It offers a wide array of benefits to be used in many industries. Sizes 3/4″-1 1/2″ the carbon range is (0. We then anneal the steel, which is a process of heating and cooling it to relieve stress and make it more ductile. I'm needing to machine several stepped pockets in some AR400 steel plate. 내마모강은 균일한 경도 (hardness)를 유지하도록 처리되어 S45C 열처리 강판과 비교할 때 최소 3배 ~ 10배의 내마모 수명을 보유한 특수강입니다. Material: Steel, Other. Hardness range is 360/440 BHN with a nominal hardness of 400 BHN. INDUCTION HARDENED CHROME PLATED. The Brinell Hardness number differentiates the abrasion resistant steel grades. Final surface layers obtained from the MMC powders had abrasive wear resistance up to 5. The AR400 are premium abrasion resistant steel plates that are heat-treated and exhibit through-hardening. Finish slot with 9/32 or 5/16 x 13/16 loc. LocationCentral Texas. The AR plate you’re cutting should be 3/8″ or 1/2″ thick. AR400 is a PITA and work hardens at the worse time. AR400 is heat treated when rolled to achieve the 150 kpsi yield strength. 080") 6082 - this is the finished size, and has pockets 1mm (. a variety of tasks and worksite environments and we would love to help you determine the perfect attachment for your machine. In fact, Clifton Steel’s Clif-Clad chromium carbide overlay plating can withstand even severe. Machining 2mm alu plate Hi folks, today I'm attempting to machine up a lid as part of a job we're trying really hard to get. The composition may vary from heat to heat, depending on what kind of scrap that happens to be in the hopper. AR400 steel is a high-carbon alloy steel that is specifically designed for abrasion and wear resistant applications. There are several grades of abrasion resistant steel, including AR200, AR235, AR400, AR450, AR500 and AR600. While not a good candidate for forming and machining, AR400 plate is suitable for welding. 05. Some typical industries are mining, material handling equipment, and aggregate. ASTM A572 grade 50 steel is a low-alloy high-strength structural steel with a yield strength of 50 ksi (345 MPa) and a tensile strength of 65 ksi (450 MPa). Set the amperage to 65 or 85 keeping the speed to 45 or 25 inches per minute respectively. ar 500 xar 500 xar500 nm500 nm 500 ar500 abrasion resistant steel plate. 81-99. Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS (388) M2 M2. 12 0. Length: 15. 2. 15% and below creates ductile steel with unbreakable chips. A2 will give you some more toughness and makes it a lot easier to machine when soft. S. Welding. I am planning on upgrading my cutter but I would like to know if I should before I waste some of a $611 plate! Thanks in advance!Aim Backhoe Buckets feature a durable construction with AR400 steel cutting edge and beveled AR400 steel side cutters. The 1/4” AR400 works with 38sp, 9mm, 40S&W and similar cartridges. AR400, or AR400F steel, is a high-carbon. Zr-0. Due to the large difference in yield strength between the AR400 plate and the filler material, minimizing weld restraint is critical to control cracking. Mirro-Krome 60 has an induction hardened layer that is a minimum of . These plates have good corrosion resistance properties but are difficult to machine and bend. While each grade is a pressure vessel quality high carbon low alloy steel plate, tensile strength varies among them. AR Medium steel plate grades – which include AR200 and AR235 – have a surface hardness of 180-260 BHN. A588 steel is a structural steel. So what have we learned?? Use A36 for general steel fabrication, 4140 for machining, T1, AR400, AR450, Hardox 400, and Hardox 450 for screens. •. 75 inch. When one end wears out, turn the tool around for a sharp edge. 050 feed per tooth. I tested it with 75 rounds and broke out one of the deflector plates. To roll form AR steel, we use a process called cold rolling, which is when the steel is passed through rollers at room temperature. Mangalloy is a unique non-magnetic steel with extreme anti-wear properties. As you’re drilling, be sure to use plenty of coolant to keep the drill bit from overheating. Easier to machine without cracking than other impact-resistant ductile cast iron bars, these. Will take about 5 hours overall. Leeco stocks ample volumes of AR steel plate. When deciding between the two steels, take into consideration the end application and the quantity that you will need. AR500, or. Top Posts Reddit . The steel called for is QT400 and is 50 mm thick. I have some 5/8" solid carbide endmills that i would like to try a trochodial tool path with, basically just for practice and to test this kind of tool path. AR400 steel exhibits the best performance at low oxygen regardless of the velocity. com to request a quote or price for your steel plate rolling. We also have a variety of additional cutting and metalworking equipment capabilities in house to provide additional value to our customers. They also contain 0. 