9mm FMJ was 5. While A514, AR400 and AR500 are the most widely used Q&T steel plate grades, other Q&T plate grades are used for more specific applications, including the following. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. We are a Cleveland, OH based steel supplier with specialties in AR400, AR500, A514, Manganese Steel, Armor Plate, and other specialty steels. 내마모강은 균일한 경도 (hardness)를 유지하도록 처리되어 S45C 열처리 강판과 비교할 때. Add to Cart Add to Quote. 1-800-745-3962 [email protected]The durability of AR500 also means that the material needs to be replaced less often than materials that have lower resistance to abrasion, which can lower material costs and prevent devastating equipment failures. AR400F is quenched and tempered through hardened wear resistant grades of abrasion resistant steel plate used for high impact and abrasion resistance. A few minutes spent on the sander or grinder will pay good dividends in cutter life. AR400 Steel Plate AR400 Steel Plate – Hardness 360-444 Brinell. It can also deal with high impact stress regardless of the temperature. Leeco Steel stocks the following standard sizes, but other sizes may be available for special orders. Which is stronger AR400 vs AR500? AR500 has higher abrasion resistance, but AR400 has higher impact resistance. 25/pound. hardened surfaces, Ultima 601 becomes the ideal abrasion resistant product that can handle the rigors of extreme maintenance problems. User NameAR400 vs AR500 Guns & Ammo Discussion. Rogue AR500 Steel Reactive Popper Targets. Re: ar400 steel I ordered (locally) two cut pieces of AR500 24x30x1/2" with two 9/16" holes, small radius rounded corners. AR500 is slightly stronger (in terms of tensile strength) than 400, by about 20-25%. Differentiators include hardness levels, application uses, and cost. Learn more. However, this increase in strength and. What is AR500 Steel? Much like AR450 and AR400, AR500 steel is a specific type of abrasion resistant steel. Detailed specifications: Hardox 450 vs ar500 thickness: 8-100mm, width: 1600-4020mm, length: 6000-17500mm. T-1 steel, unlike AR400, is an alloy steel covered by ASTM A514 / A514M - 05 (2009) Standard Specification for High-Yield-Strength, Quenched and Tempered Alloy Steel Plate, Suitable for Welding. Specifications * Chemistry may vary depending on. I have both and from my experience the AR400 is much worse. Maintain preheat temperature during weld. AISI 8620 . Specialty Steel Company of America. 250″ thickness. AR400 steel has a variety of benefits that makes it an ideal substitute for almost any application where excessive wear is a problem and ease of fabrication is needed. How to choose the correct steel for your shooting needs. 9mm FMJ was 7. AR450 is not recommended for machining, but is formable. Tacticon Armament’s AR600 10×12 can weigh as little as 6. . 6% carbon), and High carbon steel (more than 0. A quenched & tempered, through-hardened, abrasion-resistant grade of true mill bar. (long range handguns) Will they get dented , swiss cheesed or otherwise. 3. 8 times greater wear than mild steel. SKU. 338 Lapua and 200-1300yds. The Brinell Hardness number differentiates the abrasion resistant steel grades. values of hardness are compiled and shown in Table 2. 1045 Steel Round Bars; 4150 Steel Bar;. Hardox® 400 sheet is available in widths up to 64. It remains a favorite in the industry for its fully adjustable cummerbund, comfortable padding. The end result will be a plate that ranges between 7/16″ and 9/16″ thick, hence 1/2″ nominal thickness. Connect Facebook Twitter Youtube LinkedInEH 450, AR450, AR500, NM 450. AR400F is quenched and tempered through hardened wear resistant grades of abrasion resistant steel plate used for high impact and abrasion resistance. Try and find one where the padding is higher up on the straps, or there’s less padding. However, this increase in strength and abrasion resistance will make the steel less malleable. AR450 steel is a high-carbon steel alloy that has a surface hardness between 400-477 BHN. Brinell Hardness Number (BHN). AR400, AR450 and AR500 plate are used in applications where abrasive materials such as grains, coal, ore, cement, gravel, light aggregate, and earth are being handled. The mfg of the plate y o have would be the best place to start. They also undergo ballistic testing to determine the velocity a weapon. The spall angle range for the AR400 vs. Hardox ® 450 has a solid reputation as a highly versatile, abrasion-resistant steel that also has structural properties. Ar400 is common, the 500 isn' as easy