2. The hot rolled steel is drawn through a sequence of reducing dies or rollers that cold-work the steel into a strand hardened form, improving mechanical properties. 187) & possibly 1/4" (. AR500 and AR600 will last longer and need to be replaced less often for projects that actually beat up the material. 2 per kg in Malaysia. The normalizing process is designed to relieve stresses, which results in improved ductility and toughness. Google [YOUR AMMO] +Ballistics or look on. It is also called Hadfield steel after its 1882 inventor Sir Robert Hadfield of Sheffield, England. AR400 VS AR450 VS AR500 he technical difference between AR400, AR450 and AR500 is the Brinell Hardness Number (BHN), which indicates the material’s level of hardness: AR400, AR500, AR400 wear bar, AR400 wear plate, AR500 wear bar, AR500 wear plate, Chromium Carbide Overlay plate, 11-14% Manganese, Wear Pipe, Call now for free quote! Phone: 800. Our main products are impact resistance 11-14% Manganese steel plate/bar, wear resistance Plate AR400, AR450, AR500, Military Armor 12560/46100 and A514 (T1 steel), A572. No matter what the steel plate thickness or the grade, we’ll have whatManganese Steel castings can be made by any of the conventional steel-making methods, however the Electric Arc Melting Furnace process is the most common. Its resistance to wear is astonishing, as it resists heavy wear, slide wear, and rub wear. Ultima™ 501 is furnished at a maximum hardness to resist severe abrasion and moderate impact. Some 3/8″ thick AR500 steel targets are rated for . Tacticon Armament’s AR600 10×12 can weigh as little as 6. 30% manganese, while low-carbon variants consists of less than 0. 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. AR400 Steel, AR500 Steel, A514, Manganese Steel, Armor Plate + More. Adding up to 0. Now when I drill like that, I use steel targets for my pistols, and cardboard IDPA targets for the close-range carbines (under 50 yards). The AR steel grades include: AR200, AR235, AR Medium, AR400/400F, AR450/450F, AR500/500F, and AR600. It's the fast moving stuff, especially from barrels longer than 16", that can penetrate it. H. However, this increase in strength and abrasion resistance will make the steel less malleable. That automatically rules out some materials. 5″) Ability to “Work Harden” from 470 BHN to 560 BHN. 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. 9 = Silicon – Manganese Steel. 223 and 5. Mirro-Krome 60® (I. The “AR” in AR500 stands for “abrasion resistance,” and the “500” signifies itsBrinell Hardness Number (BHN). 223 at 100 yards. The following are the key benefits of manganese as an alloying element: An active deoxidizer. Re: 223 v 308 on steel I think I will have to agree with Ballistic on this one. Reduce plate thickness up to 25% vs AR 500 (ie. The steel vs. 5% manganese, to improve resistance to corrosion. Manganese is a transition metal with a multifaceted array of industrial alloy uses, particularly in stainless steels. AR400, AR500: Other Grades:. . Hardox ® 550 is a genuine alternative to wear parts made of manganese steel. Specifications Specifications AR400 / 400F AR450 / 450F AR450 / 500F Hardness (BHN) 400 (360 min. AR400F is quenched and tempered. Birchwood Casey World Of Targets Qualifier Spinner Rimfire Target. Plus, we’ve included a separate table on the shear strength of steel when heated, so you can make informed decisions about material selection and processing. AR500 steel plate measures between 477 and 550 BHN. 4140 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. Manganese steel is non-magnetic and is less likely to rust than carbon steel. Specifications. Steel Warehouse can supply the following sizes of AR500 Steel: . They will take a beating for years!weldwade, STOP!! That is a waste of AR500!!!!! I used to make gongs and silhouettes for target shooters out of that and scrap Hardox drops from mines and fab shops. T520 or AR500 or Armor plate is a heat treated alloy with hardness about 470-521 Brinell. And Mn16 belongs to high manganese steel, is a widely used wear-resistant steel, wear-resistant and impact resistant. 62x51mm NATO M80 ball, 5. 1-888-564-7904 . If the steel was fixed or hanging I'm willing to bet it would have nearly penetrated. For sliding wear, it usually stays at a moderate hardness of 400-450 HBW. About . Action Target only uses AR500 or AR550 steel be-cause they provide the perfect balance of toughness and strength for shooting. An 80,000 minimum yield grade used in construction areas where added strength is a concern. PDF Version [91. 