ar400 vs ar500. The 1/2-13 holes will be for securing the pins. ar400 vs ar500

 
 The 1/2-13 holes will be for securing the pinsar400 vs ar500  Details

AR400. AR400F is produced through austentizing, water quenching, and tempering. Directions. . A preheat and interpass temperature of 250°F to 350°F is generally sufficient, (350°F to 450°F for 500BHN Plate). The AR235 plates are intended for moderate wear applications where it offers improved wear resistance relative to structural carbon steel. Physical Properties. AR400 | AR400F Steel Plate. Testudo™ Gen 2 Build Your Own Bundle. 00. 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. AR500 Steel vs Titanium. Details. User NameAR400 vs AR500 Guns & Ammo Discussion. For AR 500 it is $1. AR400 | AR400F Steel Plate. AR 500 Steel – What is the Difference? Abrasion Resistant (AR) steel contains carbon and alloys that make it harder than other types of steel. Certified to ISO 9001:2015, Steel Warehouse delivers high-quality, in-house. Kromite® #3 (4140/4150 mod. SLS 600 ® Induction Wear Pipe; CLIF-CLAD ® Overlay Pipe; G 2T ® Ceramic Lined Pipe; Steel Round Bars. Details. While AR400 offers a good balance of hardness and toughness, AR500 provides enhanced hardness and penetration resistance. If you have to choose between A36 Plate and Ar500 Plate for shooting targets, A36 Plate is sufficient for smaller and low-powered bullets like 9mm from a typical handgun. Community funds…Reskinned some areas wit AR400. AR400 á AR450 AR500The main advantage of AR400 steel is its superior durability—it can withstand much more wear than ordinary mild steel and is more resistant to corrosion. 8500. They possess unique properties that make them suitable for a. Clifton Steel is the leading supplier of AR400, AR500, A514, Manganese Steel, and Armor Plate. Our cost for AR500 is about 40% higher than AR400. The AR235 plates are intended for moderate wear applications where it offers improved wear resistance relative to structural carbon steel. AR500 can resist wear and abrasion, both improving equipment’s longevity and increasing production time. Picked up a pack of AR500 3/8" thick targets from Field & Cave and what a difference! No dents, just splash; same distance. In military hat sizes, this appears to translate into a medium, or just under size 7-¼. We use only American made AR500 steel, and specify a BHN (Brinell test for hardness) of 500 or more. The spall angle range for the AR500 vs. More detailed information on dimensions is provided in. AR250 steel plates are made for improved formability with low levels of carbon and sulphur for inclusion shape control. 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. AR500 steel plate is a high-carbon steel alloy and has a surface hardness of 477-534 Brinell Hardness. 16:14. I have also used ar500 on a number of heavy equipment repairs and it is real hard. 내마모강은 균일한 경도 (hardness)를 유지하도록 처리되어 S45C 열처리 강판과 비교할 때. Rogue AR500 Steel Reactive Popper Targets. If your activities call for high wear resistance levels, you should choose AR400 steel. For AR500 steel plate, the nominal harness is 500, and its range is 460 to 544. AR500 steel can withstand the abrasion that the rocks cause by sliding better than the AR400 steel, meaning it would last longer. 16 per LB) delivered to my shop. AR450: 430-480 BHN Typically. I had a friend who owns a plate steel co cut up some salvage AR400 3/8" and 1/2", looked brand new just left over from a job, into about 20 different targets. AR550 and AR600 plates of the same size would be lighter due to their increased thickness and hardness. AR400 steel is sometimes used for low velocity rimfire ammunition, and AR550 steel is recommended for high powered rifle ammunition. Improved forming and weding capabilities. This article aims to provide a comprehensive understanding of Grain Oriented Electrical Steel VS Non-Grain Oriented Electrical Steel, highlighting their definitions and elucidating. Both are alloys with excessive strength and wear resistance. 18250 Miles Avenue. AR450 vs. 223 and . AR500, on the other hand, is designed for impact and fatigue resistance, wear, corrosion, and abrasion resistance, and the like. 338 Lapua 200gr SP 3,330 fps 4,967 ft/lbs Re: AR400 compaired to Hardox 400. For that condition, AR500's higher hardness makes a huge difference. 