to find without a special order in my exsperience. AR500, or AR500F steel,. dam w/clay around each hole to be drilled to keep fluid in. With the mild steel targets, they end up looking like the lunar surface a lot more quickly than the AR500 steel. ASTM A830-1045; C1020; Alloy Quenched & Tempered (Q&T) Steel Plate. Each mill has slightly different alloys and heat treatments. BHN signifies the hardness level of the material: AR400:. So they said they would cut me a deal on the next. AR400 vs AR500 steel plates are two of the most popular abrasion resistant steel plates in the world. We also offer High Definition Plasma Cutting for custom shapes. It's a lot harder than regular plate. com and ask for the flow chart image, we'll send you a copy. AR550 and AR600 plates of the same size would be lighter due to their increased thickness and hardness. Now people are making spinning weapons like the type shown in the photo out of AR400 and AR500. Much like AR400 and AR500, AR550 steel is a specific type of abrasion resistant steel. 3. Amerikaanse standaard: ONS A128What is abrasion resistant steel plate?Abrasion resistant (AR) steel plate is a high-carbon alloy steel plate. or monthly payments as low as $19. Galion uses only premium ASTM certified AR450. 따라서 바위, 모래, 석탄, 광물의 적재시 주는 충격이나 미끄러지면서 가해지는. 079 - 0. At 200 yards you have nothing to worry about. In the same manner AR400 could be used as Ar500 Steels Equivalent as well. . They are for a quick attach bucket for a loader. First of all, MIL-A-46100 is a military grade, whereas AR500 is an Abrasion Resistant grade. Exact furnace controlled temperature is not required, a heat crayon should suffice. 21 50W: because it is a much weaker and softer steel, as that manufacturer's specifications explain: The 50W stands for a minimum yield strength of 50 ksi, which is several times lower than AR500 or even AR400. Context 2. Typically, AR400 is between 360-440 Brinell, while AR450 is around 429-495 Brinell, and AR500 between 460-544 Brinell. H. AR600 Abrasion Resistant Steel Plate for Excessive Wear. In fact, all of our targets that are intended for use with pistols only are cut from AR400 steel which is a slightly softer material, but a more economical option as well. 내마모강은 균일한 경도 (hardness)를 유지하도록 처리되어 S45C 열처리 강판과 비교할 때. T1 – VS AR 400 This is a common discussion that we have with customers because a lot of our competitors use Mild Steel and the better ones use T1. AR400 steel vs T1. For rifle use, 3/8″ AR500 is going to be the minimum recommended thickness due to the substantial increase in energy over pistol rounds. The . Hardox ® 600 for superior wear resistance. 321. The best steel targets for . ⓘ. AR400. I was at our local steel yard picking up material for a project and saw they have some nice half silhouette targets at a descent price (considering the high price of steel). Specialty Steel Company of America. Details. The number in the material name (e. Usually, abrasion-resistant steel is termed “AR450F” and “AR400F” (and at times “AR500F”). The hardness also increases the steel’s strength, with better dent resistance as a result. Ground penetration won't be that much of a problem, and you still have to protect the entire shin face of the shank. Originally posted by Sonora Iron View Post. The Drip Cap. I can quote them bodies constructed totally of 1/4" AR450 steel for 10-15% less. Industries and Applications. We offer Wear Resistance Steel Plate AR400, NM400 is a high-carbon alloy steel plate. A572-50. Preheat to 150°F-300°F (66°C-149°C) in order to slow the cooling rate. Hi guys, I am looking for a drill bit that will drill ar400 steel, I have been using the one pictured, it was in a bunch of tools that I bought in a auction, so do not know where it comes from, and nobody around here sells it. At 200 yards you have nothing to worry about. AR 500 Steel – What is the Difference? Abrasion Resistant (AR) steel contains carbon and alloys that make it harder than other types of steel. SLS 600 ® Induction Wear Pipe; CLIF-CLAD ® Overlay Pipe; G 2T ® Ceramic Lined Pipe; Steel Round Bars. Hardox® 450 combines good bendability and weldability with an option for guaranteed impact toughness (Hardox® 450 Tuf). 5 pounds. TOTALLY FLAT SURFACES Steel targets need to have a perfectly flat surface in order to be safe for shoot - ers and bystanders. 308 I have rocked it at 25 yards with . Its fully-adjustable cummerbund and shoulder straps are still versatile enough for large or medium body types, and there is still plenty of PALS webbing for attaching your MOLLE-compatible accessories. 