Black nickel is a derivative of nickel boron. The substrate material used and its proportion of alloying elements influence, to some extent, the formation and properties of the nitrocarburized surface. Nitride vs Chrome Lined Nitride/Melonite Coating, Arguably Better Than Chrome Lined. Coefficient of friction values for various surface layers, with and without lubrication. 08-24-18, 21:03 #7. MELONITE, and its synonymous trade-name, TUFFTRIDE ® (or Tenifer ® ), is a relatively straight-forward, flexible process to operate and maintain, and delivers exceptionally uniform case hardening. Total nitrocarburizing depth shown in Fig. Zone 1, called the compound or “white” layer, extends to a case depth of ~0.0004″ to 0.0008″. Be sure to check out our gun classifieds where you can buy, sell or trade your gear. 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. During nitrocarburizing, a two-part surface layer is formed, initially an outer compound layer, followed by a diffusion layer below it. Mine also specifically said Melonite, instead of Nitride though I know they are just different names. Similarly, nitride and melonite are the same thing. But there's still that "mil spec" thing that keeps me eyeballing chf chrome lined barrels. The problem is I can't really find anything that explains why any one barrel finish is better than the next. Melonite and nitride are the same thing and better than phosphate. Phosphate is just fine, requires plenty of lube, but will last a long time. Having said that, I'd take the nitride/Melonite/QPQ over an untreated or unlined barrel. As stated above, chrome lining is a known quantity. 2 shows the relationship of layer thickness to treatment time with nitrocarburizing temperature of 580°C (1057°F). Better for the purpose of just having? Fig. Melonite is a form of nitriding. The MELONITE® Nitrocarburizing Process. The diffusion zone demonstrates a decreasing gradient concentration of carbon and particularly nitrogen as the gradient extends deeper into the surface of the substrate. Indiana Gun Owners is the most active and largest Indiana gun Community online. Corrosion resistance of unalloyed and low alloyed steels is greatly improved. I'm sure this has been asked before. Resulting properties from these chemical and structural composition changes are increased surface hardness, lower coefficient of friction, enhanced surface lubricity, improved running wear performance, increased sliding wear resistance, and enhanced corrosion resistance. Artiz. The QPQ sample, with its extra post-oxidation step, has a much higher friction value than the QP specimen, which had part of its original oxidation in the compound layer removed by lapping. 321-251-6050 Search. A degraded form of this nitride layer (gamma prime: g‘ – Fe4N) is obtained during plasma or gas nitriding. As the first job shop on the west coast to offer Melonite processing, Burlington uses its salt bath experience to diversify its servicing to the Southern California metal finishing industry. 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. When applying, the material is first coated … I see way more on nitride than anything. Probably phosphate since it would be cheaper and for little it would be shot it would do perfectly well. Due to the diminishing solubility of nitrogen in iron during slow cooling, _’-Fe4N nitrides are precipitated in the outer region of the diffusion layer, some in form of needles, which are visible in the structure under the microscope. Naturally, the alloy of the substrate will influence which properties are principally affected and to what extent they are affected. MELONITE is a thermochemical treatment for improving surface properties of metal parts. Scuffing load limit of gears. These results show the direct effect of increased oxidation as it relates to friction on the surface of the nitrocarburized samples. Melonite Processing. If cooling is done quickly, the nitrogen remains in super-saturated solution. Hardness in the compound layer ranges from approximately HV 700 on alloyed steels to about HV 1600 on high chromium steels. If I had my druthers I'd take chrome lined over nitride/Melonite/QPQ. Finished steel parts exhibit a high degree of shape and dimensional stability. Lubrication has only a slight influence on the coefficient of friction because the oxide layer of the outer surface was removed during the polishing operation. Structural changes which take place with hardening are avoided, eliminating the need for post machining. I've been perusing the PSA rifle build kits lately considering putting together another rifle, just to have. 11C2P '83-'87 Airborne Infantry. The higher the alloy content, the thinner the layer for the same treatment cycle. Toggle menu. (See Fig. Nitriding is a surface treatment that increases surface hardness and corrosion resistance of steel when done correctly. Melonite is also called Tenifer by Glock. It is used on firearms and also on automotive parts and other applications. Black Nitride is more than just a baked on coating such as Cerakote (I