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. But if you would like them to last the answer is most certainly “NO. 375” x 48” x 96” AR500 is $570 ($1. 00 tons. 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. What is AR500 Steel? Much like AR450 and AR400, AR500 steel is a specific type of abrasion resistant steel. 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. AR500 Steel Plate. Intended for moderate wear applications, common uses include contact. and aside from my dedicated . AR400. The AR400, on the other hand. AR400 vs AR500 Guns & Ammo Discussion : Alberta Outdoorsmen Forum > Main Category > Guns & Ammo Discussion: AR400 vs AR500 User Name: Remember Me?. AR450 VS. When hitting, reactive AR500 steel targets will clang, spin, tumble or turn. AR400, or AR400F steel, is a high-carbon. With its 600 BHN I. AR Plate (trade names such as:"Algoma 500 , AR500, Hardox, etc. . Además de los beneficios de resistencia a la abrasión, el AR400 ha aumentado la resistencia al. com 1215 E. Compared to E70T-4, they offer slightly lower deposition rates of up to 30 pounds per hour, but they offer a smoother welding arc and Charpy impact toughness properties. SKU. That is its purpose, after all. AR plate is a high carbon alloy plate. However, this increase in strength and. This ebook covers tips for creating and managing workflows, security best practices and protection of intellectual property, Cloud vs. Hardox® 450 combines good bendability and weldability with an option for guaranteed impact toughness (Hardox®. 2. Keep velocity below 3000 fps to prevent damaging the AR500 plate. Haven't been able to shoot it yet. AR400; AR450; AR500; Manganese Steel; AR250; A514; Chocky Bars; 4150 Steel Bar; Scrap & Recycling. AR600 steel plate is the most durable abrasion-resistant steel plate carried by Leeco Steel. 5425 N Whitaker Road. Our company can provide cutting, welding, drilling and turning services if required. The subsequent grade would be an alloy called 4340. AR500 – Understanding Abrasion Resistant Steel. Specifications * Chemistry may vary depending on. hardened. As a premier supplier of AR400, AR500, A514, Chromium Carbide Overlay, Manganese Steel, Armor Plate & More, we have a long history of providing innovative solutions to the abrasion, impact and wear resistant steel markets. Hardox ® 600 has a nominal hardness of 600 HBW and a uniquely high toughness for such a hard steel. 308 and . There is no more effective quick fix available. 145th St East Chicago, IN 46312. 223 and 5. The spall angle range for the AR400 vs. Posted: 1/16/2021 8:41:03 AM EST [#8] Buy a Crye JPC. 5 mm) thick plate, and at least 110 ksi (758. AR400, or AR400F steel, is a high-carbon. I know that welding the 400 with a mig does no good, not enough penetration. Debido a las ventajas únicas del AR400, se utiliza en aplicaciones tales como la maquinaria pesada y aplicaciones de placas de acero. AR400 vs AR500 Guns & Ammo Discussion. AR450: 430-480 BHN Typically. AR500F exhibits an optimal combination of hardness, abrasion resistance, formability, and weldability. AR500 actually has pretty good customer service, though shipping takes some time. The steel used for shooting targets is usually made of AR500 or AR550 steel. The highest deposition rate gas-shielded flux-cored wire is E70T-1. Just make sure you buy from a reputable company. The modular design keeps the system. 1°. TOTALLY FLAT SURFACES Steel targets need to have a perfectly flat surface in order to be safe for shoot - ers and bystanders. We use T1 minimum and a lot of our attachments are made from AR400 or are AR 400 tipped. 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. . 96” and lengths up to 629. AISI 8620 can be used for a range of medium-strength applications. AR400 and AR500 plates are AR plates that are 400 and 500 BHN, respectively. Galion uses only premium ASTM certified AR450. Some 3/8″ thick AR500 steel targets are rated for . AR500, or AR500F steel, is a high-carbon. Targets will be 3/8 thick, 18" square at 500 yards and beyond. wear is a fine line to walk. Common Uses. 223/5. 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. AR400 Flat Bars; ASTM A514; ASTM A829 AISI 4130/AISI 4140; Marine & Offshore Steel Plate. For over 50 years, customers in multiple industries have all relied on Clifton Steel products for the durability. Made with a custom steel alloy blend, this level 3 plus protection defeats all pistols. 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. Various thicknesses & sizes available. BHN signifies the hardness level of the material: AR400: 360-440 BHN Typically. This is one of the most. AR400 vs AR500: Understanding the Difference. 