28-0. Hardox has high. Since 1882, manganese steel has been the prime choice for a wide variety of applications requiring wear. With a hardness of 60 HRC it is a rock-solid type of stainless steel with a high carbon-content of approx. AR500 and AR550 are both designed to withstand many rounds of shooting. Be careful about brackets welded on the back of any target. The most common Manganese is known as Hadfield Manganese, invented by Sir Robert Hadfield in 1882. AR400 vs AR500 steel are two popular types of abrasion-resistant steels used in various industries. Whereas 400 can be between 360 and 440 Brinell, 500 is between 477 and 550. 56, but with most target ammo you have to shoot well over 150 yards away to avoid pitting the steel. 30% to 0. 50W steel is a low alloy, high-strength steel that is predominantly made up of carbon, manganese, silicon, and a few other elements. Specific steel grades (AR400 / AR450 / AR500) in various sizes are available for mining, cement, aggregate and related applications. AUS10A Steel Hardness. 00%. The degree of sensitivity varies depending on the type and content of alloy elements. Conclusion: When choosing between manganese steel and carbon steel, there are some. Ease of processing compared to conventional 500 BHN. Aluminium 6082 is stronger than 7075 in tension, while 7075 is stronger in compression. May 9, 2021 | Steel Products. AR550 steel is one of the more abrasion resistant steels available. To give you an idea of the difference between. 3. Subgroups- low/mild carbon steel (up to 0. Suitable for applications that demand higher wear resistance. AR500 VS. 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. So will solid copper projectiles, at fairly close range. AR500 steel has a hardness rating of around 500 HBW, making it highly resistant to surface abrasion and penetration. The steel is just big. We provide the Industry's Best Abrasion & Impact Resistant Steel. It also resists wear and abrasion better than other metals, making it the perfect choice for frequently used machinery parts or components that are exposed to extreme conditions. AR500's first few runs were awful, a single hit would expose half the plate. Reduce plate thickness up to 25% vs AR 500 (ie. This is what Clifton Steel is known for and what makes us a leader in the abrasion resistant, impact resistant, and wear resistant steel markets. The wear resistant layer of NM500 wear resistant plate is mainly made of chromium alloy, and manganese, molybdenum, niobium, nickel and other alloys are added. Drinks cans are made of an alloy of aluminium with 1. 5″) Ability to “Work Harden” from 470 BHN to 560 BHN. When in comparison with diamond, however, titanium doesn’t come shut in energy or hardness. To give you an idea what it might cost I can typically truck 500-1000 lbs for $200-300 anywhere in the country. The steel is. Carbon Steel ASTM A500 is a slightly higher carbon and manganese content plain carbon steel than 1020. The 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. Used by industries such as mining, forestry, quarrying, and construction. If I told you it machines just like 12L14 would you believe me? Creusabro®Dual is an advanced abrasion-resistant steel with high titanium content (0. The prices of steel products keep fluctuating based on supply and demand. Smith and George E. Brinell Hardness Number (BHN) : AR200/AR235/AR Medium: 180-250 BHN. Hardox ® 550 is a genuine alternative to wear parts made of manganese steel. 1. Since it’s an extremely durable and long. This level of hardness makes it ideal for. Minuteman. 005% (Max) Chromium: 0. It features a tensile strength of 225 ksi, yield strength of 200 ksi, and an elongation property of 12 percent. 6%). AR400 steel falls between 360 BHN and 440 BHN, whereas AR500 steel falls between 477 BHN and 550 BHN on the Brinell Scale. 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. Level 4, M2AP. 20%; 2) Add manganese-based alloying elements; 3) Adding auxiliary elements such as niobium, titanium or vanadium: a small amount of niobium. Like all types of steel, this alloy is highly impact resistant and scores mid-range on the Mohs scale. Typical applications are material chutes, material moving parts, truck. Its semi-auto action is perfect for big and dangerous game hunters, and it offers the maneuverability and customizability inherent in the AR platform. The Hardox 450 vs ar500, wear-resistant steel plate has good impact properties:The wear-resistant steel plate has a double-layer metal structure. 