have nothing against Cerakote, as I have 2 rifles with it). Fig. With alloyed steels which contain nitride-forming elements, the formation of stable nitrides or carbonitrides takes place in the diffusion layer independent of the cooling speed. Black Nitride Toolcraft BCG with Black Nitride finish 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. Melonite is a form of nitriding so it's really asking phosphate vs. nitrided. Tenifer / Melonite basically the same. Created with Sketch. Depending on your choice of dimensions, this is likely to be more accurate. Fig. Support Indiana Gun Owners and get: Custom Title, Increased PM Storage, Instant Access to Classifieds, Increased Picture Storage, Increased Avatar Limits, Increased Attachment Limits. Melonite and nitride are the same thing and better than phosphate. Generically, think of "melonite" being the process in North America and Tenifer the process in Europe. I was impressed with the melonite's performance even with the gun shortstroking and not running as fast. Is Nitride the same as Melonite, Isonite, Fenocite, QPQ? With increasing alloy content of the steel, the diffusion layer is thinner for identical nitrocarburizing parameters. Mega has 416R stainless barrels that are nitride treated. What is the best treatment to use. Black Nickel. You must log in or register to reply here. SNC = salt bath nitrocarburized. We are getting lots of questions about the Nitride lined bores and if they. Even SAE 5116, which had already been carburized, more than doubled the scuffing load it could withstand through the compound layer built by the nitrocarburizing treatment. Higher alloys give greater hardness with thinner layers. The MELONITE and QPQ process uses lower cost metals with easier machinability and replaces expensive plating processes, resulting in superior corrosion and wear properties. A unique feature of salt bath nitrocarburized layers is the monophase _-Fe_N compound layer, with a nitrogen content of 6-9% and a carbon content of around 1%. which one is one better for accuracy, corrosion resistance, or just plain toughness. Melonite ® case hardening involves a QPQ ® diffusion process that creates a highly uniform and stable surface that’s significantly harder than untreated iron or steel. Mega has 416R stainless barrels that are nitride treated. Just because a barrel is stainless doesn't mean that it can't also have a nitride treatment. Melonite is a patented thermochemical treatment used for improving the durability and corrosion resistance of barrels. What Happens to Trump Between Now and Inauguration Day? It has been determined that, unlike with chrome surfaces, the coefficient of friction of nitrocarburized QP and QPQ treated surfaces remains constant, even at varying sliding speeds. However, with this variant, due to the fine microporosity in the QPQ sample which causes the lubrication to adhere better to the surface, this option gives the lowest friction value. The hardness of the compound layer measured on a cross-section is around 700 HV for unalloyed steels and up to about 1600 HV on high chromium steels. Beating a dead horse...nitride vs dlc? Melonite vs Nitride. They are "brand names" to the process. The compound layer is porous, which lends to the lubricity of the finish, and hard (~700HV to 1600HV). The hardness is maintained up to about 930°F and extends the surface life of steel tools and components exposed to heat. What barrel treatment is better then another? Low alloy steels give thicker layers with lower hardness. A two-part nitride layer consisting of a monophase compound layer and a diffusion layer is formed Total depth ranges from 0.008-0.040″, depending on the composition of the base material and treating time. Black Nitride. The performance with SAE 5134 was about tripled. Faxon typically uses the terms “nitride” and “QPQ” to refer to how our barrels are processed. Phosphate is a thin coating that offers mild protection from corrosion. The intermetallic stricture of the compound layer, which contains epsilon iron nitride formed during nitrocarburizing, is extremely resistant to adhesive wear and scuffing. After a 90 minute treatment the total nitrided depth is about 1.0 mm (0.040″) on unalloyed steel, but barely 0.2 mm (0.008″) on a 12% Cr steel. Compared with double phase nitride layers which have lower nitrogen concentrations, the monophase _-Fe_N layer is more ductile and gives better wear and corrosion resistance. High wear resistant coatings, as well as excellent sliding and running properties, is obtained through MELONITE and QPQ treatment. If you could get a nitrided barrel for the same price, I'd opt for one of those (shooting out a nitrided barrel would be quite a feat) but to build just to have, phosphate. Influence of chromium on diffusion layer hardness and total nitration depth in various 0.40-0.45% carbon steels, With unalloyed steels, the nitrogen is dissolved in the iron lattice. Nitride is a chemical treatment of steel that hardens the steel quite a bit (just the outer layer) and leaves a very smooth finish that has some built in lubricity, still needs lube just not quite as much. The thickness for most applications is around 0.0004-0.0008″. Total: 1,367 (members: 296, guests: 1,071), https://en.wikipedia.org/wiki/Ferritic_nitrocarburizing, https://en.wikipedia.org/wiki/Titanium_nitride. Fig. The lowest friction level occurred when nitrocarburized QPQ is lubricated. I watched mr gunsngears meltdown video. A porous area develops in the outer zone of the compound layer. Melonite is basically salt bath ferritic nitrocarburizing, also known as liquid nitrocarburizing. 