내마모강 (AR400,AR500) 2018. . Unfortunately there is no uniform specification for AR500 material other than hardness and the chemistry and Heat Treatment will vary from mill to. 내마모강은 강재 고유의 내마모성을 나타내는 브리넬 경도 (HB)수치에 따라. 35 votes, 10 comments. A514 steel is available in a variety of chemistries: B, E, F, H, Q, and S. With the current market upheaval driving prices. Foreign vs. Previous: ASTM A283 Carbon Steel Plate;I drilled some 1/2" AR400 plates for a teletram truck. 12"x20" torso from X-Steel targets. Menu. 2° to 7. e. Cost was around $230 with sales tax for both. BHN signifies the hardness level of the material: AR400:. In these terms, the AR500 is better than the T1. Feb 28, 2019. MIL-A 46100 (latest rev. This has a surface hardness of 477-534 BHN. In comparison to other military grades, MIL-12560 absorbs shock extremely well. 4140 steel welding, 4140 steel machining, 4150 steel properties, 316 stainless properties, ar400 properties, ar500 properties. Minuteman. ASTM A516/ ASME SA516; ASTM A537/ ASME SA537; ASTM A283/ ASME SA283; ASTM A285/ ASME SA285; Armor & Ballistic. The modular design keeps the system. AR400 F Steel Plate is formable grade of Abrasive Resistance Steel Plate designed to accommodate applications where a life of wear is the primary cause for failure among other grades of steel plate. Cost Comparison. AR400 and AR500 are two popular grades of abrasion-resistant (AR) steel, differentiated by a characteristic called impact resistance. The base steel around the weld rapidly heats and cools during welding, resulting in a heat affected zone (HAZ) with high hardness. At 200 yards you have nothing to worry about. However, this increase in strength and. 143 Street East Chicago, IN 46312 Warehouse 1250 E. 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. The steel used for shooting targets is usually made of AR500 or AR550 steel. User NameFirearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. Similar Threads: Help! Drilling small 0. Superior protection. It won. 321. 1-800-745-3962 1-800-745-3962 [email protected] ShippingAR400 & AR450 have excellent weldability that customers rave about and can be welded with simple procedures and common consumables such as E7018 inclusion shape control. ABS Grade A, B, AH36, DH36, EH36; API 2H Grade 50;. Details. Ar400 Vs Ar500 . AR400 vs AR500 Guns & Ammo Discussion. A633 is high-strength low alloy structural steel. 3/4″ to 4″ Widths. 75″ can be cold bent to minimum inside bend radius of 1. It does seem to weld better. Some 3/8″ thick AR500 steel targets are rated for . However, they differ in terms of hardness. 8500. Call or Email Us For a Free Quote. At 24 inches by 24 inches the weight goes up to 61 pounds. Intended for moderate wear applications, common uses include contact. For. Here's the breakdown. 9300. AR500? Regarding heavy-duty equipment and machinery, working with the right materials is important for the project. – is too soft and can yield unpredictable results. I bury my work. This specialized plate is designed for severe impact and abrasion applications. BHN signifies the hardness level of the material: AR400: 360-440 BHN Typically. Here’s a general comparison. Here's the breakdown. This AR400 and AR500 armor has caused S7 tool steel spinning weapons to crack and shatter. However, this comes at a cost—AR400 steel tends to be much more expensive than mild steel. The AR400 are premium abrasion resistant steel plates that are heat-treated and exhibit through-hardening. High Caliber AR500 Animal Silhouette Targets. User NameAR400 vs AR500 Guns & Ammo Discussion. Hammer Pins & Tie Bolts; Manganese Separator Drums; Shredder Wear Parts; Wear Pipe. 5. 6% carbon). Most of the time, AR550 is recommended for dynamic rifle targets, or any bullet that carries more than 2100ft-lbs of energy as a ½” or ⅝’ piece of AR500 is going to be extremely heavy and unwieldy. AR500 is a hardened steel that is commonly used for targets, armored applications, truck plows and in mining. Great for shooters looking for a deal on handgun targets and rimfire targets. This alloy wear plate offers excellent service for applications where formability, toughness, weldability and abrasion resistance are required. It is a high-carbon steel alloy that provides greater impact and sliding abrasion resistance by comparison. AR450 is not recommended for machining, but is formable. Anyone that wants to watch some physics in action should look at the BB 2020 fights on Youtube or Discovery+. 