3% carbon by weight. AR235 is a high carbon and manganese, abrasion-resistant steel. Clifton Steel is the leading supplier of AR400, AR500, A514, Manganese Steel, and Armor Plate. Ultima™ 501 (AR500) Wear Plate; Ultima™ 601 (600 BHN I. 02-27-20, 15:17 #7. 12-14%Mn austenitic manganese hot rolled steel plate. We keep more than NM500 vs ar500 1000 tons ASTM A573 Grade 70/A573 Gr. 1: Welding an AR plate to itself or any structure with dissimilar and softer or lower-strength steel In this scenario, the biggest challenge is cracking, which could occur in the weld metal or heat-affected zone (HAZ) of the. AR550 and AR600 plates of the same size would be lighter due to their increased thickness and hardness. AR400 is a high-carbon alloy steel commonly used in mining, forestry, and construction. AR500 is specifically designed for wear and impact resistance while maintaining its corrosion resistance. 6 pounds. 035% (Max) Silicon: 0. Bar Fabrication Services; Plate Fabrication Services; Close; Technical Data. And if it does, it happens only when exposed to extreme impact wear. 40%. Here is an experiment to try. A lot of people talk about ar500 and ar600, but those are industrial nomenclatures, and not actually steel chemical standards. AR steel tends to come in between 235-550BHN. A633 Steel Plate. Despite the extra buildup coating (sold separately) to mitigate “spalling”, it only lasts a few rounds or less if you get a ricochet, and it’s not easily replaceable. About . But the second ricocheted off to the side. Valast® 450 :125” - . It’s important to note that ordinary carbon steel rails don’t have this advantage; they are much more susceptible to. I've hit it with 800 grain Barnes LRS and Lehigh 510-170 808 grain solid brass, it plates the surface gold-colored. 01%. We keep more than NM500 vs ar500 1000 tons ASTM A573 Grade 70/A573 Gr. In terms of 556, AR500 steel armor will defeat most everything except XM193 at close ranges. One of the most notable differences between 6082 and 7075 is their strength. In fact, manganese steel is often used in high-impact applications where its ability to withstand heavy blows is essential. Min Order: 6 tons. This can be an advantage because they are easier to cut, weld, and fit. 3 lbs. Additionally, mild and t1 tend to bow out under use, ar400 and ar500 tend to bend inward. Generally, NM500 vs ar500, carbon wear-resistant steel plates are not sensitive to high temperature tempering brittleness, while binary or multi-element alloy steels containing chromium, manganese, nickel, and silicon are very sensitive. Structural steel can be divided into: alloy structural steel. This is the best steel for targets that I know of. 0C1%Hf (Grade 21) Zircaloy 2 (Grade 32) Zircaloy 4 (Grade 34) Spot Welding Equip. 7 - 1: Phosphorus : 0. 5” to 6” thick. General Info About MIL-A-46100. Quality steel. 00. . The actual mixture of steel, chromium and other minerals varies, depending on the grade of stainless steel. 4000-10000ft-lbs = ⅝” AR500. It is tempered and designed to be abrasion resistant, which makes. Material Machinability Chart - Machinability of Metals The metal with a machinability rating smaller than 100% means it is more difficult to machine than B-1112 (carbon steel 1212) and materials with a rating. The common delivery status of Hardox 450 vs ar500, SA516 Gr 70 plate is as follows: 1) SA516 Gr 70 plate quenching: the process of rapid cooling after heating to the temperature above the phase transformation point. Aside from the typical metals used to form steel, manganese is added to the mix to create this type steel plate. The number of electrons in each of Manganese's shells is [2, 8, 13, 2] and its electron configuration is [Ar] 3d 5 4s 2. In the case of AR400 steel plate, 400 is the plate’s nominal hardness, and it has a hardness range of 360 to 440. Aluminum manganese alloys: 3A21: Annealed: 70～100: 110～145: 19: 50: 71000: Semi-cold hardened: 100～140: 155～200: 13: 130: Aluminum-magnesium alloy Aluminum. 1-800-745-3962 [email protected] Shipping; Home;. A633 Steel Plate. AR500, or AR500F steel, is a high-carbon. The answer is GB standard Nm500 Nm450 Nm400 steel plates. The best steel targets for . Manganese steel contains about 13% manganese. Rings better as well. This video shows a . Perfect for industrial and structural needs. Post by mopderbyproducts onSep 15, 2017 at 9:11am. AR200 VS AR400 vs AR450 vs AR500: AR steels are governed by a level of hardness, but not a specific chemistry. Manganese steel also resists heat, and maintains its elasticity in temperatures up to 1130°C, making them perfect for. Running a raw steel plate isn’t the same as wearing an AR500 Armor® plate coated with FragLock™. 