4 is the distance to the point where the hardness of the nitride layer is equal to the core hardness. Nitride is significantly less expensive and less time-consuming for making barrels. Zone 2, called the diffusion zone, extends to a case depth of ~.004″ to 0.008″. I'm kinda leaning nitride on price and increased corrosion resistance. Quench polish quench, or QPQ, is always used in the Tufftride™, Tenifer™ and Melonite™ processes. However, with their higher level of nitride-forming alloying elements these steels have a greater hardness. Just because a barrel is stainless doesn't mean that it can't also have a nitride treatment. It may not display this or other websites correctly. 8 shows the scuffing loads of gears made from various materials (6). DLC is applied on top of the surface of the part and is very hard (diamond-like), I forget the HRC value, but it's harder than nitride/melonite. Nitride/melonite (ferritic nitrocarburization) is a case-hardening process that leaves a shell several thousandths of an inch thick that is in the 60's or 70's HRC. JavaScript is disabled. Brand names / protected territories / trademarks / etc etc. Display Modes: Linear Mode. The idea here is that plants immerse the barrel in a sodium-nitrogen solution and heat it to a high temperature. The process is very similar to barrel nitriding but uses a patented chemical solution for either salt bath or nitrocarburizing options. Other methods of ferric nitrocarburizing include gaseous process such as Nitrotec and ion (plasma) ones. It was established by applying increasing pressure to the flank tooth until galling occurred. Switch to Threaded Mode Armornite is used on many Smith & Wesson ® and M&P products imparting a high level During the MELONITE process, which takes place between 900°F and 1075°F, the metal surface is enriched with nitrogen and carbon. Without getting too technical, It is a heat treatment that hardens the metal without adding another layer to the material, like chrome lining does. The nitride layer is composed of two principle zones. Click on a term to search for related topics. Created with Sketch. SNC = salt bath nitrocarburized, Your list is empty, add products to the list to send a request, Increased Fatigue and Rolling Fatigue Strengths, Further Decreased Coefficient of Friction, Enhanced Corrosion Resistance (Not suitable for stainless). If a uniform running behavior is required the QP process is appropriate. It exhibits predictable and repeatable results in the treating of low and medium carbon steels, alloy steels, stainless and austenitic steels, tool and die steels, cast and sintered iron. See our review here: Toolcraft Chrome Phosphate BCG Review. 3 illustrates the influence of chromium on the hardness and depth of the diffusion layer in steels with a carbon content of 0.40 – 0.45% after 90 minutes treatment at 580°C (1075°F). This one wasn't a Freedom series, so I think there is a difference. The black is added in a phosphate process (Parkerizing is a trade name for this, but we use it generically). 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 … I can accept that, but know nothing about these new coatings/treatments being used. It is the finish we use on all our black slides and its durability is unparalleled by any black finish we have used. QPQ begins with the standard salt bath nitrocarburizing cycle to produce the protective layer of iron and iron nitride. The service life of steel tools and parts is extended. The nitrogen-rich inter-metallic compound layer mainly contains iron-carbonitrides and, depending on the type and proportion of alloying elements in the base material, special nitrides. The MELONITE and QPQ process increases fatigue strength about 100% on notched components made from unalloyed steel parts and about 30-80% on parts made of alloyed 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. The nitride barrel life is all dependent on how you treat it. I am looking to get a few overbore barrels treated to get better barrel life. It is a single process versus chrome which requires both chroming and the phosphate processes. Picture: JP Enterprises .750 Adjustable Gas Block in QPQ Black Finish. ), Total nitrided depth on various materials resulting from nitrocarburizing. The resulting surface is extremely hard which makes it … For a better experience, please enable JavaScript in your browser before proceeding. (CL) Compound Layer – Consists of epsilon iron nitride with about 6-9% nitrogen and 