25 %C Annealed 420 125 1 80-110-140. Very hard steel may not tolerate even the slightest bend, or even pressure for that matter. Primarily used for abrasion resistance to coal, gravel and other substrates. But that capability isn’t without its drawbacks. com is the easiest speeds and. These steels must be heat treated to develop their characteristic properties. It was cut out with a torch or plasma cutter and I need to mill that down to size plus a 2 inch hole in the center That goes through the plate which is about 3/4 thick. Low CEV offers easy bending, welding and machining. AIT-S-5. Call us at 800-321-8500 for a quote. Differentiators include hardness levels, application uses, and cost. Find everything you. 5 amps. the 400 in AR400) usually refers to the material hardness based on the Brinell Hardness scale. Will it cut the same as 3/8 mild steel? Sorry if the question seems stupid but never cut hardened steel before. been asked many times if it's possible for someone to drill a hole in their AR500 steel targets and I've always had to. Kromite® #3 and Mirraloy® TGP Machining Guidelines;machining conditions. AR400 is formable, to some extent. Hardox® wear plate for extreme abrasion resistance. AR400 Steel, hardened; AR500 Steel, hardened; Bearing Bronze 932 M07; Brass 260; Brass 353 H02; Brass 464 H01; Bronze 220 H02; Bronze 510 H08 (spring) Carbon Fiber;. We have seen foreign-made steel wear plate sold as AR400; test at 302 BHN hardness! Did the customer get what they paid for? No way. The only AR plate that I've personally worked with AR plate for steel rifle targets. This article is the last of a series of publications included in the MDPI special edition entitled “Innovative Technologies and Materials for the Production of Mechanical, Thermal and Corrosion Wear-Resistant Surface Layers and Coatings”. For applications requiring notch toughness, Kloeckner Metals. In addition these grades are quenched / tempered and are also certified to MIL-S-16216. The high-carbon alloy steel grades are determined on the hardness of the steel. Much like some stainless varieties or like D-2 tool steel, if you snooze - you loose. I have milled alot of aluminum and some steel mild steel but nothing like this on a CNC. 2020. It can withstand temperatures up to 1450°F and performs best in high-temperature settings. Steel Warehouse supplies AR400 steel plate, sheet, and coil, specifically designed for abrasion and wear-resistant applications. Related. Easy Speeds And Feeds only serves as a starting point and educational site. • When using more than 5XD drill ratio, reduce cutting parameters by 10%. Kromite® #3 and Mirraloy® TGP Machining Guidelines;The AR400 wear-resistant steel plate on the market is divided into thin and thick plate. Titanium Carbo-Nitride (TiCN) has a higher surface hardness versus that of Titanium Nitride (TiN). The coating maintains its hardness even. For instance, if the sheet metal to be bent is mild steel, with a thickness of 4mm and a bending length of 3. A36 steel plate has good weldability and any welding method can be used. Cobalt Steel Ball End Mills with Two Milling Ends. Associated Steel carries an excellent selection of wear products suited to meet the needs of your most demanding. Intended for moderate wear applications, common uses include contact surfaces, hoppers, cement mixer drums and fins, and shooting targets. It's often used as wear strips, liners, and deflector plates. Continued11-14% 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. Algoma recommends the followingIntroduction. The carbon content of 0. 5. We. com AR400 Steel Machining and Welding. Quenching occurs by bringing the steel to a high temperate, between 1,500 and 1,650F, then is. The datasheet given below provides an overview of AISI 1215 carbon. Alloy & Abrasion Resistant Steel Plate. We stock AR400 Wear Bars & Strips in standard sizes from 1/8 thick up to 1 thick. Thread Tools. 22 0. 28 0. AR400 | AR400F Steel Plate. AR400- better for impact applications, AR500- better for sliding applications. Contact most popular products of manufacturers, trading companies, wholesalers & exporter directly on Made-in-China. We have No Minimum Orders, We Cut to Size. 787” 3t (use 13. 0 amps is almost 700 watts, so about max hp on this machine !!!! Anyway, stalled the drive a couple of times at 3. 