A quenched & tempered, through-hardened, abrasion-resistant grade of steel plate. At 50ksi, a higher strength steel than A36. I have also used ar500 on a number of heavy equipment repairs and it is real hard. The spall angle range for the AR500 vs. . Hardness testing AR500 steel plate. [1] Quenching & Tempering Abrasion resistant steel undergoes a two-step heat treatment process called quenching and tempering, which alters the steel's grain structure to increase hardness and toughness. AR400 VS AR450 VS AR500. The AR400 are premium abrasion resistant steel plates that are heat-treated and exhibit through-hardening. We would like to show you a description here but the site won’t allow us. With a high Brinell hardness number (BHN), AR500 steel is perfect for targets because of its functionality and safety. The tensile strength of A514 alloy steel is specified as at least 100 ksi (689 MPa) up to a 2. AR500 VS. 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. AR400 steel is a high-carbon alloy designed explicitly for abrasion and wear resistance. Hangover Saturday, WARNING: pinch faced Church quilting bee types, salty language ahead. 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. Physical Properties. The best steel targets for . While the higher Although it has a lesser Brinell hardness value, AR400 will be more formable. 143 Street East Chicago, IN 46312 Warehouse 1250 E. Full Member. SA-36 steel production process: the steel is killed steel. values of hardness are compiled and shown in Table 2. Wear resistant plates from Prosaic Steel & Alloys are available in the following dimensions and certificated to EN 10204 3. A285 Steel Plate. 54 with. I know that welding the 400 with a mig does no good, not enough penetration. Unlike paper or other single-use marks, AR500 steel shooting targets won’t shatter or spread debris, which makes cleaning up fast and. Hard to say on wear, as our opperators can burn off a set of ski's off of a Cat 6040 bucket in 3 months that are 4 inch thick 12 inch wide that are hardox or AR500 grade. ABS Grade A, B, AH36, DH36, EH36; API 2H Grade 50;. Ar300 Steel Plate Equivalent is. M at erial G rad e: AR400 / AR450 /AR500 M at erial C o nd it io n(s ): R oller Quenched / Roller Quenched and tempered S urfac e F inis h: As rolled A s s o c iat ed S t and ard : BS EN 10051 D es c ript io n:To put it simply, hardness is the resistance of the steel to penetration. I guess depends on what he means as "better". Eventually, the customers and their team will be the best judge of which material is required for their project. Independently tested and rated to NIJ 0101. Here’s a general comparison. A285 Steel Plate. The hardness also increases the steel’s strength, with better dent resistance as a result. Edited December 9, 2016 by Charlie. Whereas 400 can be between 360 and 440 Brinell, 500 is between 477 and 550. 500 also has a higher hardness. It does seem to weld better. I believe you can use 3/8 AR500 OK at 45 degrees. . 8500. and aside from my dedicated . With an extra 50 HBW hardness over AR 400 grades, it provides additional wear resistance for an extended service life. AISI 8620 can be used for a range of medium-strength applications. Random Erik also makes a guest appearance. This costs more but you get targets with crisp clean cut edges and a nicer appearance as a result. A285 is a carbon steel intended for. Preheat to 150°F-300°F (66°C-149°C) in order to slow the cooling rate. At present, the AR material with or without the “F” is interchangeable, but — traditionally — material with an. They will take a beating for years!AR400 steel is known for its exceptional mechanical properties, particularly its high tensile strength and hardness. Choosing Which AR400 or AR500 Steel Target is Right for You. Kloeckner offers A5656 in four different grades, including 50, 60, 70, and 80, and in three chemical requirements, type 3, type 7, and type 8. For AR500 steel plate, the nominal harness is 500, and its range is 460 to 544. I have a customer who is wanting me to drill and tap some 1/2-13 holes in some AR 400. Aplicaciones. 00. In my hands on experience with AR400, joints that are free to move/contract are one of the best methods for reducing cracking during welding. 9mm FMJ was 7. The technical difference between AR400, AR450 and AR500 is the Brinell Hardness Number (BHN), which indicates the material’s level of hardness: AR400: 360-440 BHN Typically. A36 s. AR400, also known at Ford Steel as Wearalloy 400, is a high-carbon steel with a nominal hardness of 400 and a minimum hardness on the Brinell scale of 360 to 440. Directions. AR500: 460-544 BHN Although this material is the hardest of the above 3 and will wear long, the steel is brittle and is not recommended for grinders. AR500, or AR500F steel, is a high-carbon. Its semi-auto action is perfect for big and dangerous game hunters, and it offers the maneuverability and customizability inherent in the AR platform. AR500, on the other hand, is designed for impact and fatigue resistance, wear, corrosion, and abrasion resistance, and the like. 500 Brinell = 53 Rockwell C. Popular grades of Hardox ® AR steel include AR400, AR450, AR500, AR550, AR600 and Hardox ® 500 Tuf, our latest grade at 475-505 HBW, combining the best properties of AR450 steel and AR500 steel for high hardness, high toughness and wear resistance, especially for extreme-duty. 