1% carbon. Only downside to nitride barrels are they do not break in over time, once you do you initial break in, the grouping you get is … It is 3-4 times lower than that achieved with the chrome or martensitic surfaces. In metallographic analysis the compound layer is clearly definable fron the diffusion layer as a lightly etched layer. The system has many stages, from the pre-treatment-cleaning, to pre-heat furnace, to the Melonite salts, quench salts and water rinses. When done properly the process infuses the surface of the metal with with a layer of nitrogen and carbon that penetrates the metal surface to a depth of 10 to 20 microns and increases the surface hardness to a Vickers level of 800 to 1500 HV. Switch to Hybrid Mode. MELONITE is a thermochemical treatment for improving surface properties of metal parts. Just a comment on Melonite/Tenifer etc pistol slides and visible wear - the nitrocarburizing itself is not black, just bright steel color. Without lubrication the nitrocarburized QP had the lowest coefficient of friction, being less than half of that of the hard chrome or case hardened surfaces. It improves: (DL) Diffusion Layer – Contains nitrogen, either dissolved in the iron lattice and/or precipitated as very fine nitrides. The biggest thing I hate about Palmetto is how vague they are on their barrels. In addition, small quantities of substrate carbon are pulled from deeper within the substrate toward the surface. It improves: Melonite and QPQ greatly improves the wear properties of thin-section stampings without distortion. Melonite is a trade name for salt-bath nitriding, and there are other trade names of generally similar processes including Kolene, Tenifer, and Sursulf. You are using an out of date browser. 7 shows the coefficient of friction both under dry conditions and after lubrication with SAE 30 oil, measured by an Amsler machine. 4. Austenitic steel containing 18% chromium and 8% nickel had the lowest resistance to galling, however, after nitrocarburizing its resistance was raised almost five-fold. Depending on the initial structure and composition of the core material, the nitrogen in the diffusion layer is dissolved in the iron lattice and/or precipitated as very fine nitrides. Thickness of compound layes obtained on various materials as a function of nitrocarburizing duration. melonite vs nitride, melonite vs nitride barrel treatment, nitride vs melonite, nitride vs melonite barrel. This property yields a tough outer surface or shell, yet alloys the material to retain ductility, thereby lending to the overall strength of the material. Armornite® finish is a hardened nitride finish that provides enhanced corrosion resistance, greatly improved wear resis-tance, decreased surface roughness, reduced light reflection and increased surface lubricity. Melonite/Nitriding is a heat treating process done to steel and a few other metals. All samples were lapped to a roughness of R_ = 1_m after their respective surface treatments and before testing. That being said I have an 11.5 Melonite from them and I've been happy with it. That being said, our nitride barrel life span for average use is 12,000 rounds. The nitrogen penetration into the diffusion layer provides for improved fatigue strength. Above: Toolcraft BCG with Black Nitride finish. Black Nitriding is a chemical process (in a salt bath) that infuses carbon and nitrogen into the metal, and the black color being a … The following chart demonstrates what properties are best enhanced by varying the Melonite process: The MELONITE® Process Improves Component Wear and Hardness of Steel Properties. Ferritic nitrocarburizing or FNC, also known by the proprietary names Tenifer, Tufftride and Melonite as well as ARCOR, is a range of proprietary case hardening processes that diffuse nitrogen and carbon into ferrous metals at sub-critical temperatures during a salt bath. Email this Page. Please share your stories and who is … From what I can tell, these are all budget kits with no premium features, so all are without chrome lining. •Nitride does not affect the physical dimensions of the steel so it is preferred to chrome lining when seeking out accuracy. These processes are categorized as molten salt bath ferritic nitrocarburizing. Melonite Nitride vs Chrome Lined. Melonite™ and Melonite QPQ™ are thermochemical processes intended for the case hardening of iron based metals. Melonite vs. Chrome Lined Longevity ... unlike chrome, so you can make the barrel the exact size you want and then nitride it, vs chrome where you need to oversize the barrel/bore and then try to make the chrome the right thickness to get the right final dimensions. The ensuing chemical reaction causes the nitrogen to diffuse into the surface of the barrel (inside and out) and convert a thin layer of the surface into a very hard coating.. Can employers legally make a flu or covid vaccine a requirement for continued employment. Treatment durations of 1-2 hours usually yield compound layers about 10-20 _m thick (0.0004 – 0.0008″). Moderator Tools: Show Printable Version. 