for depending on how much work you have to do.
 
I think Jeff has it. If you're not raising a burr, you can paint the edge with a Sharpie and see where the stone scrapes the edge. That will tell you what's going on. With a proper edge profile and the correct stone angle, sharpening becomes a breeze.
 
I suspect you are not sharpening it to where you are hitting the apex of the edge. Most all steels will form a burr when you hit the apex of the edge. The difference in my experience is how easy it is to see and how hard that is to remove after it forms. Sharpen it up till you see a burr form and once you get that you can stop because any further sharpening after that is just over sharpening. Then once its formed you can focus on knocking off the burr with some white ceramic hones and touch it back up a few licks on a strop. It should be good to go. 1095 is a fine steel that certainly can get razor sharp at any of the various hardnesses you see it at.

STR
 
Let’s see if we can find the right forum …
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all my 1095 knives take a wickedly sharp razor like edge! ,,VWB.
 
In my rather limited experience, I've found 1095 to be one of the easiest steels to sharpen to a truly "scary sharp" edge. :thumbup:

Ben
 
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