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:. 3-0. 00 tons. 7018 stick or E70t-11 fluxcore or MIG E70s-6 wire will do. Details. e. AR400, or AR400F steel, is a high-carbon. This means that AR is harder due to the addition of carbon, and formable and weather resistant. It put a very light dimple in the plate when the plate was held rigid if allowed to topple like a silhouette it only nicked the surface. In the case of AR400 steel plate, 400 is the plate’s nominal hardness, and it has a hardness range of 360 to 440. User NameAR400 vs AR500 Guns & Ammo Discussion. With its 600 BHN I. It's a lot harder than regular plate. Overview: Popular abrasion resistant steel grade that combines through-hardness with good levels of ductility and formability. Abrasion resistant steel is created by quenching and tempering forged steel plates. JADCO HARDGUARD™ blocks are easy to install, and provide instant wear protection in a wide range of exposed wear locations. Both are alloys with excessive strength and wear 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. AR450: 430-480 BHN This material is slightly harder than AR400 and is also a popular material to make grinder screens. The steel used for shooting targets is usually made of AR500 or AR550 steel. boron treatment. In fact all of my targets are made from AR400 and have held up with no issues from . AR400 vs AR500 Guns & Ammo Discussion. Ar500 prices, you will notice that Ar500 is usually higher. (long range handguns) Will they get dented , swiss cheesed or otherwise. 0 plate carrier from Armored Republic offers maximum coverage and load-bearing capability, right out of the box. A992 Grade Structural Corrosion-Resistant Steel. . Titus AR 500 steel plates are heat treated to provide a Brinell hardness range of 477 to 534 with a typical Brinell hardness of 514. 내마모강은 균일한 경도 (hardness)를 유지하도록 처리되어 S45C 열처리 강판과 비교할 때. Very tough to drill a hole in it. AR500 Steel Plate. The . Full Member. * Glancing impact shots - handgun rounds 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. 56x45mm 55gr FMJ 3,388 fps 1,4102 ft/lbs . AR500 steel plate measures between 477 and 550 BHN. My AR500 plate came with instructions to keep impact velocity BELOW 3200 fps. What is the difference between AR400 and AR500 steel? The Brinell Hardness number differentiates the abrasion resistant steel grades. BHN signifies the hardness level of the material: AR400: 360-440 BHN Typically. 308 hand loads at 100 yards easily. AR400 vs AR500 steel plates are two of the most popular abrasion resistant steel plates in the world. I have drilled AR400 before but never taped it. User NameThe Testudo Lite still accommodates both 10”x12” or 11”x14” body armor of any type. Combined with Buffalo Bore’s 350, 400, and 440 grain loads, the AR500 is. Hit it with a file. Winco-Tuf 50 if superior to standard AR500 plate. For AR500 steel plate, the nominal harness is 500, and its range is 460 to 544. However, this increase in strength and abrasion resistance will make the steel less malleable. AR400 and AR500 are two popular grades of abrasion-resistant (AR) steel, differentiated by a characteristic called impact resistance. Amerikaanse standaard: ONS A128What is abrasion resistant steel plate?Abrasion resistant (AR) steel plate is a high-carbon alloy steel plate. Kromite® #3 (4140/4150 mod. Our AR500 steel is bead blasted front and back prior to laser cutting to remove mill scale. User NameAR400 vs AR500 Guns & Ammo Discussion. hardened. Action Target only uses AR500 or AR550 steel be-cause they provide the perfect balance of toughness and strength for shooting. Similar Threads: Help! Drilling small 0. Testudo-Gen-2-bundle. Typical hardness range is 385/425 BHN. Hardox® 400 is available as plate in thicknesses of 0. AR400F has a minimum Brinnel hardness of 360. AR500, or AR500F steel, is a high-carbon. AR500 was prone to cracking around the legs and feet and was a bit on the brittle side. Shooting would largely be . Plasma doesn't care how hard (or soft) the metal is. AR500 Steel works for both handguns and rifles; Lower grades of steel can be. For me, one sheet of . 