2713 posts · Joined 1999. You can find hardness levels for AR400, AR450, and AR500 on their respective pages. AISI 8620 . Rhino-Tuf EZ is different from commercial grade wear plates. However, this increase in strength and abrasion resistance will make the steel less malleable. Cost Comparison. It is a common material for conveyors, chutes, linings, hoppers and handling equipment in the materials handling and mining industries. Menu. AR400 is a high-carbon alloy steel commonly used in mining, forestry, and construction. AR400 + AR500 abrasion resistant plate, bar & strips. 8500. While all three types of abrasion resistance steel offer great hardness, they vary in. You can cut AR500 steel using a plasma cutter and a properly tuned table. Hardox ® 450 has a solid reputation as a highly versatile, abrasion-resistant steel that also has structural properties. AR400; AR450; AR500; Manganese Steel; AR250; A514; Chocky Bars; 4150 Steel Bar; Scrap & Recycling. I hardness tested some plates with a Rockwell hardness tester setup for the C scale. You can find hardness levels for AR400, AR450, and AR500 on their respective pages. AR400 = AR400 Combines hardness and toughness with the opportunity for flame cutting, forming and welding. Alpharetta (Atlanta Plate Processing) 2005 Grassland Pkwy. They are for a quick attach bucket for a loader. AR550 and AR600 plates of the same size would be lighter due to their increased thickness and hardness. In fact, Clifton Steel’s Clif-Clad chromium carbide overlay plating can withstand even severe. Hardox ® 600 has been successfully used in cement. AR steels are a great choice to build a gate, valve or diverter if you deal with high. Ground penetration won't be that much of a problem, and you still have to protect the entire shin face of the shank. Details. D. AR 500 Steel Plates: Heat Treated for Higher Hardness Rating. Products. 4000-10000ft-lbs = ⅝” AR500. Another difference between AR500 and mild steel is their hardness. This has a surface hardness of 477-534 BHN. The spall angle range for the AR500 vs. 5°. Its all rusted and wore out. A572 grade 50 steel plate is a high-strength, low-alloy plate, specified for bridges, higher strength structural duties, and light pressure vessel requirements. AR500 steel plate’s advantage over other carbon-steel products is that it ranges in thickness from ½ inches to 4 inches. In this case, Ar500 is preferable in the competition of Ar500 Plate vs. Consequently, AR400 will have a. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. The main differences are hardness and strength, achieved through varying levels of carbon and manganese. SKU. . Because its alloy is made from a mixture of steels, the category is more responsive to mechanical and heat treatments than pure carbon steel. The hardness also increases the steel’s strength, with better dent resistance as a result. 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. 02 inch diameter holes for vacuum molds; 1. 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. 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. While targeted at more severe wear conditions, Hardox ® 600 can still be cut and welded, making it an excellent choice for high-performance applications. One of the main differences between the ar400 and the ar500 is the cost. It does seem to weld better. 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. For example, a 1/2″ nominal plate is typically a 1/4″ overlay applied to a 1/4″ of base plate. The use of brackets and bolts to hold targets in place cre -. Community funds…Reskinned some areas wit AR400. * 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. The ar500 testudo is a very common pattern of plate carriers, with molle front, back, cummerbund and a closure flap. 223. Can You Roll Form AR sheets? Due to the steel’s extreme hardness, AR500 plates are very difficult to form. For more information regarding the differences between AR400, AR450, and AR500, visit our AR450 page here. AR400 vs AR500 steel plates are two of the most popular abrasion resistant steel plates in the world. 06 standards to defeat six (6) rounds of. 4140 steel properties. However, this comes at a cost—AR400 steel tends to be much more expensive than mild steel. The greatest differentiator between AR450, AR400, and AR500 is the hardness that each achieves. the 400 in AR400) usually refers to the material hardness based on the Brinell Hardness scale. 12"x20" torso from X-Steel targets. As far as the Testudo, I own one and can’t really recommend it. But they differ as each steel has unique properties that make it a better fit for specific applications. Available flaw detection requirements: Z15-Z35 thickness direction performance. 