I think that it probably should be cheaper than chrome, chrome just has scale of production behind it. ...believe in me, I'm with the High Command. ISONITE® QPQ (per SAE AMS 2753) is a high-performance variety of salt bath nitrocarburizing process. These processes are most commonly used on high-carbon, low-alloy steels. We're going to find out at what point this rifle will fail and take a look at what the barrel will look like when we get done with it. After a while you just try and get a tourniquet on it.” Cormac McCarthy. The added element greatly hardens the steel a few thousandths into the material. That was my main point. Melonite ® - Salt Bath Nitriding. I'll go with the superior hardness and the ultra crisp sharp edges in the rifling. Thread Status: Not open for further replies. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. This is largely a result of how many manufacturers go about finishing their bore and chamber, as well as how the salt bath nitride process is executed. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. I heard that if I do Melonite the barrel I should break in the barrel first. Also known as Melonite, Salt Bath Nitride or simply Nitride, this is a heat treating process that creates a case hardened surface by diffusing nitrogen into the metal surface. My only concern is that a Melonite barrel should be very very precisely cut using the sharpest possible carbide tools as to leave as little of tool marks as possible. It is also known as Liquid/Salt Bath Ferritic Nitrocarburizing (FNC) process. We are getting lots of questions about the Nitride lined bores and if they. The resulting surface is very smooth and extremely hard which makes it … If you care about accuracy and longer barrel live, the Melonite barrel has clear advantages. Go Melonite. Any input would be greatly appreciated as I still have a lot to learn. Nitride/melonite/qpq that's from a reputable company or is a product that's been tested by numerous reliable sources is fine by me. Melonite, WASP or nitride treated. Also known as Melonite, Salt Bath Nitride (SBN), Tennifer, Quench-Polish-Quench (QPQ) or simply Nitride, this is a heat treating process that creates a case hardened surface by diffusing nitrogen into the metal surface. Black Nitride goes by a few names, Ferritic Nitrocarburizing, Melonite, SBN "salt bath nitriding", QCP and Tenifer, that are all names for the same thing, the only difference would be Tenifer, this process is used in Europe with a different cyanide formulation bath "EPA wont allow that in the US". The one point that everyone missed it accuracy. Melonite™ and Melonite QPQ™ are thermochemical processes intended for the case hardening of iron based metals. The resulting surface is extremely hard which makes it … Melonite™ and Melonite QPQ™ are thermochemical processes intended for the case hardening of iron based metals. Salt Bath Nitriding goes on both inside of the bore and on the outside surface. Mission Statement. I know the advantages and disadvantages of the chrome lined but they are saying the Melonite is better. It is most commonly used on steels, sintered irons, and cast irons to lower friction and improve wear and corrosion resistance. Is the Melonite a good way to go if i want something that will be easy maintenance and long lasting? I am looking at buying my barrel for my first 5.56 build as it is one of the last things I need. Faxon always uses the liquid salt bath Quench, Polish, Quench (QPQ) method. This sort of thing is done by custom shops on request. During these processes, nitrogen, carbon, and small amounts of oxygen are diffused into the surface of the steel, creating an epsilon iron nitride layer ( e – Fe x N). Salt bath ferritic nitrocarburizing The simplest form of this process is encompassed by the trademarked Melonite process, also known as Meli 1 . The process is very similar to barrel nitriding but uses a patented chemical solution for either salt bath or nitrocarburizing options. Well, I did not miss that point in my post above. Tennifer, melonite, armornite, etc. This process will impart a wear-resistant, corrosion-resistant diffused case that will improve the performance of your product, providing enhanced performance gains when compared to conventional phosphating or black oxide surface treatments. All Rights Reserved. They are different names for a similar process. [SUP] [14] … Who is the company, and what do they charge to do it? I would like to add my 2 cents regarding chrome plating. Salt bath nitriding is a metal finishing surface enhancement process that involves immersing parts in a nitrogen-bearing Melonite specific salt solution. I wanted to Melonite my Defiance Rebel action and my Krieger barrel. It shoots MOA if I do my part. The chrome inside is unaffected in this case. AR15.COM is the world’s largest firearm community and is a gathering place for firearm enthusiasts of all types. All Rights Reserved. While some features and specifications may vary slightly, you can expect another barrel nitriding service to offer similar benefits and capabilities as patented Melonite servicing. Discussion in 'Rifle Country' started by razorback2003, Aug 23, 2015. are all trademarked types of nitride in use by Glock, Smith & Wesson, etc. In fact, nor is it the safer way. When researching salt bath nitrided barrels it is not uncommon to come across a wide variety of reports on the varying level of performance you may see from barrels utilizing this treatment method. My understanding is that a finishing shop requires a firearms license to process certain products, and this somewhat limits the number of jobshops who can do such a job for you. I have been pretty much looking for a chromed lined barrel but just stumbled across an Adams Arms barrel that is QPQ Melonite inside and out for a pretty good price. ", [Last Edit: 2/8/2016 12:35:04 PM EST by ahrion], [ARFCOM NEWS] What Really Happened With Braces + S&W Sues NJ AG + NYPD Proud To Seize Props. Above: Toolcraft BCG with Black Nitride finish. [Last Edit: 9/27/2013 7:39:42 AM EST by bosundave], Rifles, Uppers, Lowers, Barrels, and more, [ARFCOM NEWS] What Really Happened With Braces + S&W Sues NJ AG + NYPD Proud To Seize Props, [ARCHIVED THREAD] - Melonite vs. Chrome lined Barrels. This is a discussion on Melonite, salt Nitride M14 within the Modern M14 forums, part of the M14 M1A Forum category; PICTURES PLEASE, WHY WON"T ANYONE POST PICTURES of their rifle with the MELONITE Melonite is not a coating, will not wear away, and provides a higher level of protection than hard chrome, nickel, and similar metal plating methods. I  completely agree with your more lengthy explanation. It is an amazing thing to have for standardization, but holding to specific design requirements because they are "mil-spec" is silly. Is one any more durable, or a better option, than the other? I am not a competition shooter, i will just be using it at the range and up north in the woods to shoot and hunt with. I know melonite is just a brand name for a particular salt bath nitride process/ product, and it works by chemically changing the makeup of the surface, as opposed to micro slick, which is … Salt bath nitriding —also known as ferritic nitrocarburizing (FNC)— is one of the most popular ways to achieve these results, but it isn’t the only way. Characteristics: Highly uniform case; Good white/compound layer formation; Layer microhardness: 800-1300 HV; Layer thickness: 0.0005”-0.008” Low coefficient of friction: 0.1-0.2; Quick processing time Our Melonite® QPQ process is recognized as the premier salt bath liquid ferritic nitrocarburizing process available to the firearms market. Joined: Aug 24, 2008 Messages: 1,231. Joel Kendrick is a two-time IBS 600-yard Benchrest Shooter of the Year. I think it is better to send your newly chambered barrel. Black Nitride. There are several different forms of melonite out there, example... 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