00/pound. Cost effective and available in a wide. It's not something you w. AR400 vs AR500: Understanding the Difference. I know that welding the 400 with a mig does no good, not enough penetration. Chemical composition of hardox 450 vs ar500 equivalent AISI. 화학 성분 상담 및 무료 샘플을 원하시면 저희 공장에 문의하십시오. Re: AR500 vs AR400 Steel?? AR400 = Holes at less than 300 yards. I have had at least 6 temporary loss of connection events with the AR400 (3 of which have ended in crashes) and none with the AR610. Due to the large difference in yield strength between the AR400 plate and the filler material, minimizing weld restraint is critical to control cracking of weld. and I'll go out on a limb here and assume AR400 and 500 are similar. What is the difference between AR400 and AR500 steel? The Brinell Hardness number differentiates the abrasion resistant steel grades. D. 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. 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. I guess depends on what he means as "better". These Q&T plates are generally used for abrasion & wear resistance. 9300. SA-36 steel production process: the steel is killed steel. AR500 | AR500F Steel Plate. Ar400 is common, the 500 isn' as easy to find without a special order in my exsperience. Chromium carbide overlay plate begins with a mild steel base. However, this increase in strength and abrasion resistance will make the steel less malleable. AR450 VS. The hardness number is based on the Brinell scale. 내마모강은 균일한 경도 (hardness)를 유지하도록 처리되어 S45C 열처리 강판과 비교할 때 최소 3배 ~ 10배의 내마모 수명을 보유한 특수강입니다. Steel Weight Calculator used to estimate the weight of steel in squares, rectangles, flats, rounds & hexagons. 3. Abrasion-resistant steel can last up to 4 times longer than mild steel. The hardness also increases the steel’s strength, with better dent resistance as a result. There is also AR500, but its more work to weld. Ar400 is common, the 500 isn' as easy to find without a special order in my exsperience. A bunch of 1-1/8" holes. The greatest differentiator between AR450, AR400, and AR500 is the hardness that each achieves. * Glancing impact shots – handgun rounds. 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. 92”. AR600 Abrasion Resistant Steel Plate for Excessive Wear. . AR 500 Steel Plates: Heat Treated for Higher Hardness Rating. The material that is like AR500 but not as brittle is called ENDURA and is about 15% more that AR500. But I guess that's comparing apples to oranges. AR500 They have a steel range here that has ar400, fmj, Magnums, over . Both 8" AR400. A633 Steel Plate. In the same manner AR400 could be used as Ar500 Steels Equivalent as well. AR400 vs AR500 Guns & Ammo Discussion : Alberta Outdoorsmen Forum > Main Category > Guns & Ammo Discussion: AR400 vs AR500 User Name: Remember Me?. Abrasion-resistant steel plate is a standard metal plate that possesses a tougher, harder high quality that lasts about four times longer when in comparison with a typical excessive-power. The typical Brinell Hardness range is 470-530. 308 I have rocked it at 25 yards with . 4140 steel properties. 250″ thickness. AR500 VS. Grade. Hardox® 450 is an abrasion-resistant brand with a hardness of 450 bhn. Available flaw detection requirements: Z15-Z35 thickness direction performance. I called the sales office, and they weren't suprised (probably happened before). 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. Abrasion resistant steel is created by quenching and tempering forged steel plates. 1/8″ to 1″ Thicknesses. This includes differ blades and buckets, heavy machinery, and mining. Staal lassen platen voor beton, slijtage plaat voor emmer, domex 400 slijtvast stalen plaat, ar500 stalen plaat, hardox 450. 