27. hardened surfaces, Ultima 601 becomes the ideal abrasion resistant product that can handle the rigors of extreme maintenance problems. 0625" wide by half inch deep. ASTM A514 is the standard specification for high yield, quenched and tempered alloy steel plate, suitable for welding. Whereas 400 can be between 360 and 440 Brinell, 500 is between 477 and 550. ) So lower carbon steels may pick up magnetism. AR400, or AR400F steel, is a high-carbon. Joined May 4, 2006 Location northwest ARK. The idea is a standard pair of bolt cutters modified with a pair of titanium solid bar handles (with a pry bar on one of the handles). Unparalleled Strength. I'm using an older Hurco KMB-1. It's often used as wear strips, liners, and deflector plates. AR400F is quenched and tempered through hardened wear resistant grades of abrasion resistant steel plate used for high impact and abrasion resistance. This alloy wear plate offers excellent service for applications where formability, toughness, weldability and abrasion resistance are required. Properties of AR400 Steel Plate. Email Project Specification: [email protected] (where t is the plate thickness). These Q&T plates are generally used for abrasion resistance. Grade 70 has the highest tensile strength of them all, between 485 – 625 MPa. The normalizing process is designed to relieve stresses, which results in improved ductility and toughness. There were 8 of them 2-1/2" thick, and 8 more that were 1" thick. This material is heat treated and commonly used for screens. Near-dry machining with external mist lubrication is recommended when working in steel, drilling holes deeper than five times the hole diameter, and other applications where totally dry machining is not yet. Owen joins me again this episode to try to poke some holes in a 5/16" plate of AR400 steel. AR400 is a quench and tempered steel and may be difficult to weld due its high strength and hardenability. Many of mangalloy’s uses are often limited by its difficulty in machining; sometimes described as having “zero machinability. 0 amps on the VFD drive. A good rule to know is brinell hardness divided by 2 is the approximate tensile strength. AR500 | AR500F Steel Plate. Part of the problem is that the 6-flute solid carbide countersink I bought for the job chatters like a banshee on much lighter work. 27 0. 004 low and medium carbon alloy steel 85-375 150-300 . Tool steels are usually supplied in the annealed condition, around 200/250 Brinell (about 20 HRC), to facilitate machining. 001-. SAE J2340. Machining AR400 is such a joy :( 1" Harveymill endmill. 16:14. Disclaimer: I haven't done AR500, just AR400. Griz, I have worked with and drilled material known as AR steel. West Wind Hardwood is your one-stop source for lumber and value added milling services. The strength of the 2" AR400 is a fair bump up from T-1. AR400 is what the NRA recommends for highpower silhouette targets, and from what I've seen so far, it's going to stand up to high velocity jacketed rifle bullets pretty well. dozer blade root rake, 120" wide, 1550 lbs AR400 steel NEW, USA Attachments. Experiment with larger bottom dies, which would also probably require more metal on the part sticking up on your skids (so it can bridge the larger die). ContinuedThe coating offers high surface lubricity, reduces friction, and increases chip flow. Why is Hydrogen a Concern in Welding? Welding Precautions for T-1 Steels. AR400, or AR400F steel, is a high. Question: Over the past few years my company has been striving to become a world-class competitor. I bought 1/2" & 3/4" AR400 plate for the targets from American Alloy Steel. Give us a call at 800-348-2529 or leave us a message. 003-. The versatile plates have outstanding mechanical properties that are. Meanwhile AR500 / AR500F is not formable, but shows good machinability. While AR400+ grades are the most commonly used types of abrasion resistant steel, AR Medium steel is also used for applications requiring a harder, tougher material. 25) which gives improved machining, while retaining its forming and welding properties. The names of AR plate products typically indicate the hardness of the material. AR200 steel is a medium-carbon manganese steel with moderate hardness that's supplied nationwide across our 40+ branches. 0625" cut. 8500. Excellent resistance to both impact and sliding abrasion at a moderate cost. Sounds. . 9300. Steel Machining Stainless Steel Components Stainless Steel Bar Stock. That’s why it’s the industry standard for hard-wearing, hard-working equipment. 17 0. Apex EZ Sander 37" Single Head Wide Belt Sander, EZ3760MInv. 1. 