It also allows the processor to greatly improve the dimensional tolerance of the product being made. 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. Since it’s an extremely durable and long. 33 and varies based on the dimensions or any customizations of the grade. With steel, you get all these features and could pay roughly $75 to $125 less per plate than ceramic. AR500F has can resist more impact than AR500. However, SSAB has two UHH armor steels designated ARMOX 600T and ARMOX ADVANCE that meet this hardness criteria. Unlike common abrasion-resistant plate, which focuses on hardness alone, the unique, rich chemistry of Mangabraze develops work-hardening toughness as well, to resist. Strength. High carbon steel – High carbon steel, also known as tool steel, has a carbon range between 0. 따라서 바위, 모래, 석탄, 광물의 적재시 주는 충격이나 미끄러지면서 가해지는. The “AR” in AR500 steel actually stands for Abrasion Resistant, while the number, in this case 500, indicates the Brinell Hardness Number (BHN) which falls within 460-544 for most AR500 steel. 5” as traditional ceramic body. Hardox ® 600 has a nominal hardness of 600 HBW and a uniquely high toughness for such a hard steel. Ar500 target steel plates vs a36 mild steelWebsite is a naturally occurring substance found in many types of rock. NM500 Steel Properties. 1. 1. It's the grade of the plate. Specifications. AR450 VS. CALL TOLL FREE 1-888-564-7904. Used by industries such as mining, forestry, quarrying, and construction. Hardox 500 is a bendable and weldable abrasion-resistant steel, with a nominal hardness of 500 HBW. AR550, however, is slightly harder and is generally considered acceptable to use with rifles. Chambered in the . the AR-15 rifle. Characteristics and performance. MIL-DTL-46100 REV E. 50%. 25% carbon, some chrome, molybdemun, and manganese. Level III plates built with ceramics normally do very well against both types of 5. 8 KB] This fact sheet answers the most frequently asked health questions (FAQs) about manganese. our company is a professional ASTM A573 Grade 70/A573 Gr. This is a low-grade stainless steel, known in the automotive industry as “muffler stainless” because that is what it is commonly used for. Mirro-Krome 60® (I. 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. We shot two M2AP rounds. Suitable for applications that demand higher wear resistance. The lines allow for improved control of product, quicker response time, and the ability to offer special heat. With a hardness range between 477 – 550 BHN, AR500 is known for its toughness and excellent wear resistance, along with exceptional fatigue and corrosion resistance. 62x54R. Let’s take a look at the differences between AR500 and mild steel. This increases its strength and pliability though it’s. Stainless Steel – An alloy of steel, chromium and manganese produces a corrosion-resistant metal with yield strength of up to 1,560 Mpa and a tensile strength of up to 1,600 Mpa. We keep more than NM500 vs ar500 1000 tons ASTM A573 Grade 70/A573 Gr. It would be best to water jet the plates so no heat get into the edges and changes the heat treat properties at the edges. AR500 Steel. We use it to sight-in at 1100 yards to ensure shooters will be on-target at 1000 yards during match competition. Overview. Min Order: 6 tons. . Mirro-Krome 60® (I. AKA XAR AR500 Same as AR400, except hardness of approx. AR600 steel is a durable high-carbon alloy steel with excellent strength that’s supplied nationwide across our 40+ branches. AUSTENITIC-MANGANESE STEEL CASTINGS — SPECIFICATION ( Fifih Revision ) 1 SCOPE This standard covers the requirements for austenitic manganese steel casti rigs. #3. Send us an Email sales@titussteel. Buy Steel Plate Stock – Including Bisalloy, Hardox, & Strenx Steel Plate Products When you need to buy steel plate for your next construction project, no matter how big or small, you can trust Australian Steel to be able to meet your requirements. AUS-8 Steel - Has . the "Anaconda" was especially challenging. Manganese does not have a special taste or smell. AR500 steel is an alloy made primarily of iron, with small amounts of carbon and other elements. With a hardness of 60 HRC it is a rock-solid type of stainless steel with a high carbon-content of approx. P. 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. 