54 with. Shooting a piece of AR400 Steel with 150 grain 308 from my Norinco 305 a m14 cloneAgain, the thicker the target, the more it will resist bending. Which is stronger AR400 vs AR500? AR500 has higher abrasion resistance, but AR400 has higher impact resistance. Hardox® 400 is available as plate in thicknesses of 0. Abrasion resistant steel is created by quenching and tempering forged steel plates. AR400. AR400 plate is resistant to corrosion from atmospheric conditions and protects well against impact abrasion. Specifically looking at 3/8” AR500 and 5/16” Mil-46100. . 25 0. Re: AR500, what thickness needed for a . The highest deposition rate gas-shielded flux-cored wire is E70T-1. This combination of size, maneuverability and energy on target make the AR500 Pistol easily accessible and ready to handle almost any situation. AR400 vs AR500 Guns & Ammo Discussion. Menu. 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. To be classified as AR500, the hardness needs to clock in between 477 BHN and 550 BHN. AR450 steel is a high-carbon steel alloy that has a surface hardness between 400-477 BHN. 9mm FMJ was 7. AR450 and AR500 are similar to AR400, the difference being a higher Brinell hardness value. Ar400 Vs Ar500. The results of these impacts are. ar400 ar500 내 마모 강판 내마모성 강판은 중국의 주요 제조 업체 및 공급 업체 중 하나 인 GNEE에서 찾으십시오. ASTM A830-1045; C1020; Alloy Quenched & Tempered (Q&T) Steel Plate. 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. You could try to drill a hole in one and see how it goes, or if you really want to know, You could check it with a brinell hardness tester. Based on testing with the various pad configurations, we’ve determined the Militia in its current configuration will fit up to 22-½” circumference. AR500, or AR500F steel,. May also see some use with 9mm and 45acp at 25+ yards. 5°. 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. AR500 | AR500F Steel Plate. Because the ar500 is a higher-grade steel, its miles generally extra expensive than the. AR400 is a high-carbon alloy steel commonly used in mining, forestry, and construction. Note that excessive preheat may anneal the base material. However, remember that the. The typical Brinell Hardness range is 360-444 BHN. ) are all quenched and tempered but through a higher alloy content, the plate can achieve a much higher hardness and strength. Además de los beneficios de resistencia a la abrasión, el AR400 ha aumentado la resistencia al. 우리는 당신이 선택한 대량 핫 판매 제품을 재고 있습니다. Preheat to 150°F-300°F (66°C-149°C) in order to slow the cooling rate. I'm actually wondering if I can use a carbide roto-broach but I'm not sure it will. 308 Win, along with most other common short action rifle calibers. However, this increase in strength and abrasion resistance will make the steel less malleable. Hold a magnet up to an LS Industries blast cabinet. It is tempered and designed to be abrasion resistant, which makes it ideal for high wear applications. Before being certified, MIL-12560 must meet Fragment Simulated Projectile standards, and is available in four classes: Class 1: Resists penetration. 내마모강은 균일한 경도 (hardness)를 유지하도록 처리되어 S45C 열처리 강판과 비교할 때 최소 3배 ~ 10배의 내마모 수명을 보유한 특수강입니다. AISI 8620 . This specialized plate is designed for severe impact and abrasion applications. AR500 Steel works for both handguns and rifles; Lower grades of steel can be. That’s an increase in hardness of 30%. Clifton Steel Knowledge Center - Your source for today's most accurate information on AR Steel, Manganese Steel, Armor Plate, AR400, AR500, A514 & more! 1-800-745-3962 [email protected] ShippingThe spall angle range for the AR400 vs. It just cuts through it. January 11, 2023 No Comments AR 400 Steel Vs. All I had for my mill at the time was a 1/2" chuck. The Brinell Hardness Number (BHN) is the technical difference between AR400, AR450, and AR500. glass, coke, coal, wood chips, bottom ash, rice, and stone) can cause premature wear. AR400 has a tensile strength of 135,000 psi, while AR450 has a tensile strength of 170,000 psi. 따라서 바위, 모래, 석탄, 광물의 적재시 주는 충격이나 미끄러지면서 가해지는. and aside from my dedicated . AR450: 430-480 BHN This material is slightly harder than AR400 and is also a popular material to make grinder screens. #8. 3/4″ to 4″ Widths. AR400, AR450, AR500등급으로 구분합니다. 