25x the tensile strength of AR400, as well as a higher yield strength and tensile modulus. 56 are made of AR550 steel and 3/8″ or 1/2″ thick. 25” to . Chapel is one of the vendors that makes this stuff. AR-500F is ideal when prolonged service life where abrasion is the primary cause of failure. Manganese steel is. General Info About AR600 AR600 is the most durable abrasion resistant steel plate. The application will determine whether you want an AR400 or AR500 wear-resistant steel plate. Tungsten – With the highest tensile strength of any. Similar to the annealing process, the steel is heated to a temperature just beyond the critical point (again, the AC3 line) and held for a set period of time. 40% carbon and 4150 has a . Renowned for its high impact strength and resistance to abrasion in its hardened state, the steel is often described as the ultimate work hardening steel. This is extremely strong and is used for railway tracks, safes, rifle barrels and prison bars. The Brinell Hardness number differentiates the abrasion resistant steel grades. It is designed for high wear applications and is often used in the mining or material handling industries. 35% C1020 Hot Rolled Plate C1045 Hot Rolled Plate A-36 is a structural quality carbon steel used in a variety of general construction applications including; bolted, riveted, or welded construction of bridges and buildings. The difference in penetrating ability between the calibers only really presents itself in actual AP rounds, where 7. Among the most notable things about the AUS10A steel is its hardness. ) Wear Pipe; Rhino-Klad™ Clad Plate – Chromium Carbide Overlay; Workwear™ 14 (11-14% Manganese) Wear Plate & Wear Bar; Close; Chrome Bars. This will handle . ) Shaft; Mirraloy® HCP (C. AR500 vs AR550 vs AR600 Body Armor. AR600: 570-625 BHN Typically (less common, but available)S7 tool steel is generally more expensive than AR500 due to its high-alloy composition and specialized manufacturing processes. These plates are curved and have dimensions of 10″x12″. A lot of people talk about ar500 and ar600, but those are industrial nomenclatures, and not actually steel chemical standards. e. WINCO-TUF 50 Quenched and Tempered, High Alloy Steel Is Intended Specifically for Applications Requiring a High Degree of Abrasion and Wear Resistance. However, we did hit the same cavity which was already. It has an incredibly high tensile strength, allowing it to be used as armor plating to protect against high-velocity impacts. 3 TERMINOLOGY 3. 5” as traditional ceramic body. 005” (0. Check out for the best AR500 steel targets. A53 pipes are thinner than A500 steel pipes. NM500 VS AR500. The smelting of NM500 vs ar500, spring steel is very important. 15-0. As a result, customers can expect longer-lasting wear parts in some of the toughest applications. It is used for its somewhat greater strength while still having good ductility. AR250 steel plates are made for improved formability with low levels of carbon and sulphur for inclusion shape control. 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. AR500 Steel Plate: 3/16" - 2 "48" - 96 "96" - 480" AR600 Steel Plate: 3/16" - 3/4" 48" - 96 "96" - 480" Wear resistant steel plates Hs Code. In this case, Ar500 is preferable in the competition of Ar500 Plate vs. In summary, both S7 tool steel and AR500 are high-quality steels with exceptional strength. These grades are used in highly abrasive environments within the mining, cement, aggregate, and various ground engaging applications. [2] This allows mangalloy to retain its toughness . The AR400, on the other hand, only has a Brinell hardness rating of 360 to 440. 5. Applications include bottom plates for lifting magnets, wear shoes on electric brakes, etc. I've used it to make silhouette targets for our shooting range. The A2 body armor from Armored Republic is thin, low-profile, and low-weight- giving you maximum mobility without compromising stopping power. Workwear 14 is a true austenitic 11-14% manganese steel (Hadfield Steel) product. 