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. . It's not something you w. A 3/8-inch plate weights around 10 pounds per square foot. The tensile strength of AR400, often referred to as the ultimate strength, has been measured at about 200 kilograms per square inch, far more than. and availability out of sight, I don't necessarially agree that 304SS is the answer. AR450: 430-480 BHN This material is slightly harder than AR400 and is also a popular material to make grinder screens. 1/4” AR400. AR400. I'd suggest buying a roll of abrasion resisting hard-face wire for your mig welder. 9mm FMJ was 5. 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. For AR500 steel plate, the nominal harness is 500, and its range is 460 to 544. P) Machining Guidelines. Much like AR450 and AR400, AR500 steel is a specific type of abrasion resistant steel with a surface hardness of 477-534 BHN. This means that AR is harder due to the additi. AR450: 430-480 BHN This material is slightly harder than AR400 and is also a popular material to make grinder screens. As such, they provide even more protection against rifle fire and handgun rounds than ar500 plates as well as superior shock absorbency. 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. 308 I have rocked it at 25 yards with . This curved armor plate has our durable FragLock™ coating and is especially mobile at just 5. Hardox ® 600 has a nominal hardness of 600 HBW and a uniquely high toughness for such a hard steel. A572-50. Similar Threads: Help! Drilling small 0. Kromite® #3 (4140/4150 mod. 500 also has a higher hardness. It is a high-carbon steel alloy that provides greater impact and sliding abrasion resistance by comparison. User NameAR400 vs AR500 Guns & Ammo Discussion. Difficult to form: The greater the carbon content of the steel, the less it will bend to shape. Unfortunately there is no uniform specification for AR500 material other than hardness and the chemistry and Heat Treatment will vary from mill to. 9300. Contact us now for a no-obligation free quote analysis and to discuss the steel solution that’s right for you. Ar400 Vs Ar500. Alloy Steels. For instance, if you need high hardness that is deeper and more uniform, you could add Nickel to the 4140. Therefore, AR400 will have a lower hardness than AR500 / AR500F. 1/2” thick is the way to go for rifle targets for sure. Designed to handle centerfire handguns up to 45ACP. AR500 will take hits at close range from . 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. Which is stronger AR400 vs AR500? AR500 has higher abrasion resistance, but AR400 has higher impact resistance. 3/4″ to 4″ Widths. Reactive vs. It is a high-carbon steel alloy that provides greater impact and sliding abrasion resistance by comparison. Chromium carbide overlay plate begins with a mild steel base. 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. Referring to the hardness properties, AR500 recorded the highest hardness at 47. SLS 600 ® Induction Wear Pipe; CLIF-CLAD ® Overlay Pipe; G 2T ® Ceramic Lined Pipe; Steel Round Bars. Our Dueling Tree uses a unique system that allows gravity to assist in the reset to keep you shooting. SSAB Abrasion Resistant Commercial Steels are designed to maximize abrasion resistance while providing good formability and weldability. AR500: 460-544 BHN Typically. I didn't see a hardness listed but strength in steels is roughly proportional to hardness IIRC, so it is most likely quite a. Say hello to 40 mm thick hard AR 400 plate. Specifications Specifications AR400 / 400F AR450 / 450F AR450 /. Action Target only uses AR500 or AR550 steel be-cause they provide the perfect balance of toughness and strength for shooting. Often used in construction and mining applications, it can also be found in a variety of other industries. A quenched & tempered, through-hardened, abrasion-resistant grade of steel plate. You name it. While not a good candidate for forming and machining, AR400 plate is suitable for welding. Got it on sale for $130 shipped. That’s an increase in hardness of 30%. . Choosing Which AR400 or AR500 Steel Target is Right for You. AR400 vs AR500 Guns & Ammo Discussion. Minuteman. Kromite® #3 (4140/4150 mod. When it comes to cutting AR500 steel, you should be ready to learn certain factors. 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. In the case of AR400 steel plate, 400 is the plate’s nominal hardness, and it has a hardness range of 360 to 440. ABS Grade A, B, AH36, DH36, EH36; API 2H Grade 50;. High Strength Steels. Improved forming and weding capabilities. Note that excessive preheat may anneal the base material. In comparison to other military grades, MIL-12560 absorbs shock extremely well. In these terms, the AR500 is better than the T1. Spinners, speed racks, gongs. 