3 HRC compared to RHA at 43. 75t (where t is the plate thickness) with the bend axis transverse to the rolling direction. Hardox ® 450 has a solid reputation as a highly versatile, abrasion-resistant steel that also has structural properties. MIL-A 46100 (latest rev. 2. A high-quality target is only one part of the equation: Using it properly is the other. AR400 is harder than AR200. on-premise software solutions, CAD file management, compliance, and more. 500 also has a higher hardness. The specifications available for HARDOX 500 vs ar500, pressure vessel plates are: thickness 8-700mm, width 1500-4200mm, length 4000-17000mm, and unit weight up to 30. AR500 steel is significantly harder than mild steel, with a hardness of 500 HBW compared to a hardness of only 120-180 HBW for mild steel. Menu. Abrasion resistant steel is created by quenching and tempering forged steel plates. Grades like A514 have greater tensile and yield strength due to their increased toughness and strength than non-heat treated alloys grades, such as ASTM A572 Grade 50, which can be seen in the chart below. Disclaimer: I haven't done AR500, just AR400. Since the beginning of this year, the global Hardox 450 vs ar500 steel pipe industry, like many other industries, is facing severe market situation. D. You can use 9mm. It just cuts through it. Any blade (teeth or abrasive, rotating or linear or bandsaw) is going to have a hard time (no pun intended) cutting through hard steel plate. Improved forming and weding capabilities. With a hardness range between 477 – 550 BHN, AR500 is known for its toughness and excellent wear resistance, along with exceptional fatigue and corrosion resistance. SLS 600 ® Induction Wear Pipe; CLIF-CLAD ® Overlay Pipe; G 2T ® Ceramic Lined Pipe; Steel Round Bars. Reactions: Stevo3556. – is too soft and can yield unpredictable results. When we buy the AR400 3/8 the steel company cuts the one edge with a torch and it's rough as a cob. This specific steel has good formability, weldability, and notch toughness when in the as-rolled condition. AR500 VS. As with other abrasion resistant steels, it does not have a defined chemistry, but rather, grade is determined based on. 2° to 7. 308 between 200-700 yards (maybe 100 yards on occasion). Targets will be 3/8 thick, 18" square at 500 yards and beyond. 308 at varying ranges (200-1000yds)? I know it's hardened, but will it stand up to hits? What thickness would be better - 3/8", 1/2. Reactive vs. AR500 has a BNH of 470-540 and MIL-A-46100 has a BNH of 362. Overview: Popular abrasion resistant steel grade that combines through-hardness with good levels of ductility and formability. ASTM A992 GR50 has now become the next generation de facto standard. What is ar500 steel? AR500 steel plate is chemically similar to AR400 steel plate, except the hardness range is higher and it has more carbon and manganese than AR400. 4. The maximumAR400 / 400F; AR450 / 450F; AR500 / 500F; AR600; Heavy Steel Plate. As a premier supplier of AR400, AR500, A514, Chromium Carbide Overlay, Manganese Steel, Armor Plate & More, we have a long history of providing innovative. What Do The Numbers Mean in AR400 vs AR500? With abrasion resistant steel you’ve probably noticed there is usually a number after the AR, such as AR200, AR400, AR450, AR500. AR500F exhibits an optimal combination of hardness, abrasion resistance, formability, and weldability. 1 B, dependent on the product required. I know how well AR 500 holds up but Needs to know how well AR 400 does. AR400, or AR400F steel, is a high-carbon. Certificates with a traceable lot number are available for these. The . For me, one sheet of . boron treatment. AR400 steel has a variety of benefits that makes it an ideal substitute for almost any application where excessive wear is a problem and ease of fabrication is needed. AR500: 460-544 BHN Typically. Up to . A quenched & tempered, through-hardened, abrasion-resistant grade of steel plate. For more information regarding the differences between AR400, AR450, and AR500, visit our AR450 page here. Look at mayflower, or Tactical Assault Gear or Shellback tactical for similar items. The difference is that novel coronavirus pneumonia is not only affected by the epidemic, but also closely linked to the oil and gas industry, and the. El AR400 tiene un límite elástico de 250 ksi en comparación con sólo 50 ksi en AISI 1045. They’re fairly similar, but the AR500 steel is harder than AR400 (as the designation indicates). For pistol use, there will be no noticeable difference between AR500 and AR550. Details. Another difference between AR500 and mild steel is their hardness. High Strength Steels. Place target so you do not always hit the backstop only in the same place. Specifically looking at 3/8” AR500 and 5/16” Mil-46100. Cost was around $230 with sales tax for both. Since it’s an extremely durable and long. See full list on econsteel. The figures below are representative of 15mm thick AR400 and AR500 plates. So back to the question, “Can I use m855 ammo on my AR500 targets”? The answer is of course you can use any ammo you wish on your ar500 targets. AR400-Mild Steel. 