Blade Coatings and where to get done?

Balislinger

Balislinger

Joined
Nov 11, 2003
Messages
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Boron carbide, Ti Nitride, etc, etc. What's the difference between all the coatings available? What would be a durable coating for a BM 42 blade to make it black? Is there a reliable outfit anyone knows about where I could send a blade to be coated? Thanks
 
This is probably better off in general discussion...........

No coating is utterly indestructible, even DLC.
 
Bodycote used to be the "coaters" of choice, but they stopped taking individual orders awhile back. The Boron Carbide coating on the Kershaw Chive that I have is about the toughest one I've seen, but I think the DLC coating is supposed to be "better."
 
Check out Norrell's moly resin (just google the name). It's used to refinish AR-15 recievers as well as other firearms.
 
swingshot said:
This is probably better off in general discussion...........
Click to expand...

Yup. You'll probably get a better answer in General... So, off we go.
 
The PVD (physical vapor deposition) coatings are most durable. These include Boron Carbide, Titanium Nitride, and Tungsten DLC. The other coatings are usually applied in a powdercoat process and baked to get the coating to fuse/adhere to the blade. Generally the spray/powdercoats are better at corrosion resistance as long as they're on the blade, as most PVD coatings are somewhat porous.
 
Yes indeed, does anyone know of a good company that will accept a blade for coating? Thank you
 
I think the best chance of finding the info you're looking for will be in Shop Talk, so I'll move this thread again. :cool:
 
Thanks Mike, I was hoping to find an outfit that does Ti Nitride or something like that, but that first link looks like they accept submissions. Is there a particular coating out of the ones offered through those links that you recommend? I don't know anything about any of them.
 
I couldn't personally recommend any coating as I've never used one. I just don't like them.
Plain steel finished well is what I like. Just call me imaginationless.;)
 
Out of the ones mentioned above, Kal-Gard/KG is probably one of the best non-PVD coatings I've heard of. It's a spray/powdercoat or something, but user reports seem to indicate it wears far better than most. Chris Reeve uses it on his fixed blade line.
 
I'm surprised there aren't any PVD outfits that will accept items to be coated. The powder coat seems a little rough and grainy to put on a blade. At least that is my vision of powdercoat. Do you know if this one is as thin and smooth as a Boron Carbide ot Ti Nitride?
 
I just got four cans of Gun kote and now waiting for the air brush to get here
got to try it :)
 
I have to take back some of what I said above. I would recommend this stuff.
I spend a lot of time on a long range firearms forum, and have seen the results of this on rifles, and it really works, and looks good.
It requires you to degrease completely, bake at 300 for X amount of time, shoot the piece, which dries instantly, without runs, and bake again for an hour to cure it.
This stuff will not change anything dimensionally, and holds up better than most coatings.:eek::D
http://www.molyresin.com/default.asp
 
Mike Hull said:
I have to take back some of what I said above. I would recommend this stuff.
I spend a lot of time on a long range firearms forum, and have seen the results of this on rifles, and it really works, and looks good.
It requires you to degrease completely, bake at 300 for X amount of time, shoot the piece, which dries instantly, without runs, and bake again for an hour to cure it.
This stuff will not change anything dimensionally, and holds up better than most coatings.:eek::D
http://www.molyresin.com/default.asp
Click to expand...

I wonder if Gun Kote is something like it?
two of the four cans I have say Moly on them the Flat OD Green and the Flat Black and the other two say
Teflon the Satin Green and the Flat service Brown.. :confused:
 
Dan Gray said:
I wonder if Gun Kote is something like it?
two of the four cans I have say Moly on them the Flat OD Green and the Flat Black and the other two say
Teflon the Satin Green and the Flat service Brown.. :confused:
Click to expand...
I don't think so. The Gun kote I've seen is a pretty thick coating, and not really smooth.

Moly Resin can even be used on tightly toleranced parts and it won't cause problems in reassembly.
It will not change anything dimensionally. But, I've only seen the black Gun Kote applied to firearms in lieu of blueing(applied by a gunsmith), and you could tell it was thick. It had an uneven surface texture also, not real smooth. Maybe that's how their matte finish is.:confused:

That moly resin is more like a good blue job in surface appearance, except in different colors, matte texture etc. Plus it smooths working parts.

I've not used it myself, but have read reports by gunsmiths using it, and the people who's guns it was used on, and all were happy with the results.
I've also seen photo's of the finished rifles. Really nice!:eek:
 
according to the papers I got with this stuff
the thickness is suppose to be less than 1/2" of a thousands
0.0003 to 0.0004
I wonder if the stuff you saw was on too thick..
I'll have to try the other stuff now, thanks Mike I have four cans of this now :rolleyes: :D
 
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