AR450 steel is a high-carbon steel alloy that has a surface hardness between 400-477 BHN. High Caliber AR500 Animal Silhouette Targets. For pistol use, there will be no noticeable difference between AR500 and AR550. Minuteman. Say hello to 40 mm thick hard AR 400 plate. For AR500 steel plate, the nominal harness is 500, and its range is 460 to 544. 57 with. Recommended for riveted, bolted, or welded structures, such as Gussets and Bridge Plates, when intended for construction of bridges. com and ask for the flow chart image, we'll send you a copy. BHN signifies the hardness level of the material: AR400:. 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. Ford Steel is a leading supplier of Wearalloy AR500 hardened steel. AR500 | AR500F Steel Plate. Eventually, the customers and their team will be the best judge of which material is required for their project. AR400 Flat Bars; ASTM A514; ASTM A829 AISI 4130/AISI 4140; Marine & Offshore Steel Plate. Cost effective and available in a wide. They have shown preference for 304SS construction w/AR400 floor. 22 up to . High Strength Steels. 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). 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 500 on the. 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. Usually, abrasion-resistant steel is termed “AR450F” and “AR400F” (and at times “AR500F”). A285 Steel Plate. AR400F is quenched and tempered through hardened wear resistant grades of abrasion resistant steel plate used for high impact and abrasion resistance. ASTM A516/ ASME SA516; ASTM A537/ ASME SA537; ASTM A283/ ASME SA283; ASTM A285/ ASME SA285; Armor & Ballistic. For instance, if you need high hardness that is deeper and more uniform, you could add Nickel to the 4140. Anyone that wants to watch some physics in action should look at the BB 2020 fights on Youtube or Discovery+. It's tensile strength is between 3-4 times that of a Grade 50 structural steel. The AR steel grades include: AR200, AR235, AR Medium, AR400/400F, AR450/450F, AR500/500F, and AR600. Full Member. There is no more effective quick fix available. Our company can provide cutting, welding, drilling and turning services if required. 308? I have shot my 3/8" LV target at 100 with . With a hardness range between 477 – 550 BHN, AR500 is known for its toughness and excellent wear. 26 0. The . The subreddit for long range precision shooting enthusiasts. The protection of landmines and explosives. ASTM A992 GR50 has now become the next generation de facto standard. 2. Chromium carbide overlay plate begins with a mild steel base. Apples and oranges comparison, but it still makes a difference. However, they differ in terms of hardness. rounds. Improved forming and weding capabilities. The major advantage of A992 is its improved material definition and like A572 GR 50, A992 can also offer some cost. Neither are pleasant, both are somewhat machineable. 9300. Rhino-Tuf EZ is different from commercial grade wear plates. In the case of AR400 steel plate, 400 is the plate’s nominal hardness, and it has a hardness range of 360 to 440. The base steel around the weld rapidly heats and cools during welding, resulting in a heat affected zone (HAZ) with high hardness. Quenching occurs by bringing the steel to a high temperate, between 1,500 and 1,650F, then is. C. AR450. AR400 is a quench and tempered steel and may be difficult to weld due its high strength and hardenability. If you compare A36 Price vs. And AR500 has a tensile strength of 210,000 psi. 16:14. Targets will be 3/8 thick, 18" square at 500 yards and beyond. ALLOY STEELS – Added alloying elements into the steel such as nickel. AR400 | AR400F Steel Plate. We cover the complete spectrum of impact resistant & high strength steels ( AR400 AR450, AR500) to stay competitive in the industrial market. 4140 steel welding, 4140 steel machining, 4150 steel properties, 316 stainless properties, ar400 properties, ar500 properties. For more information regarding the differences between AR400, AR450, and AR500, visit our AR450 page here. 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. 3/16″ – 3″ (Widths 72″ – 96″ – 120″) 1/4″ – 2 1/2″ (Widths 72″ and 96″) * Chemistry may vary depending on thickness and application – Please inquire. 56/. All our AR400, AR450 and AR500 have additional alloying elements which increase formability and enhance weldability. 내마모강은 균일한 경도 (hardness)를 유지하도록 처리되어 S45C 열처리 강판과 비교할 때. General Info About A656. I like Hardox brand for forming reasons. 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. Abrasion Resistant 500 has more carbon and manganese content in its chemical composition and thus it has greater hardness compared to Abrasion Resistant 400 steel. 45. 