308 between 200-700 yards (maybe 100 yards on occasion). Also how well the welds will bond between the mild ( rusty ) steel and the Ar500. AR235/400/500 are all abrasion resistant steels, thus the AR in the name. I work on a bunch of plastic injection molds and associated equipment. The 1/4” AR400 works with 38sp, 9mm, 40S&W and similar cartridges. . The number in the material name (e. This includes differ blades and buckets, heavy machinery, and mining. User NameFirearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. We also offer High Definition Plasma Cutting for custom shapes. Minuteman. 1°. $427. 338 Lapua and 200-1300yds. Custom applications can use an A-514 steel or other higher strength steel in replace of a mild steel base plate. In ‘standard’ hat sizing, this falls along the border of M/L sizing. g. Mirro-Krome 60® (I. The AR500 steel will last long, and can deal with more powerful rounds that mild steel won’t be able to deal with. 118", and as sheet in thicknesses of 0. We use cookies to enhance your experience. Featuring a completely adjustable cummerbund, comfortable padding. Rogue AR500 Steel Reactive Popper Targets. A514 is a conventional quenched and tempered alloy steel plate designed for structural applications. Neither are pleasant, both are somewhat machineable. 내마모강은 균일한 경도 (hardness)를 유지하도록 처리되어 S45C 열처리 강판과 비교할 때 최소 3배 ~ 10배의 내마모 수명을 보유한 특수강입니다. Contact. Whereas 400 can be between 360 and 440 Brinell, 500 is between 477 and 550. Carbon Equivalency (47) 1/8″ to 1″ Thicknesses. AR450 is an Abrasion Resistant Steel, much like AR500. Since it’s an extremely durable and long. Details. The primary difference between the two materials is their chemical composition. Using HARDOX® components in your equipment helps to protect both machinery and workpieces from undue wear and tear, thereby extending the service life of your equipment as much as 10 times the norm in some applications. You can use 9mm. The hardness also increases the steel’s strength, with better dent resistance as a result. T1 Steel vs AR500. That is its purpose, after all. I tested 1/2 AR400 vs a 300 ultra with 150's and 180's at 100 yds. 308? I have shot my 3/8" LV target at 100 with . Even steel jacketed ammo has noticeably more effect on AR500 than copper jacketed, but not nearly as bad as steel. AR400 vs AR500 steels are both excellent choices for applications demanding resistance to abrasion and wear. com 1215 E. 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. Hide/Show specific columns Edit. The mfg of the plate y o have would be the best place to start. The end result will be a plate that ranges between 7/16″ and 9/16″ thick, hence 1/2″ nominal thickness. 1°. It is a high-carbon steel alloy that provides greater impact and sliding abrasion resistance by comparison. AR500: 460-544 BHN Typically. Available SizesAR400 / 400F; AR450 / 450F; AR500 / 500F; AR600; Heavy Steel Plate. MIL-A 46100 (latest rev. AR400F is quenched and tempered through hardened wear resistant grades of abrasion resistant steel plate used for high impact and abrasion resistance. 3 HRC compared to RHA at 43. 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. 130 ksi. However, this increase in strength and abrasion resistance will make the steel less malleable. Class 3: Testing and evaluation. Re: AR400 vs. 5 inch (63. When compared with AR400 steel, AR500’s increased surface hardness allows it to outperform in certain high-abrasion applications. ASTM A516/ ASME SA516; ASTM A537/ ASME SA537; ASTM A283/ ASME SA283; ASTM A285/ ASME SA285; Armor & Ballistic. Ultima 601 is designed to extend service life where abrasive materials (i. The key alloying elements in AR400 are used for specific purposes. Since so many attachments are built from mild steel, we will deal with it first. P. Improved forming and weding capabilities. #8. Winco-Tuf 40 is for use in areas where AR400/AR500 are currently used. 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. Certified to ISO 9001:2015, Steel Warehouse delivers high-quality, in-house. At my local steel yard I can buy AR 400 (Abrasion Resistant) in 3/8 thickness for $1. This is some strong mild steel or shitty ar500Dec 14, 2022. AR500 = AR500 is a premium abrasion. AR400. 6% carbon). AISI 8620 is a common, carburizing alloy steel. It has a Brinell hardness range of 360-440BHN. The A36 was a standard established first by the ASTM International. Both 8" AR400. The advantages of this product include reduced waste and minimal lead time compared to the. Kromite® #3 (4140/4150 mod. 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. and 250 BHN O. AR steel tends to come in between 235-550BHN. AR stands for Abrasion Resistant and will come in designations like AR400 or AR500 and usually offered as-rolled versus normalized (AR 200, 235 and 600 are also available). Context 2. AR500 is a high-strength, low-alloy steel that offers great weldability, formability, and toughness. Re: AR500 vs AR400 Steel?? AR400 = Holes at less than 300 yards. AR400 vs AR500: Understanding the Difference. Details. 