Phosphate vs nitride

I have BCM phosphate coated BCGs and I have a Rubber City Armory (RCA) black nitride coated BCG and all of which I shoot suppressed. The RCA BCG cleans up a hell of a lot easier than the traditional phosphate coated BCGs. I have also owned a Fail Zero but never shot it suppressed but it too cleaned up a lot easier than phosphate.

The preparation of phosphate-based adhesives requires the synthesis of a phosphate solution. In accordance with a P to Al molar ratio of 3:1, aluminum hydroxide (Aladdin AR) and phosphoric acid (concentration of 60 wt%, Tianjin Tianli Chemical Reagent Co., Ltd. AR) were weighed and mixed together with a magnetic stirrer for approximately 1 h in a water bath at 80 °C.Pool Phosphate Removal Tips: 1. Before testing for phosphates, water should be balanced, and chlorine level below 5 ppm. 2. Algae should be treated and pool clean before testing and treating phosphates. 3. Correct the source of the phosphate contamination, or use weekly maintenance dosage. 4.Just a few of the articles I have read can be found with a quick search and many more I'm sure with some digging around. In comparison of wear and corrosion restistence there is no way in hell that an untreated exterior barrel steel is tougher or more corrosion resistant than a nitride barrel when coated with phosphate.Andylate5. In the PSA Freedom line, I prefer nitride because the phosphate freedom barrels are not chrome lined. The nitride treatment makes the steel more wear and corrosion resistant. 6. Personally I like nitride, but there are some possible problems with it. I've read that the nitriding process heats the metal to over 1000 deg F.DLC vs Nitride What are the pro's and con's of these applications, for a rifle action. Which one holds up better, and is more slick. S. swampbuck Sergeant. Supporter. Full Member. Minuteman. May 11, 2012 696 156 41 Mississippi. Mar 8, 2020 #2 ; DLC is supposed to be more slick. Also more expensive . S. Stoweit Supporter. Supporter.Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.

I have to wipe it down with CLP because out of the box the bolt looked nitride in finish and even after wiping down it still was very smooth black finish so I popped out the bolt and looked into the carrier to see if it was chrome lined. The bolt is very well finished and the phosphate is very smooth almost looks like a matte nitride finish.phosphate vs. nitride barrels: why coat? before we go into detail about phosphate coatings vs nitride on ar barrels, let’s take a look at why you’d even coat your barrel in the first place. leaving an ar barrel “in the white” or uncoated exposes the steel to the elements and to possible damage. a coating will protect the barrel and make ...IMO, the Black Nitride finish is the best bang for the buck of the black BCG finishes. It is a super hard finish that runs smooth and is both easy to clean and easy on the wallet. For a comparison of the top 3 black BCG finishes see our article The Best Black BCG Finish - Phosphate vs Nitride vs DLC .The nitride process heats the steel up then dissolves nitrogen into the steel... Long story short, the nitrogen only goes (with any serious concentration) maybe .005-.010" into the surface, and the nitrogen atoms act like gravel in gears (the gears being Fe and C atoms in the crystalline structure of the steel) and prevent movement on an atomic ...Phosphate, AKA parkerizing, is an external surface coating that somewhat improves corrosion resistance, darkens the metal, and gives a harder rough finish. …CL barrels have a phosphate outer finish that SUCKS (scratches easily, is NOT corrosion resistant w/o constant oil wipes, etc). Nitride is cheaper AND better than CL in my book. I'm actually as happy with my Ptac nitride middy as I am with my FN CHF/CL middy, and that's saying a lot.Barbell coatings are a great way to enhance or maintain the look of a barbell. Aesthetics are subjective – thankfully, coatings offer something for everyone. Silver finishes – Stainless steel, hard chrome, …