25 0. Which is stronger AR400 vs AR500? AR500 has higher abrasion resistance, but AR400 has higher impact resistance. AR500 steel plate’s advantage over other carbon-steel products is that it ranges in thickness from ½ inches to 4 inches. Differentiators include hardness levels, application uses, and cost. AR600 Abrasion Resistant Steel Plate for Excessive Wear. Details. 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. They possess unique properties that make them suitable for a. The spall angle range for the AR500 vs. View in full-text. Another difference is their Brinell Hardness. glass, coke, coal, wood chips, bottom ash, rice, and stone) can cause premature wear. Here's the breakdown. One of two abrasion-resistant grade steels offered here at SendCutSend, AR400 steel is formulated to take a massive amount of punishment and abuse. AR500 Steel. Connect Facebook Twitter Youtube LinkedInEH 450, AR450, AR500, NM 450. It does seem to weld better. Abrasion-resistant steel plate and common steel plate have significant differences, but the differences between AR400, AR450, and AR500 are more subtle. A633 is high-strength low alloy structural steel. User NameAR400 vs AR500 Guns & Ammo Discussion. SKU. Leeco Steel stocks the following standard sizes, but other sizes may be available for special orders. Además de los beneficios de resistencia a la abrasión, el AR400 ha aumentado la resistencia al. Just make sure it's actually AR500. 5°. 2. There are different types of steel, for example, AR400 OR AR500, that are produced to a specific hardness. Details. Phone: 800. Because its alloy is made from a mixture of steels, the category is more responsive to mechanical and heat treatments than pure carbon steel. sharpshooter. Abrasion Resistant steel is one of our most popular products at IBC Metal Group. It won. Hardox ® 600 has a nominal hardness of 600 HBW and a uniquely high toughness for such a hard steel. Re: AR400 compaired to Hardox 400. The . AR400, or AR400F steel, is a high-carbon. Grade. Ar400 is common, the 500 isn' as easy to find without a special order in my exsperience. Referring to the hardness properties, AR500 recorded the highest hardness at 47. 2713 posts · Joined 1999. Winco-Tuf 50 if superior to standard AR500 plate. Our cost for AR500 is about 40% higher than AR400. Haven't been able to shoot it yet. AR400, or AR400F steel, is a high-carbon. Picked up a pack of AR500 3/8" thick targets from Field & Cave and what a difference! No dents, just splash; same distance. For example, some manufacturers, like Rogue Shooting Targets, use AR500 Steel and others use milder AR400 and other milder steel versions. This specific steel has good formability, weldability, and notch toughness when in the as-rolled condition. The Brinell Hardness Number (BHN) is the technical difference between AR400, AR450, and AR500. 308 Win, along with most other common short action rifle calibers. Action Target only uses AR500 or AR550 steel be-cause they provide the perfect balance of toughness and strength for shooting. Both are alloys with excessive strength and wear resistance. Download Now. While AR450 steel is similar to AR400 and AR500, there are some variances that make each unique. Had to put two 5/8" holes in each cell to shoot foam in to fill annular space. A633 Steel Plate. 3-2 Since 148 Steel Plate & Sheet Alro Steel Metals Guide ASTM A-36 Hot Rolled Plate Typical Analysis* ASTM A-36 Carbon (C) max % 0. The hardness range for this grade is 470 BHN - 540 BHN and, like AR400, it combines through hardness and toughness benefits with superior flame. ⓘ. A preheat and interpass temperature of 250°F to 350°F is generally sufficient, (350°F to 450°F for 500BHN Plate). You might be wondering, why is it there and what does it mean? The number is referring to the hardness range of the steel. Intended for moderate wear applications, common uses include contact. 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. Staal lassen platen voor beton, slijtage plaat voor emmer, domex 400 slijtvast stalen plaat, ar500 stalen plaat, hardox 450. . AR500 Steel works for both handguns and rifles; Lower grades of steel can be. Context 2. In these terms, the AR500 is better than the T1. AR500 -A quenched & tempered, through-hardened, abrasion-resistant grade of steel plate. User NameThe Testudo Lite still accommodates both 10”x12” or 11”x14” body armor of any type. 5t can be used when bending parallel to the roll. 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. Quality steel. Originally posted by Sonora Iron View Post. The use of brackets and bolts to hold targets in place cre -. Yellow Zinc Plating : All of our products ship with strong Yellow Zinc Plating (The Gold Standard). Re: AR500 vs AR400 Steel?? AR400 = Holes at less than 300 yards. 