11 0. The Ar400 Steel Plate offers a good bending capability and shows enhanced resistance to impact abrasion. General Info About AR450 / AR450F. 001 fpt, kennametal harvi 4 flute . 5. In stock and ready to ship. 15-0. 3/4″ to 4″ Widths. Alro stocks metals, industrial supplies and plastics. COM presents the material machinability chart shows the machinability of metals and plastics. on-premise software solutions, CAD file management, compliance, and more. Problem #1: I need to attach titanium to high carbon steel jaws (no further information on the composition). 375” – 2. Our products cover a wide range of applications including the construction industry, shipbuilding industry, pressure vessels and boilers, oil and gas, bridge construction, offshore platforms. In my hands on experience with AR400, joints that are free to move/contract are one of the best methods for reducing cracking during welding. While not a good candidate for forming and machining, AR400 plate is suitable for welding. Custom applications can use an A-514 steel or other higher strength steel in replace of a mild steel base plate. 25%; Manganese, 1. On the Brinell Hardness Scale, the product. Lesser hold would mean easier to remove. 002-. To be classified as AR500, the hardness needs to clock in between 477 BHN and 550 BHN. AR400 + AR500 abrasion resistant plate, bar & strips. AR500 is slightly stronger (in terms of tensile strength) than 400, by about 20-25%. 005 stainless steel - 400 series 135-325 200-400 . While not a great candidate for forming and machining, AR400 plate is suitable for welding. Rigid tapping 3/4-10 in ar400 wear plates on cnc mill using a custom blended tapping oil from neucoRhino-Tuf EZ is an abrasion resistant, “thru-hardened”, AR400 wear plate. The hardness of AR500 also means the material is more rigid. J. Largest Manufacturing Technology Community on the Web. 50. Steel Representative for a quote today. (“Hold” is identified as the potential to retain the magnetism. AHL supplies Wear Resistant Steel Plate of high strength, hardness, abrasion resistant in sizes from 8-100mm thick in HARDOX 400,450,500. 75 thru tapped holes. MIL-A-46100 has good machinability capabilities. A514 steel plate is a high strength, machinable, and weldable steel that Kloeckner Metals stocks across its nationwide 40+ branches. The wear resistance of AR400 wear resistant steel plate is 15-20 times of that of ordinary steel plate, 5-10 times of that of low alloy steel plate, and 2-5 times of that of high chromium cast iron. I have a question though, I have a grapple for a Skidsteer that needs rebuilding, new pins and bushings and a new claw on one side. Over 75 locations in 15 states means high quality service and fast delivery to you. 00 - $742. General Info About AR450 / AR450F. We offer Wear Resistance steel plate , HARDOX 400 ( Sweden ) , ABREX 400 ( JAPAN ), NM 400 ( CHINA ), is a high-strength wear resistant steel plate with high hardness. Products such as shipping containers, tube coils, angles, rails, side frames, crane booms and cylinders can also be fabricated. 0 /5 · 65 reviews ·Hi, Has anyone successfully stamped AR400 steel? If so did you use P. 07 0. AR400 steel is a high-carbon alloy designed explicitly for abrasion and wear. MIL-A-46100 is a military spec armor steel plate, used in the Department of the Army, and supplied nationwide by Kloeckner Metals. Before welding, the 200mm area on either side of the reverse side of the weld will be simultaneously heated at multiple points to ensure uniform preheating temperature. 5%; Phosphorus. Too tight of a radius bend will tend to crack it on the outside of the radius, though. The AR400 are premium abrasion resistant steel plates that are heat-treated and exhibit through-hardening. How to cut manganese steel. 50. It is manufactured for many applications: mining equipment and machinery, equipment in steel mill, agricultural machinery and cement plant equipment, ,. Machine Manufacturing; Products Display Katalor Enterprise focus on carbon steel, alloy steel, stainless steel, section steel manufacturing and processing. For example, when a component with high residual stresses is machined, the material tends to move during the metal removal operation as the stresses are redistributed. ENDURA Steel Advantages. It's on an already built unit so I can't substitute another steel. Probably not reasonable with 400 parts. Countersinking this type of screw in the metal allows the screw head to rest below the surface of the metal, utilizing the full. 111. 