CL barrels have a phosphate outer finish that SUCKS (scratches easily, is NOT corrosion resistant w/o constant oil wipes, etc). Nitride is cheaper AND better than CL in my book. I'm actually as happy with my Ptac nitride middy as I am with my FN CHF/CL middy, and that's saying a lot.Conclusion. Nitride is a nitrogen compound in which nitrogen has a proper oxidation condition of −3. Nitrides are an enormous class of compounds with a wide scope of properties and applications. In chemistry, a phosphide is a compound containing the P3− particle or its same. Various phosphides have varying designs.Stainless steel gives better accuracy but at the cost of lower overall barrel life. That being said the average shooter doesn't shoot enough or accurately enough to benefit from stainless steel. Nitride from a production standpoint is also easier to make and generally translates to cheaper barrels/uppers but exceptions do exist. 2 Likes.Andylate5. In the PSA Freedom line, I prefer nitride because the phosphate freedom barrels are not chrome lined. The nitride treatment makes the steel more wear and corrosion resistant. 6. Personally I like nitride, but there are some possible problems with it. I've read that the nitriding process heats the metal to over 1000 deg F.Ak-74 barrels are only good for 10,000 rounds according to Izmash when subjected to lots of automatic fire. But for low round counts and semi you can easily get 20,000 out of almost any barrel. As far as nitrided barrels go, numerous barrels in the IC Featured this and none showed any marked increase in barrel life.

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Easy cleaning is easy, mil-spec phosphate is the strongest finish by a country mile. I used to think in the mode of Paper vs 2 or 4 legged critters. Nitride lets you compete with the beauty queens, mil=spec phosphate has never been the reason someone didn't come home or not be able to chose: between the eyes or left/right pupil.For a 1 M buffer (selected to make the calculation easy), [Acid] + [Base] = 1. [Base] = 1 - [Acid]. Prepare the solution by mixing 0.477 moles of monosodium phosphate and 0.523 moles of disodium phosphate in a little less than a liter of water. Check the pH using a pH meter and adjust the pH as necessary using phosphoric acid or sodium hydroxide.Just a few of the articles I have read can be found with a quick search and many more I'm sure with some digging around. In comparison of wear and corrosion restistence there is no way in hell that an untreated exterior barrel steel is tougher or more corrosion resistant than a nitride barrel when coated with phosphate.I prefer, in order from favorite to least, NiB, chromed, Nitride, phosphate. I have never had a problem with any of them but find the NiB and chromed clean up so much easier and are visually easier to see if they are clean than the black nitride and phosphated BCG. The phosphated are harder to clean and seem to need more lube to operate as ...This activity includes every compound formula and name that can be formed from the list 44 Ions provided in Chemistry A at Pickerington High School Central.

I have the choice between two 10.5" pistol build kits: one with a .223 wylde phosphate heavy profile barrel, another with a .556 NATO nitride A…This is a 16" phosphate mid that came with a BCG and CH and it works just fine. Got about $340 in this gun. The barrel may not last as long but this is a low volume gun and if you put 10k on it to burn it up you got your money worth IMO. The nitride looks weird with the phosphate FSB IMO so if you're going nitride get a FF rail version like ... Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.Nitride coating is a wholly surface transformation treatment that results in a hard, incredibly wear-resistant finish with relatively decent lubricity. ... The chemical phosphate conversion coating results in a dark gray to black finish with anti-reflective properties and almost no increase in dimensions.Regular and phosphate are the same, phosphate is the mil spec coating. Similarly, nitride and melonite are the same thing. Phosphate is just fine, requires plenty of lube, but will last a long time. 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 ...Nitride is generally better. Phosphate is essentially parkerization, nitride is harder and more corrosion resistant. Chrome lining is a superior bore treatment - by a little bit and for some use cases - but phosphate is a vastly inferior exterior treatment for longevity and corrosion. And because it is two processes, it costs more vs 1 single ...Nitride is pretty well established to be a sufficient substitute for chrome, assuming the surface dimensions are specified correctly for nitride treatment. Chrome has a known good track record, with only old Colt managing to really screw it up enough that they asked to change to chrome internal lining and phosphate, giving us the Milspec BCG we ...May 16, 2017 · Phosphate is a dull grey color and usually a little rougher. Nitride is usually black or blue and very smooth. One of nitrides positive attributes is that it is very slick and corrosion resistant. Old phosphate barrels can be a little slicker and shiny just from wear or exposure to lubricants. Bolt-carrier groups above, from left, represent Nickel Boron, phosphate (Palmetto State Armory), Robar NP3, black nitride and chrome-plate (Daniel Defense).Advances in gun coating technology can ...