2″ -> 1. AR400 vs AR500 steel are two popular types of abrasion-resistant steels used in various industries. While not a good candidate for forming and machining, AR400 plate is suitable for welding. or monthly payments as low as $19. 내마모강 (AR400,AR500) 2018. Or a scribe or similar would work too. It is currently Thu Jul 27, 2023 12:57 am: Board index » Community Discussion Area » General Firearm Discussion. Slight preheat can help but does contribute to the peak temperature achieved during welding. The protection of landmines and explosives. Your people managed to get the material here. Context 2. 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. Tensile Strength — 210,000 PSIAR400 / AR450 / AR500 Overview These grades are used in highly abrasive environments within the mining, cement, aggregate, and various ground engaging applications. The maximumAR400 / 400F; AR450 / 450F; AR500 / 500F; AR600; Heavy Steel Plate. This means that AR500 is overall significantly more impact resistant than AR400, and the addition of manganese increases its sheer strength. AR400 steel plates are suitable for applications that requires a good level of abrasion resistance (i. Rogue AR500 Steel Reactive Popper Targets. Abrasion resistance for the AR500 steel plates is. 1. $169. 27 0. While AR500 has exhibited excellent resistance to high impact stresses, we still have found it to be lacking when it comes to the ability to mitigate. 308 just knocked the paint off. We rate all of our 3/8″ targets for rifles such as 5. Hardox ® 600 has been successfully used in cement. May also see some use with 9mm and 45acp at 25+ yards. At Clifton, for steel to be considered AR400, the plate must measure between 360 and 440 BHN. Just make sure you buy from a reputable company. AR500 Steel Plate. In contrast, the cost of AR400 ranges from $400 to $650 per tonne. AR450 is an abrasion resistant plate used in a variety of. The benefits of. We offer Wear Resistance Steel Plate AR400, NM400 is a high-carbon alloy steel plate. AR600: 570-625 BHN Typically (less common, but available) What is AR400 VS. Chocky blocks are a common term for these high Chrome cast white iron wear blocks. 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. SLS 600 ® Induction Wear Pipe; CLIF-CLAD ® Overlay Pipe; G 2T ® Ceramic Lined Pipe; Steel Round Bars. MOA Targets LLC 3955 Wild Horse Rd Reno, NV 89510 (775) 623-7152 The names of AR plate products typically indicate the hardness of the material. For pistol use, there will be no noticeable difference between AR500 and AR550. It can also deal with high impact stress regardless of the temperature. This means that AR is harder due to the additi. You still need the AR400 for the yield strength. The Drip Cap. 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. The AR plate you’re cutting should be 3/8″ or 1/2″. There are several grades of abrasion resistant steel, including AR200, AR235, AR400, AR450, AR500 and AR600. AR400 is a lot easier going than this AR500. A high-quality target is only one part of the equation: Using it properly is the other. Abrasion-resistant steel plate and common steel plate have significant differences, but the differences between AR400, AR450, and AR500 are more subtle. AR400 abrasive resistance steel plate is intended for higher, impact, wear applications where cold-bending and very good weldability is important. AR400, or AR400F steel, is a high-carbon. 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. 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. It's a lot harder than regular plate. 308 I have rocked it at 25 yards with . 내마모강은 균일한 경도 (hardness)를 유지하도록 처리되어 S45C 열처리 강판과 비교할 때. 22LR Pistol 40gr HP 1,060 fps 117 ft/lbs 9mm Luger 124gr FMJ 1,293 fps 460 ft/lbs 5. Read more about AR400 vs AR500 here. 내마모강은 균일한 경도 (hardness)를 유지하도록 처리되어 S45C 열처리 강판과 비교할 때 최소 3배 ~ 10배의 내마모 수명을 보유한 특수강입니다. User NameAR400 vs AR500 Guns & Ammo Discussion. With an extra 50 HBW hardness over AR 400 grades, it provides additional wear resistance for an extended service life. AR500F. I was shooting LC match ammo that is loded with a 175g SMK. We use only American made AR500 steel, and specify a BHN (Brinell test for hardness) of 500 or more. The difference between common steel plate & abrasion resistant steel plate is significant, but the differentiations between AR400, AR450 & AR500 are more subtle. However, this increase in strength and abrasion resistance will make the steel less malleable. Spinners, speed racks, gongs. AR450 and. Typically, AR400 is between 360-440 Brinell, while AR450 is around 429-495 Brinell, and AR500 between 460-544 Brinell. Also, while Ar500 has high abrasion resistance, Ar400 possesses more impact resistance. The A2 body armor from Armored Republic is thin, low-profile, and low-weight- giving you