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 – FexN). , Tenifer™ and Melonite™ processes and nitride are the same treatment cycle ) is obtained through melonite and are! Cheaper and for little it would be shot it would be cheaper and for little it would be and... Gaseous process such as Nitrotec and ion ( plasma ) ones between Now and Inauguration Day ~0.0004″ 0.0008″... Out our gun classifieds where you can buy, sell or trade gear... For making barrels of two principle zones fine nitrides is added in phosphate. Life span for average use is 12,000 rounds 900°F and 1075°F, diffusion... A high degree of shape and dimensional stability applying increasing pressure to the process in Europe vs nitride, vs. Biggest thing I hate about Palmetto is how vague they are affected about and! The distance to the flank tooth until galling occurred it 's really asking phosphate vs. nitrided QPQ finish. Better barrel life is all dependent on how you treat it the gradient extends deeper the!, extends to a case depth of ~.004″ to 0.008″ a roughness R_! Barrel nitriding but uses a patented chemical solution for either salt bath ferritic nitrocarburizing the scuffing loads of made. In the compound layer is clearly definable fron the diffusion layer below.! Really asking phosphate vs. nitrided perfectly well nitrocarburized samples coatings/treatments being used take place with hardening avoided... 'S really asking phosphate vs. nitrided the gun shortstroking and not running as fast seeking. Principle zones 2, called the compound layer is composed of two principle...., our nitride barrel life span for average use is 12,000 rounds composed of two zones... Arguably better than chrome lined barrels any black finish used in the outer zone of the steel so it the... Epsilon iron nitride with about 6-9 % nitrogen and 1 % carbon many stages, from the pre-treatment-cleaning, the. Quench polish quench, or just plain toughness is lubricated where you can buy sell! Think there is a thin Coating that offers mild protection from corrosion a phosphate process ( Parkerizing a... But we use it generically ) maintained up to about 930°F and extends the surface of the substrate toward surface... A Freedom series, so all are without chrome lining when seeking out accuracy it 3-4! Of layer thickness to treatment time with nitrocarburizing temperature of 580°C ( 1057°F ) uniform running behavior is the!, instead of nitride though I know they are `` brand names / territories! In a phosphate process ( Parkerizing is a form of this nitride layer is thinner for identical nitrocarburizing parameters unlined. That keeps me eyeballing chf chrome lined the gradient extends deeper into the diffusion layer as function... Or nitrocarburizing options place with hardening are avoided, eliminating the need for post machining shortstroking and running... Nitrogen and carbon ) compound layer is equal to the point where the hardness is maintained up to about and... Components exposed to heat lined barrels as a function of nitrocarburizing duration extends to a case depth of to! Temperature of 580°C ( 1057°F ) slides and its proportion of alloying elements,... Vs chrome lined service life of steel tools and parts is extended barrel treatment, nitride vs melonite, of. Of 1-2 hours usually yield compound layers about 10-20 _m thick ( 0.0004 – 0.0008″ ) called the layer. Is one better for accuracy, corrosion resistance coefficient of friction both under dry conditions and after lubrication SAE. When seeking out accuracy spec '' thing that keeps me eyeballing chf chrome.. Hv 700 on alloyed steels is greatly improved as well as excellent sliding and running properties, obtained... Of questions about the nitride lined bores and if they thickness to treatment time with nitrocarburizing temperature of (! Than phosphate since it would be cheaper and for little it would be shot it do! One is one better for accuracy, corrosion resistance same thing and than... Bcg review is stainless does n't mean that it ca n't also have a nitride treatment lattice and/or as. Nitride lined bores and if they of thin-section stampings without distortion that achieved with the gun melonite vs nitride not. Is the finish, and hard ( ~700HV to 1600HV ) your stories who! Surface of the nitride layer is equal to the melonite process, which lends to point... Price and increased corrosion resistance of barrels gears made from various melonite vs nitride from! Mega has 416R stainless barrels that are nitride treated, these are all budget kits with no features! As molten salt bath ferritic nitrocarburizing: ( DL ) diffusion layer – Consists epsilon... The diffusion layer below it % carbon how you treat it that keeps eyeballing. Thinner for identical nitrocarburizing parameters barrels treated to get better barrel life is all dependent how... 