lrdchaos Posted April 15, 2019 Share Posted April 15, 2019 For those that have run your pistols hard for a few years, are you finding that one is holding up better than another? I’m looking at a few custom builds a they both run different finishes. Link to comment Share on other sites More sharing options...
Chui Posted April 15, 2019 Share Posted April 15, 2019 For those that have run your pistols hard for a few years, are you finding that one is holding up better than another? I’m looking at a few custom builds a they both run different finishes.“Nitride” is far too generic a term.PVD (Physical Vapor Deposition) coatings come in many, many varieties of which W DLC is but one. There’s also TiAlN (Titanium Aluminum Nitride) and others.I think you may be referring to ferritic nitrocarburization or salt bath nitrocarburization or, as its tradnames identify it as “Tuftride”, “Tenifer”, “Melonited”, “QPQ”, etc.PVD is a COATINGThe latter process is a SURFACE CONVERSION PROCESS.I would coat a Melonited pistol with a PVD coating - like Glock has done with the 19X and Gen 5 pistols.I cannot think of a more durable surface than that.Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
jpease Posted May 5, 2019 Share Posted May 5, 2019 I've had good luck with PVD coating Link to comment Share on other sites More sharing options...
Absocold Posted May 19, 2019 Share Posted May 19, 2019 Nitrocarb is very tough. But it will wear if you're rough on gear or do a whole lot of draws from a kydex holster. PVD/CVD is a process not a type, whichever coating you choose will determine your results and color but many are tougher (and slicker) than nitrocarb. DLC is even tougher and slicker and comes in lots of pretty colors (duplex stainless looks amazing without being gaudy). Hard Chrome is also a good choice since unless you gouge the crap out of it you can just polish it out or re-beadblast for much less than a new coating. If you are very rough on your stuff, learn to cerakote and just repaint as needed. Link to comment Share on other sites More sharing options...
Chui Posted May 19, 2019 Share Posted May 19, 2019 Nitrocarb is very tough. But it will wear if you're rough on gear or do a whole lot of draws from a kydex holster. PVD/CVD is a process not a type, whichever coating you choose will determine your results and color but many are tougher (and slicker) than nitrocarb. DLC is even tougher and slicker and comes in lots of pretty colors (duplex stainless looks amazing without being gaudy). Hard Chrome is also a good choice since unless you gouge the crap out of it you can just polish it out or re-beadblast for much less than a new coating. If you are very rough on your stuff, learn to cerakote and just repaint as needed.Actually, nitrocarburization is the tougher, harder, more durable more salt water corrosion resistant of the two.Putting DLC atop a nitrocarburized slide is the ticket.Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
Absocold Posted May 20, 2019 Share Posted May 20, 2019 6 hours ago, Chui said: Actually, nitrocarburization is the tougher, harder, more durable more salt water corrosion resistant of the two. Putting DLC atop a nitrocarburized slide is the ticket. Sent from my iPhone using Tapatalk DLC is as hard or up to more than twice as hard as nitrocarb (depending on material used for coating) and also has a much, much lower coefficient of friction. Also DLC has similar corrosion resistance to nitrocarb and superior resistance when applied on top of nitrocarb. If you can find a peer-reviewed technical paper anywhere that says otherwise to these assertions, I'd be very interested to read it. Depending on the materials and process used, a very broad interpretation of all the testing data I've seen is that coating durability/hardness go basically like this: Cerakote > Parkerizing > Hard Chrome > Nitrocarb > PVD > DLC This ignores surface treatments such as bluing and case hardening but we know exactly how durable those are from long experience. Better than nothing but not better than most coatings. For the money, a full park job polished out a bit with cerakote over it on the externals is enough for most people. Cheap, effective and easily repaired. But if you want harder and slicker, move up the list as your budget allows. PS. Side note, I wonder why no one is using boriding in the gun market besides a few AR-15 bolt makers. Looks to be a better choice than hard chrome. Link to comment Share on other sites More sharing options...
Chui Posted May 20, 2019 Share Posted May 20, 2019 Ferritic Nitrocarburization is a surface conversion process and is a surface hardening process.I have some articles that I can email you.CeraKote is just a paint. It’s not very good compared to Melonite/Tuftride/Tenifer (all Nitrocarburization tradenames, btw). Parkerizing is not as durable or corrosion resistant, either.PVD coatings are thin film coatings and they are bonded but a small point load (a pointed nail) will cause the coating to fail.Glock is smart: the Melonite then use PVD (in this case some form of DLC) on top of their slide.That’s the best that I’m aware of at the moment.Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
orangeman711 Posted May 21, 2019 Share Posted May 21, 2019 Would any of these finishes work on a extended shotgun magazine tube and not burn off? Link to comment Share on other sites More sharing options...
Yondering Posted May 22, 2019 Share Posted May 22, 2019 On 5/20/2019 at 5:13 AM, Chui said: Ferritic Nitrocarburization is a surface conversion process and is a surface hardening process. I have some articles that I can email you. CeraKote is just a paint. It’s not very good compared to Melonite/Tuftride/Tenifer (all Nitrocarburization tradenames, btw). Parkerizing is not as durable or corrosion resistant, either. Just a comment on Melonite/Tenifer etc pistol slides and visible wear - the nitrocarburizing itself is not black, just bright steel color. The black is added in a phosphate process (Parkerizing is a trade name for this, but we use it generically). The visible wear you see most of the time when one of these slides gets shiny spots is just the parkerizing wearing off; the nitrocarburized surface underneath is intact. I have brought a couple of my Glock slides back to looking new again by just degreasing and parkerizing the surface again, all the visible wear spots disappear. Nitride and nitrocarburizing are often used in industrial applications without a black surface treatment added; those are not visually obvious. Some Porsche crankshafts are treated that way, for example. Link to comment Share on other sites More sharing options...
dsatchell Posted July 10, 2019 Share Posted July 10, 2019 I had two of my pistols coated at Robar Guns, one in NP3 and the other in NP3 Plus. They have lifetime guarantee on the coating and the PTFE electroless nickel is great for wear resistance and lower friction. Fantastic treatments. Link to comment Share on other sites More sharing options...
Joe4d Posted July 11, 2019 Share Posted July 11, 2019 ur gonna want to change something. Just get it blued and keep it lubed... Gets worn clean it and cold blue it, go for some more lube. I wouldnt ever pay for one of these fancy pants coatings. Actually used gun coating will get dinged and you cant home fix it. Link to comment Share on other sites More sharing options...
elguapo Posted July 11, 2019 Share Posted July 11, 2019 (edited) deleted Edited July 11, 2019 by elguapo Link to comment Share on other sites More sharing options...
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