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. Amarillo. 308 between 200-700 yards (maybe 100 yards on occasion). Industries and Applications. Originally posted by Sonora Iron View Post. 4140 steel welding, 4140 steel machining, 4150 steel properties, 316 stainless properties, ar400 properties, ar500 properties. When selecting between ar400 and ar500 Abrasion Resistant Steel Plates, it is essential to recognize their critical differences. Our cost for AR500 is about 40% higher than AR400. This material is an Abrasion Resistant, Thru-Hardened, Alloy Wear Plate. I've been thinking of drilling it with a 3/4" drill but the corners are drilled created an interrupted cut. With a wide range of sizes and thicknesses available, Steel Warehouse can provide you with a customized solution to fit your specific needs. AR400 | AR400F Steel Plate. AR400 VS AR450 VS AR500. AR 500 Steel – What is the Difference? Abrasion Resistant (AR) steel contains carbon and alloys that make it harder than other types of steel. Contact 844-527-4825 [email protected], The only reliable steel supplier of Rhino-Tuf® EZ Wear Bars, abrasion resistant AR400 wear bars and wear strips. 308 hand loads at 100 yards easily. More detailed information on dimensions is provided in. 3 HRC compared to RHA at 43. Try and find one where the padding is higher up on the straps, or there’s less padding. 75t (where t is the plate thickness) with the bend axis transverse to the rolling direction. 26”. 308 hand loads at 100 yards easily. 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. 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. 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. We rate all of our 3/8″ targets for rifles such as 5. Amerikaanse standaard: ONS A128What is abrasion resistant steel plate?Abrasion resistant (AR) steel plate is a high-carbon alloy steel plate. 1. 360-440 BHN Typically. AR500 can resist wear and abrasion, both improving equipment’s longevity and increasing production time. Abrasion Resisting Plate (AR, AR-400, AR-500) AR400 was designed for exceptional durability where abrasion was the primary cause of material failure. A285 Steel Plate. 45. Also if your plate swings around on impact, watch out for unpredictable splashback. 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. Maintain preheat temperature during weld. 50-caliber 500 Auto Max cartridge, the AR500 packs a wallop in a modified AR-10 platform. It is currently Thu Jul 27, 2023 12:57 am: Board index » Community Discussion Area » General Firearm Discussion. It is commonly used in the construction of bridges and buildings. Details. AR500, on the other hand, is designed for impact and fatigue resistance, wear, corrosion, and abrasion resistance, and the like. Ar500; In fabrication and building, the composition and grade of the steel plate materials used have an amazing effect on the end product. 158K subscribers in the longrange community. AR500 is a high-strength, low-alloy steel that offers great weldability, formability, and toughness. Differences between AR400 and AR500 Steel PlateRifle used was my Armscorp M1A in 308 win at a range of about 250yds. $427. 2° to 7. The Brinell Hardness Number (BHN) is the technical difference between AR400, AR450, and AR500. 56/. When compared with AR400 steel, AR500’s increased surface hardness allows it to outperform in certain high-abrasion applications. 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. AR steel tends to come in between 235-550BHN. AR600: 570-625 BHN Typically (less common, but available) What is AR400 VS. AR450. 5 pounds. Hardness testing AR500 steel plate. How to choose the correct steel for your shooting needs. 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. The spall angle range for the AR500 vs. All our AR400, AR450 and AR500 have additional alloying elements which increase formability and enhance weldability. This is a high-carbon alloy steel that is perfect for rugged applications that require high wear resistance. T1 Steel vs AR500. glass, coke, coal, wood chips, bottom ash, rice, and stone) can cause premature wear. ASTM A131 A&B / ABS A&B; ASTM A131 / ABS AH36 / ABS DH36 / ABS EH36; API 2H Grade 50; ASTM A633; PVQ Steel Plate. Specialty Steel Company of America. AR400 / 400F Abrasion Resistant Steel Plate Leeco ® Steel stocks and supplies large quantities of AR400 steel plate, which combines surface hardness with formability. It's a lot harder than regular plate. Ford Steel is a leading supplier of Wearalloy AR500 hardened steel. 