내마모강 (AR400,AR500) - 내마모강이란 (AR-Plate) 내마모강은 균일한 경도 (hardness)를 유지하도록 처리되어 S45C 열처리 강판 (지게발,포크레인버켓)과 비교할 때 최소 3배 ~ 10배의 내마모 수명을 보유한 특수강입니다. January 11, 2023 No Comments AR 400 Steel Vs. Call us at 800-321-8500 for a quote. AR200 VS AR400 vs AR450 vs AR500: AR steels are governed by a level of hardness, but not a specific chemistry. The highest deposition rate gas-shielded flux-cored wire is E70T-1. Details. AR400 + AR500 abrasion resistant plate, bar & strips. AR plate is a high carbon alloy plate. For example, a 1/2″ nominal plate is typically a 1/4″ overlay applied to a 1/4″ of base plate. User NameAR400 vs AR500 Guns & Ammo Discussion. 2″ -> 1. The nickel and molybdenum content gives AR400 carbon steel the ability to resist wear better than all other carbon steel. Hardness testing AR500 steel plate. AR400 vs AR500 Guns & Ammo Discussion. MIL-A 46100 (latest rev. Ultima™ 501 (AR500) Wear Plate; Ultima™ 601 (600 BHN I. A 3/8-inch plate weights around 10 pounds per square foot. AR400; AR450; AR500; Manganese Steel; AR250; A514; Chocky Bars; 4150 Steel Bar; Scrap & Recycling. Hardox ® 600 has a nominal hardness of 600 HBW and a uniquely high toughness for such a hard steel. Since so many attachments are built from mild steel, we will deal with it first. The spall angle range for the AR500 vs. 223. com 1215 E. All our AR400, AR450 and AR500 have additional alloying elements which increase formability and enhance weldability. AR400F has a minimum Brinnel hardness of 360. AR500 They have a steel range here that has ar400, fmj, Magnums, over . Rhino-Tuf® EZ (AR400) Wear Plate; Rhino-Tuf® EZ (AR400) Wear Bars; Redi-Rail® (Formerly Kromite® CD60) Custom Wear Rail; Ultima™ 501 (AR500) Wear Plate; Ultima™ 601 (600 BHN I. 308 is not allowed cause supposedly it will go through, where as 500 it won't. AR400 is difficult to form and attempting to form commodity AR500 or higher is impractical. 9mm FMJ was 7. 우리는 당신이 선택한 대량 핫 판매 제품을 재고 있습니다. We rate all of our 3/8″ targets for rifles such as 5. Whereas 400 can be between 360 and 440 Brinell, 500 is between 477 and 550. For instance, if you need high hardness that is deeper and more uniform, you could add Nickel to the 4140. ar500 can resist a higher level of impact and wear without turning into broken. We use only American made AR500 steel, and specify a BHN (Brinell test for hardness) of 500 or more. 25 0. But I guess that's comparing apples to oranges. Chromium carbide overlay plate begins with a mild steel base. Yes it can be done, drill your hole as large as the customer will allow, buy a good tap (OSG, Emuge, Guhring, Nachi), use a good tap lube (Moly-Dee ), and go sloooooUse a cut tap and not a form tap, because AR has a super high tensile strength. T1 Steel vs AR500. Yellow Zinc Plating : All of our products ship with strong Yellow Zinc Plating (The Gold Standard). Phone: 800. AR235/400/500 are all abrasion resistant steels, thus the AR in the name. May also see some use with 9mm and 45acp at 25+ yards. Alloy Steels. Domestic Steel: What Are The Differences And How Does It Impact Sourcing?Jun 12, 2018. We provide the Industry's Best Abrasion & Impact Resistant Steel. Projects that require AR materials are typically those that need a specific balance between hardness. Read more about AR400 vs AR500 here. Hardox® 450 combines good bendability and weldability with an option for guaranteed impact toughness (Hardox®. AR 500 Steel – What is the Difference? Abrasion Resistant (AR) steel contains carbon and alloys that make it harder than other types of steel. Apples and oranges comparison, but it still makes a difference. Ease of processing compared to conventional 500 BHN. 1 inch shank Drill4140 is a great basic chemistry that is easily modified at the steel mill by use of additional elements to achieve additional, and/or, specific properties for specific industries or jobs. This is some strong mild steel or shitty ar500Dec 14, 2022. Nominal