V 3 (AsO 4) 2: Vanadium (II) Nitride: V 3 N 2: Vanadium (II) Phosphide: V 3 P 2: Vanadium (II) Arsenide: V 3 As 2: Vanadium (II) Oxide: VO: Vanadium (II) Sulfide: VS: Vanadium (II) Selenide: VSe: ... Vanadium (III) Hydrogen Phosphate: V 2 (HPO 4) 3: Vanadium (III) Phosphate: VPO 4: Vanadium (III) Arsenate: VAsO 4: Vanadium (III) Nitride: VN ...

Figure2.7.3 2.7. 3: Example of some compounds that have multiple oxidation states. Note mercury (1) is not a monoatomic cation, but is really a homonuclear diatomic ion of two mercury atoms bound to each other, both having lost one electron. So Hg 2 Cl 2 it the lowest whole number ratio of cation to anion. Example 2.iron(III) phosphate 6) K 3 N potassium nitride 7) SO 2 sulfur dioxide 8) CuOH copper(I) hydroxide 9) Zn(NO 2) 2 zinc nitrite 10) V 2 S 3 vanadium(III) sulfide Write the formulas for the following chemical compounds: 11) silicon dioxide SiO 2 12) nickel (III) sulfide Ni 2 S 3 13) manganese (II) phosphate Mn 3 (PO 4) 2 14) silver acetate AgC 2 H ...Phosphate Coating Problems & Process Heating for Zinc Phosphating. Author: Skip Schaefer In my 51 years of heating aqueous based chemical solutions, heating phosphates is the toughest without a doubt. And we're not talking about historical Parkerizing a gun. Most quality metal finishers dip the metal into a hot bath, rather than spray the phosphate coating.You still have to get a good blank. What I am saying is that unlike chrome, it doesn't make the barrel's accuracy WORSE. Both extend life similarly. Hence, nitride is the superior treatment unless you have a belt-fed where chrome really starts to shine. Outisde of that, nitride is basically always a better choice all else being equal.Today I have a mini post to share with you some light accuracy testing of the PSA 20 inch nitrided barrel assembly. Accuracy testing can be a chore, but this is more of a mini-assessment. The factory PSA upper is a flat top, nitrided, 20-inch rifle length system in 1/7 twist. The only change to the upper out of the box is a Magpul handguard.Phosphate provides better results than nitride and BCM is a better brand than toolcraft. So the answer is pretty easy.I was wondering if if the difference matters between gas block finishes (nitride vs phosphate). All the nitride finish Aero gas blocks are sold out and the last two parts I need for my 6.5 build is a tube and block. Just was curious if you guys had any advice on whether or not it matters for the gas block. Thanks! Black manganese phosphate conversion coatings are considered to be more durable than grey zinc phosphate coatings, but the difference is not great. The U.S. Army armory system popularized zinc and manganese phosphating of firearms between the World Wars. It was first used as a refinishing process and was quickly adopted for new …Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.Most notably, ultrathin, high-quality BP (~4 nm thick; 6-8 layers) sandwiched between hexagonal boron nitride (hBN) layers shows an impressive hole mobility of around 5,000 cm 2 V -1 s -1 at ...