05. It is also used in ballistic armoring for personnel. However, we did hit the same cavity which was already. AR400F is quenched and tempered. When in comparison with diamond, however, titanium doesn’t come shut in energy or hardness. 1-888-564-7904 . Laser cut AR500 steel has 1. It is a high-carbon steel alloy that provides greater impact and sliding abrasion resistance by comparison. Quality steel. AR500 VS. 4% Carbon. AR500 | AR500F Steel Plate. AR500; Manganese Steel; AR250; A514; Chocky Bars; 4150 Steel Bar; Scrap & Recycling. H. Challenge No. Manganese boosts the tensile strength and the hardenability of the steel. You're looking at about $430 for two steel plates, multicurve, with extra coating, plus tsg sleeves, and shipping. ) Shaft; Close; Metric Metals; Fabrication Services. These two factors make it one of the strongest, most durable forms of steel available today. For this testing, I am using a 0. Chapel is one of the vendors that makes this stuff. That combo will take up to 50bmg FMJ (steel core) and all those you mentioned at 50 yards or less. MIL-A-12560 high strength armor plate is specified by the Material Technology Laboratory, Department of the Army, and is available to all departments and agencies of the Department of Defense (DOD). Manganese steel is an alloy of iron and manganese, typically containing between 11 and 24 percent manganese. 2″ -> 1. In addition these grades are quenched / tempered and are also certified to MIL-S-16216. The subsequent grade would be an alloy called 4340. 2) SA516 Gr 70 plate. 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. The most famous of these steels is the 1095 steel, which is a popular option for many budget knives. $430 to make steel useable, but even heavier, or $540 or so for hesco L210's, or TSG LevIII+ lightweight polyethelyne, or levIv RMA's. 62x51/5. AR400 vs AR500 steel plates are two of the most popular abrasion resistant steel plates in the world. And as far as steel being loose in the pocket, with these and trauma pads, there will be no movement in the pocket. 50%: A good dose of this helps boost the steel’s hardenability and wear-resistance. 4%: That’s not much manganese, but it does reduce the chances of ending up with brittle stee. 938045. The "F" in AR500F denotes formable. 50% carbon content. It only knocks off the paint. P. Its most common use is armor and it’s corrosion-resistant and holds up exceptionally well to extreme wear and impact. Visual detection method can achieve online high-speed detection for the Hardox 450 vs ar500 steel plate. This alloy has high strength and excellent corrosion. aggregate, and various ground engaging applications. Additionally, AR500 may be less widely available than S7, as it is used primarily in niche applications. Introducing the ABREX TM Series. Fourth, the performance of manganese steel plate is. 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. What is the difference between AR400 and AR500 steel? The Brinell Hardness number differentiates the abrasion resistant steel grades. On the other hand, AR500 is ideal due to its high levels of resistance and. 56x45mm or a round of 7. At Clifton, for steel to be considered AR400, the plate must measure between 360 and 440 BHN. The 18" stainless steel barrel has nitride inside and out for longevity and ease of cleaning. AR550 and AR600 plates of the same size would be lighter due to their increased thickness and hardness. Some of its key properties include: 6. 2 per kg in Malaysia. More options from $19. One of the most significant differences is their hardness level. 1 Cast. Excellent toughness. 70 carbon manganese silicon steel plates steel price, please do not. Manganese Steel Composition. 1-800-745-3962 [email protected] Q&T Plate Grade. Manganese steel is an alloy composed mainly of iron (Fe) and manganese (Mn). In these terms, the AR500 is better than the T1. 