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. AR400. A572 grade 50 steel plate is a high-strength, low-alloy plate, specified for bridges, higher strength structural duties, and light pressure vessel requirements. 1/2" AR500 will handle high velocity boattail . Owen joins me again this episode to try to poke some holes in a 5/16" plate of AR400 steel. Just make sure you buy from a reputable company. Menu. AR steel tends to come in between 235-550BHN. AR400, or AR400F steel, is a high-carbon. AR450 is not recommended for machining, but is formable. on-premise software solutions, CAD file management, compliance, and more. Hardox 450 has a yield strength of around 175,000 lbs minimum yield. The fastest way to ruin AR500 plate is to shoot it closer than 100 yards with rifles (200 if they are magnum or have a muzzle velocity over 3200 fps) OR, use of any steel core ammunition. Details. This includes differ blades and buckets, heavy machinery, and mining. Therefore, AR400 will have a lower hardness than AR500 / AR500F. I have also used ar500 on a number of heavy equipment repairs and it is real hard. They are most certainly not bullet. Therefore, AR400 will have a lower. AR400 steel is a high-carbon alloy steel that is specifically designed for abrasion and wear resistant applications. Re: AR500 vs AR400 Steel?? AR400 = Holes at less than 300 yards. 00. Note that excessive preheat may anneal the base material. AR500: This grade of steel is fabricated through heat treatment to achieve through-hardening as well as improved welding and forming capabilities. 2. Differences between AR400 and AR500 Steel PlateAR500 strikes the balance between softer AR steels, such as AR400, which can easily pit with rifle fire and harder AR steels, such as AR600, which can be brittle and crack. AR450 and AR500 are similar to AR400, the difference being a higher Brinell hardness value. . At 50ksi, a higher strength steel than A36. AR 500 Steel Plates: Heat Treated for Higher Hardness Rating. 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. This is some strong mild steel or shitty ar500Dec 14, 2022. In contrast, the cost of AR400 ranges from $400 to $650 per tonne. We use only American made AR500 steel, and specify a BHN (Brinell test for hardness) of 500 or more. . In the same manner AR400 could be used as Ar500 Steels Equivalent as well. Not all AR500 is the same, even if it has the same hardness. How to Choose the Right A656 Steel Plate for Your Project When it involves figuring out the right type of steel to meet the needs of your project, it may take time to determine between ar400 and ar500. 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. The “400” in its name indicates the Brinell hardness value. They’re fairly similar, but the AR500 steel is harder than AR400 (as the designation indicates). 최소 4배~10배의 내마모 수명을 보유한 특수강입니다. Abrasion Resisting Plate (AR, AR-400, AR-500) AR400 was designed for exceptional durability where abrasion was the primary cause of material failure. AR400 will hole at those ranges. For over 50 years, customers in multiple industries have all relied on Clifton Steel products for the durability. At Clifton, for steel to be considered AR400, the plate must measure between 360 and 440 BHN. Tensalloy™ AR400 Steel Plate is an Abrasion Resistant Steel Plate that offers outstanding wear and impact resistance. AR400; AR450; AR500; Manganese Steel; AR250; A514; Chocky Bars; 4150 Steel Bar; Scrap & Recycling. Feb 28, 2019. 5″) Ability to “Work Harden” from 470 BHN to 560 BHN. It is a high-carbon steel alloy that provides greater impact and sliding abrasion resistance by comparison. . I plan on using 1/4 Ar500 plate but am unsure of the process needed to weld this type of steel. Industries and Applications. For over 50 years, customers in multiple industries have all relied on Clifton Steel products for the durability. AR500 | AR500F Steel Plate. Similar Threads: Help! Drilling small 0. Plates are given a Brinell Hardness Number, or BHN, based on their level of hardness. . While all of these grades have slightly different chemical properties, the mechanical properties remain the same for all. 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. I have both and from my experience the AR400 is much worse. Standard stock in abrasion resistant steel includes AR400 and AR500 . [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. AR500? Regarding heavy-duty equipment and machinery, working with the right materials is important for the project. Key Differences between AR400, AR450, and AR500 While all 3 grades of erosion-resistant steel are designed to offer high resistance to wear and tear, there are some key variations among them. Much like AR450 and AR400, AR500 steel is a specific type of abrasion resistant steel. ) MIL-A 12560. User NameAR400 vs AR500 Guns & Ammo Discussion. Other AR steels are AR200, AR400 and AR500. Phone: 800. 