0C1%Hf (Grade 21) Zircaloy 2 (Grade 32) Zircaloy 4 (Grade 34) Spot Welding Equip. The name AR400 steel indicates to most people the steel they are buying is 400 BHN (Brinell) hardness. We have thousands tons stock of stainless steel sheet and coil with various size and grade ,mainly include austenitic stainless steel, martens stainless steel (including precipitation hardened stainless steel sheet & coil), ferritic. T. Similar Threads: Help! Drilling small 0. 3 HRC compared to RHA at 43. The base steel around the weld rapidly heats and cools during welding, resulting. Since it’s an extremely durable and long. Taking the Difficulty Out of Working with Abrasion Resistant Steel for Auger FlightMonday, August 15, 2016. Dissimilar Metals. 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. 5t bottom die opening) Over . 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. Steel Plate Supplier-Max Wear Steel » Steel Plate Supplier: Max Wear Steel Steel Plate Specialists - Chapel Steel And this company in New York American Alloy Steel I have used all three but currently am buying from Max Wear Steel. Uses for this steel include the manufacture of heavy construction equipment. The AR400 can be cut to near finish size on a water jet. On a particular machine, the design calls for the plow to be made from 3/4-in. AR250 steel plates are made for improved formability with low levels of carbon and sulphur for inclusion shape control. I still have a hot rolled steel plate 5/8" thick I am still meaning to countersink for 3/8" flatheads. High Strength Steels. The resistance in heat and hardness allows the tool to run about 20-30% higher machining speeds than uncoated end mills. warehouse sitting on 18 acres. 0. 5" wide x 20" long 1" thick AR-400 plates that need a centered slot cut completely through them 3. Reskinned some areas wit AR400. AR400 Welding & Machining |. AR400F is. 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. WeldingAdvanced Integrated Technologies - Densities Chart For Machining Materials | A-I-T. What is ar400 steel? AR400 is a specialty steel designed at the chemical level for improved wear resistance for very specific applications. Welding AR400 steel also requires some expertise, as the steel is prone to cracking and warping if not soldered. However, this comes at a cost—AR400 steel tends to be much more expensive than mild steel. It's on an already built unit so I can't substitute. We have No Minimum Orders, We Cut to Size. 7 times that of abrasion-resistant reference AR400 steel. Posted April 20, 2007. AR500 is a high-strength, low-alloy steel that offers great weldability, formability, and toughness. Kromite® #3 (4140/4150 mod. The Ar400 Steel Plate can be customized according to the requirements of the clients and is highly demanded across several industries. BLUE AR500 is not recommended for forming, given its high strength and hardness —however forming can be done. Our knowledge can make the difference between a successful machine and a costly one. What Is Ar400 Steel ?. At minimum, we use Grade 50 steel (50,000 PSI minimum yield strength) for all of our root rake grapples. So, AR500 is an Abrasion Resistant Steel. Hardox makes Hardox 400, Hardox 450, and Hardox 500 so the steel has the. in order to minimize target damage. AR steel tends to come in between 235-550BHN. While grade 304 stainless steel is fine for most other applications, type 304 stainless steel is cheaper and easier to fabricate. James Lederer Hot Rolled. Contact. The "AR" in AR400 Steel stands for "Abrasion Resistant". AR400, The only reliable steel supplier of Rhino-Tuf® EZ Wear Bars, abrasion resistant AR400 wear bars and wear strips. 315” thickness offered in 48”-81” wide cut to your requested length. HEIDENHAIN Forum - HEIDENHAIN develops and manufactures linear encoders, angle encoder, rotary encoders, and CNC controls for rigorous positioning tasks. 9300. Machining something requires applying a lot of little rapid hits to something - this is just what you need to make something magnetic. 3% brings the best machinability rate. Hardox® 450 combines good bendability and weldability with an possibility for assured impact toughness (Hardox® 450 Tuf). Due to its extreme hardness, AlgoTuf 500 is rarely machined. The actual chemical composition of 1018 steel is 98. 187) & possibly 1/4" (. Contact. AR 400 plate. 04 0. We're limiting bullet weight to around 107grs. AR400 abrasive resistance steel plate is intended for higher, impact, wear applications where cold-bending and very good weldability is important. Our innovative approach means you get the benefit of state-of-the-art technology coupled with personal. AR400 is a very hard abrasion resistant steel used for rock truck beds and other high wear items. the 400 in AR400) usually refers to the material hardness based on the Brinell Hardness scale. The highest deposition rate gas-shielded flux-cored wire is E70T-1. AR235 / AR200 / AR Medium. 