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Solubility table. The table below provides information on the variation of solubility of different substances (mostly inorganic compounds) in water with temperature, at one atmosphere pressure. Units of solubility are given in grams per 100 millilitres of water (g/100 mL), unless shown otherwise. The substances are listed in alphabetical order.Chrome/NP3 > Phosphate >> DLC >>>> Nitride > TiN > NiB After that, just pick any reputable manufacturer. If I gave you whatever gauges you needed and 15 phosphate BCGs from 5 different reputable manufacturers, you'll never be able to find any kind of trend.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 barrels are iden...Conclusion. Nitride is a nitrogen compound in which nitrogen has a proper oxidation condition of −3. Nitrides are an enormous class of compounds with a wide scope of properties and applications. In chemistry, a phosphide is a compound containing the P3− particle or its same. Various phosphides have varying designs.This activity includes every compound formula and name that can be formed from the list 44 Ions provided in Chemistry A at Pickerington High School Central.Lake - Sulfates, Nitrates, Phosphates: Sulfate usually occurs as a principal ion in lake waters. Under anaerobic conditions in which bacteria persist in the oxidation of biological material, hydrogen sulfide is produced. When anoxic conditions exist in the deep waters just above the sediments, and the water is acidic enough to precipitate the iron present, hydrogen sulfide occurs.Quoted: Nitride is a harder and slicker finish than phosphate. Nitride will wear better, last longer, and have less friction than phosphate. There's a reason metal cutting tools (end mills, boring bar inserts, etc) have nitride coatings instead of phosphate. There is very minimal wear surface on a bolt carier. Covalently bonded carbon nitride (CN) has stimulated extensive attention as a metal-free semiconductor. However, because of the complexity of polymeric structures, the acquisition of critical ...nitride films and concluded that the silicon nitride films deposited via PECVD, unlike the other two deposition techniques, were more ... concentration of many different and dissociated phosphate and aqueous species8 and electrical conductivity is the result of a Stokesian, water diffusion-controlled, ion transport mechanism. ...Here are some key differences between the two types of batteries: Composition: LiFePO4 batteries use lithium iron phosphate as the cathode material, while lithium-ion batteries can use various cathode materials, such as cobalt oxide, manganese oxide, or nickel oxide. Energy density: Lithium-ion batteries have a higher energy density than ...Mg2+Cl−Cl− (4.3.2) (4.3.2) Mg 2 + Cl − Cl −. Now the positive and negative charges are balanced. We could write the chemical formula for this ionic compound as MgClCl MgClCl, but the convention is to use a numerical subscript when there is more than one ion of a given type— MgCl2 MgCl 2. ….

Re: nickel boron or black nitride BCG. Originally Posted by foxtrotx1. That would make sense. Phosphating is extremely porous. So the better it collects carbon, the better it holds on to lubricant. But something that doesn't hold carbon due to smoothness and has a nitride or NiB layer doesn't need as much lubricant. Hm.16 mar 2021 ... Black Nitride OR Phosphate finish (SELECT CHOICE BELOW); Made in the U.S.A.; Fits: AR-15. BR167-P 5.56 NATO 16" Inch Rifle Barrel 1:7 Twist ...The phosphate ones are about $20-25 more expensive than Nitride. I know both finishes are solid, but always thought Nitride was "better" Who has one of these from PSA and how has the finish held up? Which would you recommend? Posted: 12/21/2020 12:23:03 PM EDT [#1] nitride is gtg...it is a very durable finish and more precise than chrome lining.284K subscribers in the ar15 community. Welcome to r/AR15! Share you builds, ask relevant questions, play nice etc.CL barrels have a phosphate outer finish that SUCKS (scratches easily, is NOT corrosion resistant w/o constant oil wipes, etc). Nitride is cheaper AND better than CL in my book. I'm actually as happy with my Ptac nitride middy as I am with my FN CHF/CL middy, and that's saying a lot.Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.phosphate vs. nitride barrels: why coat? before we go into detail about phosphate coatings vs nitride on ar barrels, let’s take a look at why you’d even coat your barrel in the first place. leaving an ar barrel “in the white” or uncoated exposes the steel to the elements and to possible damage. a coating will protect the barrel and make ...Quoted: I have BCGs in all of them. I prefer, in order from favorite to least, NiB, chromed, Nitride, phosphate. I have never had a problem with any of them but find the NiB and chromed clean up so much easier and are visually easier to see if they are clean than the black nitride and phosphated BCG. The phosphated are harder to clean and seem ...Best AR-15 Bolt Carrier Groups (BCG) 1. Bravo Company Manufacturing (BCM) M16 BCG. Let’s just start with our editor’s pick for a branded mil-spec BCG. If you ask most people online what’s their go-to BCG…the vast majority is going to be BCM’s M16 BCG. BCM M16 BCG. Phosphate vs nitride, [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1]