brinell hardness ratings for your typical targets steels are as follows: Mild Steel (A36) - 135 T1/A514 - 235 AR400 - 400 AR500 - 500While their heat treatment process is not regulated, AR400 and AR500 are typically quenched and tempered. D. Level III (Rifle Rated Steel) Body ArmorOur steel alloy AR500 Armor® Heritage Plate offers the most protection for your buck, and covers the most common threats one could encounter, including nearly all Military & NATO calibers up to the threat level below:. Hi, I'm bending a plate of AR400 (20 x4 x3/4 ) 90°, then when the part is in use there is a force on the in the. Show specs in Imperial Metric. Abrasion Resistant steel is one of our most popular products at IBC Metal Group. AR400 vs AR500 Guns & Ammo Discussion : Alberta Outdoorsmen Forum > Main Category > Guns & Ammo Discussion: AR400 vs AR500 User Name: Remember Me?. The A36 was a standard established first by the ASTM International. Not all AR500 is the same, even if it has the same hardness. Calibers will be 6mm thru 7mm with muzzle velocities not much more that 2800fps. You can find hardness levels for AR400, AR450, and AR500 on their respective pages. 5°. 18250 Miles Avenue. D. AR500 Steel Plate. User NameAR400 vs AR500 Guns & Ammo Discussion. AR400 VS AR450 VS AR500 he technical difference between AR400, AR450 and AR500 is the Brinell Hardness Number (BHN), which indicates the material’s level of hardness: AR plate product numbers range from 200 to 500 and typically indicate the hardness of the material: AR200, AR400, or AR500 are examples. The use of AR400 is in high wear resistance and is perfect for mining machinery and heavy-duty machinery. The spall angle range for the AR400 vs. It won. Edited December 9, 2016 by Charlie. The most popular steel for shooting targets is 3/8″ thick AR500 steel plates. Other AR steels are AR200, AR400 and AR500. To be classified as AR500, the hardness needs to clock in between 477 BHN and 550 BHN. boron treatment. $427. A633 is high-strength low alloy structural steel. Which is stronger AR400 vs AR500?AR400 isn't bad to cut with carbide, but the burning operation leaves the edge very hard and abrasive. Spinners, speed racks, gongs. and 250 BHN O. Abrasion-resistant (AR) steel plate is a high-carbon alloy steel plate, which signifies that AR is formable and weather-resistant due to the added alloys, and harder due to the addition of carbon. A285 is a carbon steel intended for. sharpshooter. However, this increase in strength and abrasion resistance will make the steel less malleable. My last sentence is 100% of my knowledge of the physics, but anecdotally (I shoot A LOT) I can tell you that AR500 targets are MUCH more durable than AR400 of the same thickness. It is currently Thu Jul 27, 2023 12:57 am: Board index » Community Discussion Area » General Firearm Discussion. There are different types of steel, for example, AR400 OR AR500, that are produced to a specific hardness. But they differ as each steel has unique properties that make it a better fit for specific applications. Ultima 601 is designed to extend service life where abrasive materials (i. With 4-5 different options, how do you know which option is best suited for your project? The easiest way is to talk to a IBC representative, but another option is. This alloy wear plate offers excellent service for applications where formability, toughness, weldability and abrasion resistance are required. AR400 | AR400F Steel Plate. I have some experience with welding AR400. It is a high-carbon steel alloy that provides greater impact and sliding abrasion resistance by comparison. 1/2” thick is the way to go for rifle targets for sure. The Benefits of AR Steel? Jindalai Steel supplies AR steel plate in large and small volumes to designers and plant operators looking to extend the service life of critical components and reduce the weight of each unit put into service. Elite Quality - Genuine made in USA certified AR500 steel is bead blasted on both sides then laser cut on the fastest 30kw fiber laser available for crisp clean cuts and minimal heat affected zone Durable Zinc - Unlike typical paint or powder coat our industry exclusive zinc plating is a strong chemical bond that won't chip off from bullet. 