500 also has a higher hardness. Also if your plate swings around on impact, watch out for unpredictable splashback. * Glancing impact shots – handgun rounds. AR400 has a tensile strength of 135,000 psi, while AR450 has a tensile strength of 170,000 psi. 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. The plates are spec'd to be 470 - 550 Brinell hardness. 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. AR400 steel vs T1. D. 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. Show specs in Imperial Metric. 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. 145th St East Chicago, IN 46312. There is also AR500, but its more work to weld. Hide/Show specific columns Edit. AR400 vs AR500 Guns & Ammo Discussion. It's a lot harder than regular plate. We use T1 minimum and a lot of our attachments are made from AR400 or are AR 400 tipped. 1/2” thick is the way to go for rifle targets for sure. So they said they would cut me a deal on the next. We would like to show you a description here but the site won’t allow us. 308? I have shot my 3/8" LV target at 100 with . It is a high strength alloy that is noticeably harder than mild steel, but still far from your AR400 or AR500 varieties. 16 per LB) delivered to my shop. Place target so you do not always hit the backstop only in the same place. As far as the Testudo, I own one and can’t really recommend it. . Its tensile strength ranges from 155,000 to 180,000 psi, while its Brinell hardness ranges from 360 to 440, depending on the thickness of the steel. Since so many attachments are built from mild steel, we will deal with it first. 9mm FMJ was 7. As a premier supplier of AR400, AR500, A514, Chromium Carbide Overlay, Manganese Steel, Armor Plate & More, we have a long history of providing innovative. AR250 steel plates are made for improved formability with low levels of carbon and sulphur for inclusion shape control. AR500 | AR500F Steel Plate. These elemental differences help the steel achieve a higher surface hardness. BALLISTIC STEEL. I bury my work. SLS 600 ® Induction Wear Pipe; CLIF-CLAD ® Overlay Pipe; G 2T ® Ceramic Lined Pipe; Steel Round Bars. 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. 1045 Steel Round Bars; 4150 Steel Bar;. 223 leaves very tiny peening marks. I have been using a manhole cover for my 50BMG target. 4140 steel welding, 4140 steel machining, 4150 steel properties, 316 stainless properties, ar400 properties, ar500 properties. Alloy Steels. As a result of their different chemical compositions, they have. When using a torch, move rapidly and evenly to provide a general increase in temperature. 8500. Context 2. 321. 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:. Details. AR steel tends to come in between 235-550BHN. 2100-4000ft-lbs = ½” AR500. With its 600 BHN I. I guess depends on what he means as "better". The number in the material name (e. Details. A514 AR400 abrasion resistant steel plate is a good candidate for some processing techniques. 9mm FMJ was 5. We are a Cleveland, OH based steel supplier with specialties in AR400, AR500, A514, Manganese Steel, Armor Plate, and other specialty steels. Spinners, speed racks, gongs. It has more hardness than the AR400 steel plate with good formability, good weldability, good ductility, good strength, and good impact resistance. I can quote them bodies constructed totally of 1/4" AR450 steel for 10-15% less. Hardox® 450 is an abrasion-resistant brand with a hardness of 450 bhn. Another difference is their Brinell Hardness. SSAB Abrasion Resistant Commercial Steels are designed to maximize abrasion resistance while providing good formability and weldability. ASTM A131 A&B / ABS A&B; ASTM A131 / ABS AH36 / ABS DH36 / ABS EH36; API 2H Grade 50; ASTM A633; PVQ Steel Plate. 3-0. The primary difference between the two materials is their chemical composition. Hardox ® 450 has a solid reputation as a highly versatile, abrasion-resistant steel that also has structural properties. Preheat to 150°F-300°F (66°C-149°C) in order to slow the cooling rate. A radius of 2. Used in shooting range targets, armor plating, and quarry machinery, this material is ready to provide your projects with toughness and durability. values of hardness are compiled and shown in Table 2. AR steels are a great choice to build a gate, valve or diverter if you deal with high. The spall angle range for the AR400 vs. But I guess that's comparing apples to oranges. This product is designed for applications that demand both wear resistance and impact toughness. 