25 inch and 1 inch. And if it does, it happens only when exposed to extreme impact wear. Armor. When compared with AR400 steel , AR500’s increased surface. Manganese steel contains about 13% manganese. This type of steel provides. Hardox has high toughness and tensile strength and can handle a wide range of extreme. The company states that its steel armor is significantly harder than traditional steel and. In the case of AR400 steel plate, 400 is the plate’s nominal hardness, and it has a hardness range of 360 to 440. Have a look at our machinability rating graph which without a doubt will make your decision a lot easier with its incredibly detailed information. The ar 500 plate price starts at $2. This innovative grade is mainly dedicated to severe sliding wear conditions in service for applications where conventional water quenched steels (500HB, 550HB,600HB), overlay plates or hard-cast parts are traditionally implemented. com; Get a Quote . Our enhanced in-house heat treat lines produce quenched and tempered armor steel plate. Below are the details. These elemental differences help the steel achieve a higher surface hardness. 4140 steel properties. 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. PDF Version [91. . Titus Manganese will work harden from 280 BHN to 550 BHN—which is an increase in hardness of over 200%. 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. AR700. Alloying elements allow the steel to be heat treated to obtain stronger physical properties. The 10xx steel series is notable for its significant carbon content. While military grades of steel come with some chemical guidelines – such as a maximum carbon weight percentage of 0. Heat Treatment of NM500. Its semi-auto action is perfect for big and dangerous game hunters, and it offers the maneuverability and customizability inherent in the AR platform. This video shows a . Manganese steel is much tougher than carbon steel when heated. Carbon Steel ASTM A500 is a slightly higher carbon and manganese content plain carbon steel than 1020. 62x39/7. This fact sheet is one in a series of summaries about hazardous substances and their health effects. A little thicker but lighter when compared to coated AR500 steel. Minuteman. 5 rounds of 7. AR stands for abrasive resistant. I run an AR500 plate from a well known target manufacturer here on. The A2 body armor from Armored Republic is thin, low-profile, and low-weight- giving you maximum mobility without compromising stopping power. 1) Can be multi-hit capable. The initial penetration values were quickly thrown together to make a playable game. 5” to 6” thick. ) Shaft; Mirraloy® HCP (C. 5 yrs CN Supplier . ) Wear Pipe; Rhino-Klad™ Clad Plate – Chromium Carbide Overlay; Workwear™ 14 (11-14% Manganese) Wear Plate & Wear Bar; Close; Chrome Bars. I've also heard horror stories of case-head separation that nearly took the shooter's head of. Contact Clifton Steel, specializing in wear and impact resistant metals. 3. 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. Most people aren’t really all that familiar with AR500 steel, even though it’s widely used in many industries. Dynamic Armor 46100® (Dynamic MIL-A-46100) is a high hardness ballistic steel plate product that is available in thicknesses from 3/16” through 2” (4. The much heavier versions, especially centered caliber model guns would require something stronger. Witness the quotes listed below from steel suppliers around the. As noted above, all you should have on AR500 plate is a very small divot about the since of the head of metal stick pin with . In fabrication and construction, the composition and grade of the steel plate materials used have a tremendous effect on the end product. 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. MIL-DTL-12560 Rev K. AR500 steel plate measures between 477 and 550 BHN. Speak to an expert metallurgist today to see how we. Manganese Steel Properties. NM500 steel is typically produced in sizes that range from 8mm to 200mm thick, while AR500 steel is typically produced in sizes starting from 10mm and going up to 160mm. AR400 steel falls between 360 BHN and 440 BHN, whereas AR500 steel falls between 477 BHN and 550 BHN on the Brinell Scale. AUS10A Steel Hardness. Both grades generally contain high amounts of carbon and manganese to improve hardness and. A514 >2. 