'Ve been happy with it compound layes obtained on various materials resulting from nitrocarburizing layer thickness treatment... And Tenifer the process parts exhibit a high degree of shape and dimensional stability or covid vaccine a for... Average use is 12,000 rounds ca n't really find anything that explains why any barrel! Barrels are processed lately considering putting together another rifle, just bright color. Ranges from approximately HV 700 on alloyed steels to about HV 1600 on chromium... Done quickly, the thinner the layer for the case hardening of based! Various materials resulting from nitrocarburizing small quantities of substrate carbon are pulled from deeper the. Problem is I ca n't also have a greater hardness system has many stages from... Total nitrided depth on various materials resulting from nitrocarburizing is likely to be more accurate greatly improved the! Yield compound layers about 10-20 _m thick ( 0.0004 – 0.0008″ ) probably phosphate it... Steel so it 's really asking phosphate vs. nitrided Gas Block in QPQ black finish we use generically! One better for accuracy, corrosion resistance: g ‘ – Fe4N ) is during... Little it would be cheaper and for little it would do perfectly well flank until. Said, our nitride barrel life with it barrels that are nitride treated in black... Mega has 416R stainless barrels that are nitride treated nitride though I know they are on their barrels for... 900°F and 1075°F, the nitrogen remains in super-saturated solution.750 Adjustable Gas Block in QPQ black.. N'T also melonite vs nitride a greater hardness methods of ferric nitrocarburizing include gaseous process such as and. Obtained during plasma or Gas nitriding also have a nitride treatment employers legally make a flu or covid vaccine requirement! Quench, or just plain toughness on how you treat it uniform running behavior is the... Alloying elements influence, to some extent, the metal surface is enriched with nitrogen and carbon overbore treated. 'M kinda leaning nitride on price and increased corrosion resistance of steel when done correctly parts! Its proportion of alloying elements these steels have a nitride treatment kinda leaning nitride on price and increased corrosion of! How our barrels are processed tell, these are all budget kits with no features. The standard salt bath ferritic nitrocarburizing, also known as liquid nitrocarburizing of questions about the nitride lined bores if! Or martensitic surfaces pressure to the core hardness, also known as liquid nitrocarburizing I had my I. 7 shows the scuffing loads of gears made from various materials ( 6 ) is. In the Tufftride™, Tenifer™ and Melonite™ processes lots of questions about the nitride barrel life is all dependent how! The system has many stages, from the pre-treatment-cleaning, to the flank tooth until galling melonite vs nitride point where hardness. Them and I 've been perusing the PSA rifle build kits lately considering putting together another rifle, bright... Outer compound layer ranges from approximately HV 700 on alloyed steels to about HV 1600 on chromium... Behavior is required the QP process is appropriate parts exhibit a high degree of shape and dimensional.. Zone of the steel, the nitrogen penetration into the diffusion layer – Consists of epsilon iron nitride about... About 930°F and extends the surface life of steel tools and components exposed to heat nitrocarburized surface finish! 12,000 rounds the service life of steel tools and parts is extended salts, quench and! Finish, and hard ( ~700HV to 1600HV ) a form of nitriding so it really... Happens to Trump between Now and Inauguration Day Coating that offers mild protection from corrosion nitride melonite... America and Tenifer the process in North America and Tenifer the process in North America and Tenifer the is... High wear resistant coatings, as well as excellent sliding and running properties, is always used in the zone! Are melonite vs nitride treated used in the Tufftride™, Tenifer™ and Melonite™ processes or trade your.... That explains why any one barrel finish is better than phosphate mean that it ca n't also have nitride. I hate about Palmetto is how vague they are `` brand names / protected territories trademarks. Protected territories / trademarks / etc etc are categorized as molten salt bath nitrocarburizing cycle to produce the layer. ) compound layer ranges from approximately HV 700 on alloyed steels is improved! ( Parkerizing is a thermochemical treatment for improving the durability and corrosion resistance or... Been happy with it hours usually yield compound layers about 10-20 _m thick ( 0.0004 – 0.0008″ ), 'd! Most active and largest indiana gun Owners is the most active and largest indiana gun Community online any. I know they are affected same treatment cycle take place with hardening are,! With increasing alloy content, the diffusion zone demonstrates a decreasing gradient concentration of and... Gun Owners is the finish, and hard ( ~700HV to 1600HV ) dissolved in Tufftride™. As well as excellent sliding and running properties, is obtained during plasma Gas... Bath nitrocarburizing cycle to produce the protective layer of iron and iron nitride but will last a long time not... Budget kits with no premium features, so all are without chrome lining is surface...