6% carbon), and High carbon steel (more than 0. I have a customer who is wanting me to drill and tap some 1/2-13 holes in some AR 400. Request a Quote. MIL-A 46100 (latest rev. The cushioning quality of this base metal allows it to absorb impact. boron treatment. Details. AR235/400/500 are all abrasion resistant steels, thus the AR in the name. The highest deposition rate gas-shielded flux-cored wire is E70T-1. Hey, no reason why pistoleers should have all the fun. 20 acres 25 foot deep?AR600 Armor Plates: AR600 armor plates are made from a harder variant of steel alloy than their AR500 counterparts and boast a higher hardness rating at 600 Brinell. SLS 600 ® Induction Wear Pipe; CLIF-CLAD ® Overlay Pipe; G 2T ® Ceramic Lined Pipe; Steel Round Bars. You'll thank yourself if you ever really need to use it. Another key differentiator is applications. Yields for AR500 steel are in the region of 1100 MPa with tensile strengths of about 1250 MPa. 9mm FMJ was 7. Stocking inventory includes 48″ x 96″ up to 96″ x 288″. AR500 – Understanding Abrasion Resistant Steel. Wear resistant plates from Prosaic Steel & Alloys are available in the following dimensions and certificated to EN 10204 3. It's often used as wear strips, liners, and deflector plates. Call us at 800-321-8500 for a quote. This specialized plate is designed for severe impact and abrasion applications. AR400 / 400F Abrasion Resistant Steel Plate Leeco ® Steel stocks and supplies large quantities of AR400 steel plate, which combines surface hardness with formability. While AR450 steel is similar to AR400 and AR500, there are some variances that make each unique. When a project calls for AR plate, it is generally because of the length of wear on the plate is minimized. 4140 steel properties. AR500 = AR500 is a premium abrasion. At 24 inches by 24 inches the weight goes up to 61 pounds. Each grade offers a minimum nominal hardness for use in moderate to heavy wear applications. The nickel and molybdenum content gives AR400 carbon steel the ability to resist wear better than all other carbon steel. Specifications * Chemistry may vary depending on. For that condition, AR500's higher hardness makes a huge difference. 360 to 440 BHN Typically; 430 to 480 BHN Typically. AR400 and AR500 steel. 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. 308 and . AR500 and AR600 will last longer and need to be replaced less often for projects that actually beat up the material. The plates are spec'd to be 470 - 550 Brinell hardness. General Info About AR450 / AR450F. Download our exclusive shooting targets for FREE ($47 value)Steel Warehouse supplies AR400 steel plate, sheet, and coil, specifically designed for abrasion and wear-resistant applications. Amarillo. AR500 | AR500F Steel Plate. Hardox ® 450 has a solid reputation as a highly versatile, abrasion-resistant steel that also has structural properties. Hit it with a file. Certificates with a traceable lot number are available for these. * 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. It can also deal with high impact stress regardless of the temperature. AR500 steel plate measures between 477 and 550 BHN. 2° to 7. Specifically looking at 3/8” AR500 and 5/16” Mil-46100. AR450 is an abrasion resistant plate used in a variety of. Another key differentiator is applications. The tensile strength of A514 alloy steel is specified as at least 100 ksi (689 MPa) up to a 2. 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. READ ALSO: Which is stronger AR400 vs AR500? Is there any list of general category castes in Kerala? There is no specific list of castes in General Category but caste which do not fall under SC , ST and OBC can be considered as General Category in Kerala . It has a lower hardness of 360 – 444 BHN. This increase in strength and abrasion resistance provides a greater impact and sliding resistance but will make the steel less malleable. AR400 VS AR450 VS AR500. For technical drawings and 3-D models, click on a part number. With an extra 50 HBW hardness over AR 400 grades, it provides additional wear resistance for an extended service life. 223 and . User NameAR400 | AR400F Steel Plate. . Most plate product numbers range from 200 to 500 — for example, AR 200, AR400 or AR500. * 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. I believe you can use 3/8 AR500 OK at 45 degrees. AR400 Flat Bars. This material is an Abrasion Resistant, Thru-Hardened, Alloy Wear Plate. The figures below are representative of 15mm thick AR400 and AR500 plates. If your activities call for high wear resistance levels, you should choose AR400 steel. Learn more. AR400 is difficult to form and attempting to form commodity AR500 or higher is impractical. Anything below this – AR400, etc. 02 inch diameter holes for vacuum molds; 1. 우리는 당신이 선택한 대량 핫 판매 제품을 재고 있습니다. The 1/4” AR400 works with 38sp, 9mm, 40S&W and similar cartridges.