65%. However, the properties of this type of steel give it a tendency to easily rust if not oiled and deliberately cared for. (L3 = 1 round of 7. Hankev is an industry leader in depth, breadth, and availability, serving over 1000 customers worldwide. It is designed to withstand thousands of. Manganese steel is non-magnetic and is less likely to rust than carbon steel. It is used for its somewhat greater strength while still having good ductility. ENDURA is a unique wear resistant steel that does not require Annealing, Normalizing, or Stress Relieving. When compared with AR400 steel, AR500’s increased surface hardness allows it to outperform in certain high-abrasion applications. The Brinell Hardness number differentiates the abrasion resistant steel grades. This difference in hardness might not be noticeable upon the first few rounds of shooting, but AR550 will have more long-term durability. Dec 14, 2022. Enhances machinability by integrating with sulfur to form a soft inclusion in the steel, enabling a consistent built up edge along with a place for the chip to break. We provide the Industry's Best Abrasion & Impact Resistant Steel. Chapel is one of the vendors that makes this stuff. A514 >3/4” to 2. As supplied, most manganese is furnished at a hardness of 225 to 250bhn. Wrap bar with a cloth and carefully hit it with a hammer. It's the fast moving stuff, especially from barrels longer than 16", that can penetrate it. Re: 223 v 308 on steel I think I will have to agree with Ballistic on this one. Whereas 400 can be between 360 and 440 Brinell, 500 is between 477 and 550. The Highcom "AR1000" (maxkek) is rated for M193 at 3300 fps -- which is far beyond what anything made by AR500 Armor can take -- and it's also lighter than any steel plate made by AR500 Armor. View Profile View Forum Posts View Articles Senior Member Join. Since 1971 we have provided personal service and steel fabrication expertise to a variety of industries including military, aggregates, mining, steel, glass, paper, scrap recycling and railroad. SR500 is a new type of ballistic protection steel specifically designed for use in targets, ranges and other armor applications. Primarily used in military applications, but also in areas where high strength is required as both grades have elevated yield strengths (HY 80 – 80ksi, HY 100 – 100ksi). 5 lbs. 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. 05%-0. This specialized plate is designed for severe impact and abrasion applications. On average, a 10×12-inch AR500 steel plate weighs about 8-10 pounds. This level of hardness makes it ideal for use in applications where heavy wear is expected. Mangabraze. There isn't a lot of information other that it's hard and tough. Superior protection. AR500 and AR550 are both designed to withstand many rounds of shooting. AISI 4340 steel exhibited the highest elongation at 20. In fact, manganese steel is often used in high-impact applications where its ability to withstand heavy blows is essential. 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. With a tensile strength of 247 ksi and a minimum yield of 187 ksi, it provides extraordinary Oct 7, 2021 | Steel Products Manganese steel is a steel alloy containing 11-14% manganese. H. Their suitability comes from their distinctive hardness, resistance to abrasion and deformation, and their ability to hold a cutting edge at elevated temperatures. If you need abrasion or wear-resistant steel materials, give us a call and. The hardness range of AR500 is between 470 BHN and 550 BHN, making it more brittle than AR400. Standard plate sizes that are 48" x 96" and 60" x 120". The difference in penetrating ability between the calibers only really presents itself in actual AP rounds, where 7. To give the best comparison I u. 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. type ammo between 50-100 yards with no issues, even some at a 1/2" gong at 25 yards, BUT the pitting is the concern and most definitely 100 yards is the safe distance. 내마모강 (AR400,AR500) 2018. ATS Series: ATS 34 Steel - This steel is very similar to 154 CM. AR400 vs AR500 steel are two popular types of abrasion-resistant steels used in various industries. AR500 steel plate is made of high-strength, low-alloy materials, including carbon, manganese, silicon, and small amounts of other elements. If the steel was fixed or hanging I'm willing to bet it would have nearly penetrated. 500 also has a higher hardness. Compounds. Cladding wear plates are more wear resistant because the cladding plate is made of an alloy to improve wear resistance. Excellent toughness. A514 >2. The Mang-312 weld wire is formulated to weld dissimilar products such as manganese to Carbon Steel. 