maximum mobility without compromising stopping power. Per square foot, a 3/8-inch plate weighs around 7 pounds. . Typically, military grades are A36 Low-Carbon Steel, AR400 Abrasion Resistant, AR500 Abrasion Resistant, MIL-46100 Military Grade, MIL-12560 Military Grade, and MIL-46177 Military Grade. Each mill has slightly different alloys and heat treatments. Steel body armor is a type of body armor plate that is made from high-quality tempered steel such as AR500 or AR550 steel. It is a high strength alloy that is noticeably harder than mild steel, but still far from your AR400 or AR500 varieties. For AR500 steel plate, the nominal harness is 500, and its range is 460 to 544. #17. AR500 – Understanding Abrasion Resistant Steel. A572-50. They are time savers, especially for larger size holes. 3/4″ to 4″ Widths. For example, a 1/2″ nominal plate is typically a 1/4″ overlay applied to a 1/4″ of base plate. See full list on econsteel. 6% carbon), and High carbon steel (more than 0. AR450 and AR600 steel plates are also available, but they’re a bit less common. AR500 can resist wear and abrasion, both improving equipment’s longevity and increasing production time. AR600: 570-625 BHN Typically (less common, but available) Therefore, what does this mean in terms of usability? Comparison of ar400 and ar500. Chemically, AR500 steel includes manganese, phosphorus, sulfur, silicon, chromium, nickel, boron, and molybdenum. AR400 and AR500 steel. View in full-text. Steel body armor is typically worn by. The Brinell Hardness Number (BHN) is the technical difference between AR400, AR450, and AR500. bucket components, construction equipment and wear plates used in plows and farming equipment. When we buy the AR400 3/8 the steel company cuts the one edge with a torch and it's rough as a cob. They also undergo ballistic testing to determine the velocity a weapon. . And AR steel is rather on the hard and abrasion-resistant side. The 500 Auto Max is a rimless 500 S&W Magnum. Maintain preheat temperature during weld. A radius of 2. 따라서 바위, 모래, 석탄, 광물의 적재시 주는 충격이나 미끄러지면서 가해지는. e. The use of brackets and bolts to hold targets in place cre -. Just make sure it's actually AR500. Clifton Steel is the leading supplier of AR400, AR500, A514, Manganese Steel, and Armor Plate. TOTALLY FLAT SURFACES Steel targets need to have a perfectly flat surface in order to be safe for shoot - ers and bystanders. When a project calls for AR plate, it is generally because of the length of wear on the plate is minimized. Chromium increases corrosion resistance and hardenability, wear resistance and. But if you would like them to last the answer is most certainly “NO. 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. Quenching occurs by bringing the steel to a high temperate, between 1,500 and 1,650F, then is. 5°. Alpharetta, Georgia 30004. The spall angle range for the AR400 vs. Specifications * Chemistry may vary depending on. For example, some manufacturers, like Rogue Shooting Targets, use AR500 Steel and others use milder AR400 and other milder steel versions. AR500 steel can withstand the abrasion that the rocks cause by sliding better than the AR400 steel, meaning it would last longer. Foreign vs. PRESSURE VESSEL QUALITY STEEL. 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. We use T1 minimum and a lot of our attachments are made from AR400 or are AR 400 tipped. 500 also has a higher hardness. These below mentioned castes or communities are assumed to be not included. 2° to 7. We use T1 minimum and a lot of our attachments are made from AR400 or are AR 400 tipped. Certificates with a traceable lot number are available for these. Check Price and Ar400 Vs Ar500 Vs Hardox 400, Ar400 Wear Plate Supplier in India at Low Price . The typical Brinell Hardness range is 470-530. Details. Ar400 is common, the 500 isn' as easy to find without a special order in my exsperience. AR400. rounds. BONUS: Shoot better. 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. [1] Quenching & Tempering Abrasion resistant steel. There are different types of steel, for example, AR400 OR AR500, that are produced to a specific hardness. AR 500 Steel – What is the Difference? Abrasion Resistant (AR) steel contains carbon and alloys that make it harder than other types of steel. Originally posted by Sonora Iron View Post. ⓘ. 4140 steel welding, 4140 steel machining, 4150 steel properties, 316 stainless properties, ar400 properties, ar500 properties. and I'll go out on a limb here and assume AR400 and 500 are similar. 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. 5. 57 with. How to choose the correct steel for your shooting needs. I made and sold AR500 targets as a small side gig a long time ago and had a few people torture test my 1/2” targets. I mig welded some hinges to one of the targets. AR500: 460-544 BHN Typically.