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. Certificates with a traceable lot number are available for these. Shape: Thickness: Width: Length: Resulting Weight: Calculated theoretical weights are for estimation purposes only. Carbon Equivalency (47) 1/8″ to 1″ Thicknesses. A36 . The A2 body armor from Armored Republic is thin, low-profile, and low-weight- giving you maximum mobility without compromising stopping power. AR500 They have a steel range here that has ar400, fmj, Magnums, over . 3% carbon), Medium carbon steel (0. That’s why three types of abrasion-resistant steel have become popular choices: AR400 VS. A514 steel is available in a variety of chemistries: B, E, F, H, Q, and S. Cost effective and available in a wide. A bunch of 1-1/8" holes. bucket components, construction equipment and wear plates used in plows and farming equipment. Hardox 450 has a yield strength of around 175,000 lbs minimum yield. 308? I have shot my 3/8" LV target at 100 with . rounds. 143 Street East Chicago, IN 46312 Warehouse 1250 E. AR400 vs AR500 steel are two popular types of abrasion-resistant steels used in various industries. Typically, AR400 is between 360-440 Brinell, while AR450 is around 429-495 Brinell, and AR500 between 460-544 Brinell. The number in the material name (e. Call us at 800-321-8500 for a quote. AR400 will hole at those ranges. Call us. AR400 hardness: 360 minimum / 400 nominal. 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. HARDOX® is easy to repair and maintain, saving time and money in repairs, maintenance, and downtime for applications. Cost was around $230 with sales tax for both. ) Hot Roll; Kromite® CD (4140 mod) Cold Drawn;In this case, Ar500 is preferable in the competition of Ar500 Plate vs. Mills use a hardness test – the Brinell Test – to determine the category. Re: AR500 vs AR400 Steel?? AR400 = Holes at less than 300 yards. I mig welded some hinges to one of the targets. 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. They are cut out of AR400. 3. The figures below are representative of 15mm thick AR400 and AR500 plates. ENDURA Steel Advantages. Tacticon Armament’s AR600 10×12 can weigh as little as 6. What is the difference between AR200 and AR400? AR200 and AR400 are both Abrasion Resistant steel plates. Grump Gunny Sergeant. Details. 9mm FMJ was 5. For example, some manufacturers, like Rogue Shooting Targets, use AR500 Steel and others use milder AR400 and other milder steel versions. AR500, or AR500F steel, is a high-carbon. Frank called your office in the afternoon & asked the impossible- get 3,000 lbs of steel here that afternoon. JADCO HARDGUARD™ blocks are easy to install, and provide instant wear protection in a wide range of exposed wear locations. and 250 BHN O. As a premier supplier of AR400, AR500, A514, Chromium Carbide Overlay, Manganese Steel, Armor Plate & More, we have a long history of providing innovative. 1°. And AR500 has a tensile strength of 210,000 psi. The application will determine whether you want an AR400 or AR500 wear-resistant steel plate. Here’s a general comparison. AR450 steel is a high-carbon steel alloy that has a surface hardness between 400-477 BHN. AR400 vs AR500 steels are both excellent choices for applications demanding resistance to abrasion and wear. Superior protection. 3-0. Plates measure on average 40 RHC. Hardox® 400 is available as plate in thicknesses of 0. AR500 | AR500F Steel Plate. AR500F exhibits an optimal combination of hardness, abrasion resistance, formability, and weldability. Unlike paper or other single-use marks, AR500 steel shooting targets won’t shatter or spread debris, which makes cleaning up fast and. ) MIL-A 12560. When a project calls for AR plate, it is generally because of the length of wear on the plate is minimized. What is the difference between AR400 and AR500 steel? Abrasion resistant steels are classified by their typical Brinell Hardness Number. 223 and . Steel plasma cutting, steel welding, steel drilling, steel forming, steel shape cutting, steel counter-sinking, steel shearing. Per square foot, a 3/8-inch plate weighs around 7 pounds. We would like to show you a description here but the site won’t allow us. Abrasion-resistant steel plate and common steel plate have significant differences, but the differences between AR400, AR450, and AR500 are more subtle. BTDT. I guess depends on what he means as "better". There are several grades of abrasion resistant steel, including AR200, AR235, AR400, AR450, AR500 and AR600. These Q&T plates are generally used for abrasion & wear resistance. AR400 has a tensile strength of 135,000 psi, while AR450 has a tensile strength of 170,000 psi. Clifton Steel is the leading supplier of AR400, AR500, A514, Manganese Steel, and Armor Plate. Get a quote today!. This is a little girls load compared to most of the things guys are shooting in here. 321. 9mm FMJ was 7.