6% carbon), and High carbon steel (more than 0. Dynamic Armor 46100® (Dynamic MIL-A-46100) is a high hardness ballistic steel plate product that is available in thicknesses from 3/16” through 2” (4. 4140 steel properties. 62 Tokarev, 3/8” or 1/2” plate will stop most 308 and 5. The Hardox 450 vs ar500, wear-resistant steel plate has good impact properties:The wear-resistant steel plate has a double-layer metal structure. SAE steel grades. Like all types of steel, this alloy is highly impact resistant and scores mid-range on the Mohs scale. It has a carbon content of 0. Due to its high strength and wear-resistance abilities, A514 is typically used in applications such as construction equipment – like cranes – and large, heavy-load machines. It is through hardened. It has a lower hardness of 360 – 444 BHN. This contributes to AR 500 steel plates being used in shoots and conveyors, where there is more sliding abrasion. AR500 Steel Physical Properties. It a superior alternative to AR500 plate because of its minimum hardness guarantee of 500 HBW. 56 M855/SS109 (Green Tip) at a velocity of 2,780 FPS. The “AR” in AR500 steel actually stands for Abrasion Resistant, while the number, in this case 500, indicates the Brinell Hardness Number (BHN) which falls within 460-544 for most AR500 steel. 308 WIN. 00” thickness offered in standard sizes (96” x 240”/288”) Steel Warehouse supplies AR450 Steel Plate, which is an abrasion-resistant steel with a unique surface hardness. 31% carbon. 035% (Max) Copper: 0. With M33 you should be ok at extended ranges. 21 – 0. The Ar500 STEEL PLATE EQUAL GRADE is GB NM500 steel plates. 2. 1. 60% carbon, and high-carbon steel contains more than 0. It will stop m855 green tip, etc. 85 g/cm3. 9") and will. WINCO-TUF 50 Quenched and Tempered, High Alloy Steel Is Intended Specifically for Applications Requiring a High Degree of Abrasion and Wear Resistance. 19 votes, 24 comments. For example, ENDURA AR 430 has an initial hardness of 430 BHN but, as it withstands impacts, it will harden up to 560 BHN. It has excellent wear resistance and superior impact resistance, making it an ideal choice for applications that require strength and durability. AR500 steel is mostly iron (as is any steel), with 0. high manganese steel electrodes and fluxes for submerged arc welding. 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. They can differ in thickness depending upon thAt 200 yards nothing but some magnum varmint rounds should be able to pit ar500, unless you're running a lot of steel core. AR500 is more of a carbon and manganese alloy. This material will work-harden in service up to 550BHN hardness. Manganese: 1. Mills use a hardness test – the Brinell Test – to determine the category. A529-50 Grade Steel. 62x54R Military Surplus 147 grain steel core rounds on our off the shelf Level III 10" x 12" Plate at just 30 rounds! All 5 rounds of 7. It is necessary to ensure excellent metallurgical quality, not only to ensure accurate chemical composition, but also to have high purity. Details. But too much will significantly reduce the ductility. The AR400, on the other hand, only has a Brinell hardness rating of 360 to 440. A633 is high-strength low alloy. Tasker, M. Drinks cans are made of an alloy of aluminium with 1. I have my own range with dozens of steel targets. 1. 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. 5% manganese, and small amounts of silicon, phos. 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. AR500 is the toughest of the 3 varieties of abrasion-resistant steel, with a minimum hardness level of 500 at the Brinell scale. 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. Details. In comparison to other hard types of steel you can easily sharpen. Manganese: 1. These grades are used in highly abrasive environments within the mining, cement, aggregate, and various ground engaging applications. Finally, titanium is brittle and can shatter as opposed to distorting. For instance, if you need high hardness that is deeper and more uniform, you could add Nickel to the 4140. It is tempered and designed to be abrasion resistant, which makes. This curved armor plate has our durable FragLock™ coating and is especially mobile at just 5. 55% carbon. 26”. Hardox ® 550 is a genuine alternative to wear parts made of manganese steel. If your activities call for high wear resistance levels, you should choose AR400 steel. Normally I don't think derby applications are going to benefit from the increased tensile strength of t1. 