화학 성분 상담 및 무료 샘플을 원하시면 저희 공장에 문의하십시오. Reduce plate thickness up to 25% vs AR 500 (ie. The greatest differentiator between AR450, AR400, and AR500 is the hardness that each achieves. User NameAR400 vs AR500 Guns & Ammo Discussion. On the other hand, AR450 is a type of wear-resistant steel that has a high carbon content. When hitting, reactive AR500 steel targets will clang, spin, tumble or turn. ) Wear Pipe; Rhino-Klad™ Clad Plate – Chromium Carbide Overlay; Workwear™ 14 (11-14% Manganese) Wear Plate & Wear Bar;Drilling and Taping AR 400. Choosing Which AR400 or AR500 Steel Target is Right for You. 158K subscribers in the longrange community. Choosing Which AR400 or AR500 Steel Target is Right for You. Minuteman. Phone: 800. The AR steel grades include: AR200, AR235, AR Medium, AR400/400F, AR450/450F, AR500/500F, and AR600. 22lr dualing tree, they are all made of AR500 steel. ) Hot Roll; Kromite® CD (4140 mod) Cold Drawn;In this case, Ar500 is preferable in the competition of Ar500 Plate vs. The “AR” in AR500 steel actually stands for Abrasion Resistant, while the number, in this case 500, indicates the Brinell Hardness Number (BHN) which falls within 460-544 for most AR500 steel. In construction and fabrication, the grade and composition of the steel plate materials used make a huge impact on the final product. Ar500 prices, you will notice that Ar500 is usually higher. At 50ksi, a higher strength steel than A36. I’ve shot at it with steel core at closer ranges than this and it definitely does not do this. The typical Brinell Hardness range is 470-530. The Brinell Hardness Number (BHN) is the technical difference between AR400, AR450, and AR500. It is designed to be inserted in a plate carrier or tactical vest and will stop bullets and other projectiles from penetrating the wearer's body. We use T1 minimum and a lot of our attachments are made from AR400 or are AR 400 tipped. User NameAR400 vs AR500 Guns & Ammo Discussion. D. 56 are made of AR550 steel and 3/8″ or 1/2″ thick. Hammer Pins & Tie Bolts; Manganese Separator Drums; Shredder Wear Parts; Wear Pipe. Shape: Thickness: Width: Length: Resulting Weight: Calculated theoretical weights are for estimation purposes only. In military hat sizes, this appears to translate into a medium, or just under size 7-¼. 143 Street East Chicago, IN 46312 Warehouse 1250 E. The AR235 plates are intended for moderate wear applications where it offers improved wear resistance relative to structural carbon steel. More Info. I like Hardox brand for forming reasons. One of two abrasion-resistant grade steels offered here at SendCutSend, AR400 steel is formulated to take a massive amount of punishment and abuse. A36 . Another key differentiator is applications. Also, while Ar500 has high abrasion resistance, Ar400 possesses more impact resistance. Say hello to 40 mm thick hard AR 400 plate. SLS 600 ® Induction Wear Pipe; CLIF-CLAD ® Overlay Pipe; G 2T ® Ceramic Lined Pipe; Steel Round Bars. Referring to the hardness properties, AR500 recorded the highest hardness at 47. AR400 Flat Bars. AR500 | AR500F Steel Plate. Moderate pressure, no real problem other than a resharpening exercise on bits afterwards. Haven't been able to shoot it yet. AR400 VS AR450 VS AR500 he technical difference between AR400, AR450 and AR500 is the Brinell Hardness Number (BHN), which indicates the material’s level of hardness:AR plate product numbers range from 200 to 500 and typically indicate the hardness of the material: AR200, AR400, or AR500 are examples. e. The application will determine whether you want an AR400 or AR500 wear-resistant steel plate. I bought a couple AR400 targets from the local metal supplier, 1/4" IIRC, bent the hell out of them with 300WM @ 525 yards. Testudo-Gen-2-Plate-Carrier. I tested 1/2 AR400 vs a 300 ultra with 150's and 180's at 100 yds. While the higher Although it has a lesser Brinell hardness value, AR400 will be more formable. In that time, we have become a well-respected and reliable source for your high strength alloys; such as 4140 CF, 4150 HT, and 4150 HT TGP. On average, a 10×12-inch AR500 steel plate weighs about 8-10 pounds. The main differences are hardness and strength, achieved through varying levels of carbon and manganese. AR400, AR450, AR500등급으로 구분합니다. While all three types of abrasion resistance steel offer great hardness, they vary in. The strength of AR450 steel can improve weight savings over 50K much like 100K material because a thinner material can be used without sacrificing strength. Unfortunately there is no uniform specification for AR500 material other than hardness and the chemistry and Heat Treatment will vary from mill to. AR400 STEEL is a high hardness, high strength quenched and tempered chrome-moly, boron treated alloy plate with good resistance to atmospheric corrosion and impact abrasion. 2100-4000ft-lbs = ½” AR500.