13mm), of the specified size. 25 inch and 1 inch. Let’s take a look at the differences between AR500 and mild steel. Quenching: Heat to 820-850°C, quench in oil or water. AR500 Steel Plate Sizes. That’s an increase in hardness of 30%. AR500/AR500F is a premium quenched and tempered plate through hardened war resistant grades of abrasive resistant steel used for military and ballistic purposes. AR550 and AR600 plates of the same size would be lighter due to their increased thickness and hardness. This material will work-harden in service up to 550BHN hardness. This AR plate is medium-carbon manganese steel with a moderate hardness of 212-255 Brinell Hardness. Not all steel targets are created equal; anything softer than AR500 and AR550 can deform with repeated impact. 62x39mm with PS mild steel core projectiles. Metal Target. This type of steel provides excellent strength and durability while also being cost-effective. Alloying elements allow the steel to be heat treated to obtain stronger physical properties. Request a Quote for A514 Steel Plate. 35% (Max) Phosphorus: 0. 4% manganese to increase hardness while reducing the carbon content to 0. 5” thick. t1 is normally used for things like lowboy trailers. ENDURA Steel Advantages. AR500F has can resist more impact than AR500. All of our products are maintained at very low impurity levels, making them well suited to welding and formability. On average, a 10×12-inch AR500 steel plate weighs about 8-10 pounds. In fact, Clifton Steel’s Clif-Clad chromium carbide overlay plating can withstand even severe. 30% carbon, medium-carbon steel consist of 0. 9300 Request a Quote AR200 VS AR400 vs AR450 vs AR500: AR steels are governed by a level of hardness, but not a specific chemistry. To give the best comparison I u. The hardness range of AR500 is between 470 BHN and 550 BHN, making it more brittle than AR400. 7075 Aluminum Black Nitride. 25%, the manganese content is around 1. Hold a magnet up to an LS Industries blast cabinet. Titus Manganese will work harden from 280 BHN to 550 BHN—which is an increase in hardness of over 200%. Hammer Pins & Tie Bolts;ENDURA, the Unique Wear Resistant Steel. . Mangalloy is made by alloying steel, containing 0. And as far as steel being loose in the pocket, with these and trauma pads, there will be no movement in the pocket. Manganese, 0. Here is an experiment to try. . Manganese steel has no equal in it ability to work-harden. 4140. WINCO-TUF 50 is the cost-effective choice for parts. 56 threats, though M993 might penetrate. You figure it out, AR500 stands for Abrasion Resistant 500 Brinnell! Converted, that's about 51 Rc. The material is very resistant to abrasion and will achieve up to three times its surface hardness during conditions of impact, without any increase in brittleness which. China United iron and steel limited produce ASTM A36 steel sheets and steel plates. 05%;. 5% manganese, to improve resistance to corrosion. If you go up to level III+, you get the following additional protection: 7. Tacticon Armament’s AR600 10×12 can weigh as little as 6. Manganese was first isolated in the 1770s. Absolutely none of AR500's soft armor or steel plate is NIJ certified. It will stop m855 green tip, etc. The ABREX Series features 3 standard options of abrasion resistant steel plate in addition to 2 extra tough options – a product range capable of meeting a variety of needs. 17 - 0. 62x54R fire from a PSL fails to penetrate, and all fragmentation and spall is fully contained with our. Re: AR500 vs AR400 Steel?? AR400 = Holes at less than 300 yards. Manganese steel is more expensive than carbon steel. Let’s start off with the pros of steel since it’ll be short. This fact sheet is one in a series of summaries about hazardous substances and their health effects. The hardness range of AR 500 is between 470 BHN and 530 BHN, making it more brittle than AR 400. Whether you’re content to capture some of the frag and deflect the rest safely away with our base coat, or you. ATS 55 Steel - This steel does not have the vanadium that is present in both ATS-34 and 154-CM. These forms (called compounds) are. 04 max:8 = Nickel – Chromium – Molybdenum Steel. The wear-resistant layer and the base material are metallurgically bonded. A514 steel plate is a high strength, machinable, and weldable steel that Kloeckner Metals stocks across its nationwide 40+ branches. ER70S-3 . Most hard body armor plates on the market are going to be either AR500, AR550 or AR600. 