223 leaves very tiny peening marks. AR400 steel vs T1. SKU. AR500 Steel works for both handguns and rifles; Lower grades of steel can be dangerous and do not last as long; AR500 Steel is Heat Treated to a higher hardness of about 500 BHN; Other mild steel is not heat treated Well, on the Brinell scale – which measures the hardness of steel, with the higher the number meaning the harder it is – mild carbon (130-160BHN) and stainless steel (160-200BHN) are relatively similar. 321. At 200 yards you have nothing to worry about. The tensile strength of A514 alloy steel is specified as at least 100 ksi (689 MPa) up to a 2. The mfg of the plate y o have would be the best place to start. The . the 400 in AR400) usually refers to the material hardness based on the Brinell Hardness scale. AR500. 22LR Pistol 40gr HP 1,060 fps 117 ft/lbs 9mm Luger 124gr FMJ 1,293 fps 460 ft/lbs 5. What is AR500 Steel? Much like AR450 and AR400, AR500 steel is a specific type of abrasion resistant steel. 308 hand loads at 100 yards easily. 27 0. (Plus cutting charge) What has been the experience with these two choices? This is for pistol targets 20 inches by 20 inches or 42. Galion uses only premium ASTM certified AR450. Tensalloy™ AR400 Steel Plate is an Abrasion Resistant Steel Plate that offers outstanding wear and impact resistance. General Info About AR450 / AR450F. Steel plasma cutting, steel welding, steel drilling, steel forming, steel shape cutting, steel counter-sinking, steel shearing. Another key differentiator is applications. Very tough to drill a hole in it. This grade steel is a high-strength, low alloy steel plate. Winco-Tuf 40 is for use in areas where AR400/AR500 are currently used. Frank called your office in the afternoon & asked the impossible- get 3,000 lbs of steel here that afternoon. Shooting would largely be . Your people managed to get the material here. These elemental differences help the steel achieve a higher surface hardness. 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. It will often crack if you try to bend it at all. User NameAR400 vs AR500 Guns & Ammo Discussion. values of hardness are compiled and shown in Table 2. 25/pound. For over 50 years, customers in multiple industries have all relied on Clifton Steel products for the durability. Hardox 450 is an abrasion-resistant steel with high amounts of chromium, molybdenum, and nickel. AR400 vs AR500 steels are both excellent choices for applications demanding resistance to abrasion and wear. What is hardox 450? Hardox® 450 is an abrasion-resistant steel with a nominal hardness of 450 HBW. User NameAR400 vs AR500 Guns & Ammo Discussion. For over 50 years, customers in multiple industries have all relied on Clifton Steel products for the durability. They have shown preference for 304SS construction w/AR400 floor. In the case of AR400, the plate’s hardness would equal about 42 Rockwell C (HRC) or approximately 400 on the Brinell Hardness scale, while AR500’s hardness would be around 50 HRC or roughly. AR500 targets are made to be durable, highly visible and ring loud when you hit them. . 2713 posts · Joined 1999. 223 leaves very tiny peening marks. View in full-text. I’ve shot at it with steel core at closer ranges than this and it definitely does not do this. It also includes a steel's tension strength and yield strength. AR500 actually has pretty good customer service, though shipping takes some time. AR500 will take hits at close range from . When I got them, one was marked AR400. An ultra-high strength structural-quality steel plate grade commonly used in semi-truck trailers and forestry and mining equipment. [1] Quenching & Tempering Abrasion resistant steel. 2. Ultima™ 501 (AR500) Wear Plate; Ultima™ 601 (600 BHN I. Well, on the Brinell scale – which measures the hardness of steel, with the higher the number meaning the harder it is – mild carbon (130-160BHN) and stainless steel (160-200BHN) are relatively similar. I’m sure if I bought more (or larger) sheets I could save on the delivery charges and pull the price per LB down somewhat. The application will determine whether you want an AR400 or AR500 wear-resistant steel plate. AR400 VS AR450 VS AR500. You can find hardness levels for AR400, AR450, and AR500 on their respective pages. AR400; AR450; AR500; Manganese Steel; AR250; A514; Chocky Bars; 4150 Steel Bar; Scrap & Recycling. Note that excessive preheat