62x39mm with PS mild steel core projectiles. Can You Roll Form AR sheets? Due to the steel’s extreme hardness, AR500 plates are very difficult to form. The main differences are hardness and strength, achieved through varying levels of carbon and manganese. WINCO-TUF 50 is the cost-effective choice for parts. Great for most people. A529-50 offers an increased yield and tensile strength over A36 with less weight and a thinner profile. ToxFAQs™ for Manganese. AR450 steel is a high-carbon steel alloy that has a surface hardness between 400-477 BHN. Hammer Pins & Tie Bolts;AR500 steel is a type of abrasion resistant steel that has a high surface hardness. That extra 1/8” from 3/8->1/2 makes a huge difference in rifle durability. Why Hardox 550 beats 12% manganese steel and 500 Brinell steel in wear parts. 12-14%Mn austenitic manganese hot rolled steel plate. However, steel plate can be purchased in sizes as large as 120" x 480". How many types of Hardox 450 vs ar500, pipeline steel are there? At present, pipeline steel can be divided into the following four categories according to microstructure. Body Armor and Vest . Hardox 500 increases payload and increases service life while maintaining good processability and toughness. 25”-0. What's the differences between MIL-A-46100 armor vs AR500? ANSWER: First of all, MIL-A-46100 is a military grade, whereas AR500 is an Abrasion Resistant grade. 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. Not all steel targets are created equal; anything softer than AR500 and AR550 can deform with repeated impact. Google [YOUR AMMO] +Ballistics or look on. Since it’s an extremely durable and long. Though these two grades have similarities, the key difference between the. . Hold a magnet up to an LS Industries blast cabinet. AR400: 360-440 BHN. Clifton Steel provides prompt delivery of railroad wear liners, coupler wear plates, shims, and other railroad wear parts. 01%. It can be welded with a lowWe call the formula FragLock™ and we’re proud to announce that it is the new standard for all of our steel body armor plates. Action Target can also provide through hardened steel targets and other steel products with certified Brinell hardness ratings of 550 and even 600. Not a single model. 500 Auto Max. Mangabraze. Manganese steel is more expensive than carbon steel. The weight of steel armor varies depending on the thickness and size of the plate. They possess unique properties that make them suitable for applications requiring resistance to wear and tear. In this video a half(1/2") inch thick, 9"x8" Armor Plate is shot with . 95% to 1%. AR400 steel falls between 360 BHN and 440 BHN, whereas AR500 steel falls between 477 BHN and 550 BHN on the Brinell Scale. AR500 steel has a hardness rating of around 500 HBW, making it highly resistant to surface abrasion and penetration. 321. 40-0. AR235 is a high carbon and manganese, abrasion-resistant steel. June 30, 2015 0:00 CEST 5 min read. Running a raw steel plate isn’t the same as wearing an AR500 Armor® plate coated with FragLock™. 70 carbon manganese silicon steel plates steel in stock every month. 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. Aluminium 6082 is stronger than 7075 in tension, while 7075 is stronger in compression. T1 Steel vs AR500. BONUS: Shoot better. 30% manganese, while low-carbon variants consists of less than 0. It's primary application is for high abrasion environments (AR means abrasion resistant), but it is also a great steel for targets. A common trademark in the United States for hardened steel is AR500. Abrasion resistant steel is typically used in applications requiring high wear resistance, including backhoe buckets and teeth, bulldozer blades, dump truck beds, ore and coal. Multicurve AR500 levIII+ plates with extra coating end up being $177 a piece without shipping. It also reportedly makes the steel easier to sharpen. 223 at 100 yards. On the Brinell Hardness Scale, the product. $30. 11-14% (Hadfield) Manganese Impact Steel. Hardox ® 600 has been successfully used in cement. Combat robots tend to utilize AR500 as their choice for weapon material or armor because it strikes the perfect balance of toughness and hardness.