338 LM has massive amounts of energy. A radius of 2. S7. If the Manganese has work-hardened in service (such as may likely be encountered in repair jobs), cut away the hardened surface. AR500 steel is an incredibly durable material used in snowplows, tanks and rock crushing machines. To be fair, AR500 does sell exactly two plates which are NIJ certified- a polyethylene level 3 plate, and a level 4 ceramic. At 300, you might want to go to the 1/2". Scope. Of the wide variety of compounds formed by manganese, the most stable occur in oxidation states +2, +6, and +7. Whereas 400 can be between 360 and 440 Brinell, 500 is between 477 and 550. 11-14% Hadfield Manganese Steel is a nonmagnetic, impact resistant steel that is generally used for applications that are subjected to high levels of impact and hammering. It’s often referred to as Hadfield steel, or Hadfield grade, as Sir Robert Hadfield discovered it in 1882. The much heavier versions, especially centered caliber model guns would require something stronger. What is ar500 steel? AR500 steel plate is chemically similar to AR400 steel plate, except the hardness range is higher and it has more carbon and manganese than AR400. S ome of the nice things about steel core body armor is that it can withstand multiple hits in the same area of the plate. Example: A Lemond Zurich (DF) boasts a Reynolds 853 sticker on the frame. 1. MIL-A-46100. As a high strength Carbon Manganese steel, ASTM A529-50 can be easily welded, and its ductility and durability make it a common option for bending and stamping projects as well as heavy duty applications. It means that ar500 isn't actually a steel alloy, but just a market-friendly way of describing a certain type of steel that has been exposed to certain heat treatments. Hammer Pins & Tie Bolts;AR500 steel is a type of abrasion resistant steel that has a high surface hardness. . AR stands for abrasive resistant. A529-50 offers an increased yield and tensile strength over A36 with less weight and a thinner profile. AR400F is quenched and tempered through hardened wear resistant grades of abrasion resistant steel plate used for high impact and abrasion resistance. Cladding wear plates are more wear resistant because the cladding plate is made of an alloy to improve wear resistance. H. If your activities call for high wear resistance levels, you should choose AR400 steel. Granted it is 1/2" AR500, so not alot will screw that shit up. AR500 is overall much more durable, though for weapon use it tends to blunt much easier. The Mang-312 weld wire is formulated to weld dissimilar products such as manganese to Carbon Steel. Fourth, the performance of manganese steel plate is. For extreme applications & media being processed, Clifton can also supply Cheek Plates in Tensamang™ (11-14% Hadfield Grade Manganese Work Hardening Steel) & Clif-Clad® Chromium Carbide Overlay, machined complete to your custom request. General Info About A656. Abrasion resistant (AR) steel plate is a high-carbon alloy steel plate. NM500 Steel Properties. Compounds. Zr-0. 2. This is a low-grade stainless steel, known in the automotive industry as “muffler stainless” because that is what it is commonly used for. Differentiators include hardness levels, application uses, and cost. (T)he AR500 Pistol. This type of steel is often used in mining. Higher degree of carbon content in fine martensitic structure of RHA and AR500. Also ar500 level 3 won't stop all 556 roundsDepends on the caliber, 1/4” AR500 will stop most handgun bullets except 44 Magnum and 7. 024” thick or 24 gauge piece of 304 stainless. Heat Treatment of NM500. Regardless, it wasn't designed to be used for body armor or personal wear. Spirit Metals offers plates in all sizes and alloys, as. 3. AR450 is not recommended for machining, but is formable. A ar500 wear plate has a minimum tensile strength of 225,000 ksi with a minimum yield strength of 190,000ksi. Save with. If you have been looking for the best option for a bulletproof vest, you probably have come across the affordable option of AR500 or AR550 Steel Core Armor plates. 1. Heat treating is used to improve forming and welding capabilities and to exhibit through hardening. Origin: NM500 is a Chinese standard (GB/T 24186) for wear-resistant steel, while AR500 is an American standard (ASTM A36/A36M-08) for abrasion-resistant steel. ENDURA is a unique wear resistant steel that does not require Annealing, Normalizing, or Stress Relieving. AR500 steel has a hardness rating of around 500 HBW, making it highly resistant to surface abrasion and penetration. AR stands for abrasive resistant. 1-800-745-3962. Manganese steel can resist impact significantly longer than high carbon steel. Any need in HARDOX 500 vs ar500 ASTM A573 Grade 70/A573 Gr.