may anneal the base material. Uses for this plate include material handling. BTDT. Specifically looking at 3/8” AR500 and 5/16” Mil-46100. AR450. We also offer High Definition Plasma Cutting for custom shapes. In three (3) out of six (6) shots [3 center shots,. Often used in construction and mining applications, it can also be found in a variety of other industries. It features a tensile strength of 225 ksi, yield strength of 200 ksi, and an elongation property of 12 percent. Disclaimer: I haven't done AR500, just AR400. AR450 is an abrasion resistant plate used in a variety of. Our AR500 steel is bead blasted front and back prior to laser cutting to remove mill scale. 내마모강은 강재 고유의 내마모성을 나타내는 브리넬 경도 (HB)수치에 따라. ) Wear Pipe; Rhino-Klad™ Clad Plate – Chromium Carbide Overlay; Workwear™ 14 (11-14% Manganese) Wear Plate & Wear Bar;The AR500 Armor Testudo Gen 2 plate carrier is my first plate carrier which I loaded up with some Level III+ multi-curve steel plates, trauma pads, a universal holster, and mag pouches. They will take a beating for years!AR400 steel is known for its exceptional mechanical properties, particularly its high tensile strength and hardness. AR steel tends to come in between 235-550BHN. Independently tested and rated to NIJ 0101. 5″) Ability to “Work Harden” from 470 BHN to 560 BHN. AR400 vs. I believe you can use 3/8 AR500 OK at 45 degrees. . I have both and from my experience the AR400 is much worse. In three (3) out of six (6) shots [3 center shots, 3 glancing] with 9mm FMJ ammunition against the cylindrical samples there was no spall in front of the samples. AR500, or AR500F steel, is a high-carbon. 308 and . Tensalloy™ AR500 steel is a grade of abrasion resistant steel plate that offers outstanding wear and impact resistance. AR400 + AR500 abrasion resistant plate, bar & strips. Got it on sale for $130 shipped. Foreign vs. Aplicaciones. AR400 steel is also highly abrasion-resistant, making it ideal for applications. Action Target only uses AR500 or AR550 steel be-cause they provide the perfect balance of toughness and strength for shooting. Rhino-Tuf EZ is an abrasion resistant, “thru-hardened”, AR400 wear plate. The figures below are representative of 15mm thick AR400 and AR500 plates. As typical of my “first impressions” reviews, I’ll provide my honest opinion of the gear as well as my decision making process. We would like to show you a description here but the site won’t allow us. Therefore, AR400 will have a lower hardness than AR500 / AR500F. The number in the material name (e. Full Member. AR450: 430-480 BHN This material is slightly harder than AR400 and is also a popular material to make grinder screens. AR400 steel plates are suitable for applications that requires a good level of abrasion resistance (i. I have even flown the same plane on both of the receivers at the same field with the AR400 losing connection at one point but the AR610. 22 up to . 25 Dia. However, this comes at a cost—AR400 steel tends to be much more expensive than mild steel. Abrasion Resisting Plate (AR, AR-400, AR-500) AR400 was designed for exceptional durability where abrasion was the primary cause of material failure. Abrasion resistance for the AR500 steel plates is. Specifications * Chemistry may vary depending on. Each mill has slightly different alloys and heat treatments. It has a lower hardness of 360 – 444 BHN. Specifications Specifications AR400 / 400F AR450 / 450F AR450 /. ⓘ. Common Uses. Additionally, we stock Threaded Rod, 316 Stainless Steel, Duplex Stainless Steel,. For rifle use, 3/8″ AR500 is going to be the minimum recommended thickness due to the substantial increase in energy over pistol rounds. AR500 steel can withstand the abrasion that the rocks cause by sliding better than the AR400 steel, meaning it would last longer. This is a high-carbon alloy steel that is perfect for rugged applications that require high wear resistance. ¼" AR500 ⅜" AR500 ⅜" AR550 ½" AR550 RECOMMENDED AMMUNITION (Type / Load / Max Velocity / Max Energy) Rimfire Pistol Centerfire Handgun Centerfire Rifle Big Bore Rifle. Due to the large difference in yield strength between the AR400 plate and the filler material, minimizing weld restraint is critical to control cracking of weld.