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. Why countersink A Screw? A countersink screw, like a flat head socket cap screw for example, has a taper that is largest at the head, with its size reducing gradually until it reaches the threaded shaft of the screw. Our selection of high quality machinery provides you with an easy and convenient way. This is a high-carbon alloy steel that is perfect for rugged applications that require high wear resistance. Likes: 0. We are an industry leader of value-added services supporting a vast customer base of end use markets. ASTM A514 (T1) isn't the worst material in the world, that distinction goes to AR500 :eek: We use tons of T1, much of it needing some ops in the machine shop. Phone: 800. 2200 RPM @ 25 ipm. 9300. High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25. 25 0. Another thought might be a blade insert that's seriously hard, with the bulk of everything else made from standard materials. abrasion resistant, but am not sure it was a 400 designation. AR500 is a quenched & tempered, abrasion-resistant grade of steel plate. The Carbon content of AR400 steel is only 0. A514 steel is available in a variety of chemistries: B, E, F, H, Q, and S. Small quantities of molybdenum, chromium, nickel, aluminium, and copper are present in these steels. I'm needing to machine several stepped pockets in some AR400 steel plate. In addition to its general characteristics of being formable, while maintaining good abrasion resistance, AR400 steel also has the following. Capabilities include custom machining, saw. Much like AR450 and AR400, AR500 steel is a specific type of abrasion resistant steel. AR400: 360-440 BHN This material is commonly used for bed liners, wheel loader buckets, hopper liners, and is commonly used for grinder screens. For example, some manufacturers, like Rogue Shooting Targets, use AR500 Steel and others use milder AR400 and other milder steel versions. It’s often referred to as Hadfield steel, or Hadfield grade, as Sir Robert Hadfield discovered it in. 8-0. steel and cast steel, free cutting steel < 0. Steel Weight Calculator used to estimate the weight of steel in squares, rectangles, flats, rounds & hexagons. As you can see, the mechanical and chemical properties of 1018, the machinability, and the surface finish of 1018 steel are all superior to A36. 21 0. It is a high-carbon steel alloy that provides greater impact and sliding abrasion resistance by comparison. Abrasion-resistant steel is a high-carbon steel with greater hardness properties than low-carbon steel. Heat will affect steel based on the composition of that steel and relative to the past thermal processing that steel has undergone. All machinability ratings are based on Carbon Steel 1212 = 100%. Material available up to 100mm thick, lengths up to 12000mm and widths up to 3000mm;While manganese steel guarantees wear and work hardening properties, it is non magnetic, making it ideal for use in electrical transformer assemblies and for industrial lifting magnets. Quenching & Tempering. Back when the shop would mill out cores and cavities by burying a slow and heavy tool deep in the steel, flooding the job with coolant made a lot of sense. -thick AR400 and the hinges to be made from 3/4-in. We have seen foreign-made steel wear plate sold as AR400; test at 302 BHN hardness! Did the customer get what they paid for? No way. Phone: 800. Tap or Call: +1 (800) 237-0113. AR450 is not recommended. Much like AR450 and AR400, AR500 steel is a specific type of abrasion resistant steel with a surface hardness of 477-534 BHN. Drilling, countersinking, counterboring, tapping, milling, and general machining is performed with conventional equipment and carbide tools. When it comes to high-quality alloy steel products, Ameralloy Steel Corporation is a leader in the industry. Hardness range is 360/440 BHN with a nominal hardness of 400 BHN. Machining = Fair. Heat Treatment of Tool Steels. (AR400) Wear Plate; Rhino-Tuf® EZ (AR400) Wear Bars;. The mfg of the plate y o have would be the best place to start. Abrasion resistant steel fends off wear and tear better than almost any material, making it especially ideal for auger flighting. Machining AR400 steel plate. I've used it to make silhouette targets for our shooting range. 5 pounds. Machining.