0 amps on the VFD drive. ”While not a great candidate for forming and machining, AR400 plate is suitable for welding. Welding. To roll form AR steel, we use a process called cold rolling, which is when the steel is passed through rollers at room temperature. AR450 is not recommended. The rough edges on the plate should be removed by grinding. The plasma cutter I am using can cut up to 3/8". Shooting at steel targets can be dangerous and caution must be taken to ensure safety. You can cut AR500 steel using a plasma cutter and a properly tuned table. The low carbon content means it's as hard as it's going to get when you buy it. steel and cast steel, free cutting steel < 0. 0 /5 · 65 reviews ·Hi, Has anyone successfully stamped AR400 steel? If so did you use P. 내마모강 (AR400,AR500) 2018. Finally, once you’ve reached the desired depth, remove the drill bit and clean up any debris. Learn about 1045 steel properties like 1045 steel yield strength. Easy-to-Machine W1 Tool Steel Bars. Useful when using prehard 4140 Steel or 316 stainless steel. Many of mangalloy’s uses are often limited by its difficulty in machining; sometimes described as having “zero machinability. Good evening guys, I have a couple of skids I need to weld some hardfacing onto. This material is characterized by a smooth, dark scale finish with a hardened surface. 8 times greater wear than mild steel. A514 Steel Plate: Low carbon and sulfur levels, strong, and easily machinable. Speak to an expert metallurgist today to see how we. It can be readily cold formed. High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25. Those are malleable and brittle. Chicago also has consignment programs offered for plates and parts. Posts. D. AR400F is supplied in the quenched and tempered or as-quenched condition. $2,935. Differentiators include hardness levels, application uses, and cost. Conclusion: Machining titanium and stainless steel have strengths and weaknesses, making them suitable for different applications. 75" can be cold bent to minimum inside bend radius of 3t (where t is the plate thickness) with the bend axis transverse to the rolling direction. AR400. That’s why it is used in wheel covers, electrical enclosures, and general steel. AR400 Steel Machining and Welding. D2 is a pain to machine, soft and hard! I suppose induction. AR400 is made for improved formability with low levels of carbon and sulphur for inclusion shape control. Mild steel simply doesn’t have the strength to enable modern excavators or other machines to perform at their full potential. It is important to choose the Ar400 Plate Supplier wisely- who will use high quality raw material and advanced technologies in the production process and offer the products at a competitive price. It is a high-carbon steel alloy that provides greater impact and sliding abrasion resistance by comparison. It has more hardness than the. AR500 | AR500F Steel Plate. Summary. Ar400 Plate is usually tempered and quenched using ingots or steel blocks. Not only is ballistic steel strong, but it is also flexible, durable, and can be morphed into a wide variety of necessary items. The harder a steel becomes, the more. Input these figures into the calculator above (remember the units are in mm), and we get a value of 106. ASTM A514. AR400 | AR400F Steel Plate. Different grades and types of bolts, and I would guess the structural steel erectors are more likely to properly, fully torque a bolted connection than any typical machine/mechanical application, unless specifically controlled. Dec 2007. In fabrication and construction, the composition and grade of the steel plate materials used have a tremendous effect on the end product. The nickel and molybdenum content gives AR400 carbon steel the ability to resist wear better than all other. Directions. Need some help with ar400 plate weld procedure. The other part of the problem is that I have yet to procure a magnetic drill press. It has more hardness than the AR400 steel plate with good formability, good weldability, good ductility, good strength, and good impact resistance. ContinuedThe coating offers high surface lubricity, reduces friction, and increases chip flow. For instance, you can. Likes: 0. Thread Tools. AR400 is a type of steel plate. In this article, the production of abrasion-resistant steel plate is described and the differences between hardness levels are studied. Re: Welding AR plate ? Mechanically cleaning the weld joint [remove mill scale and rust to bright, shiny metal] and about an inch from the expected weld toes and keeping the heat input [HI Joules= Voltage*amperage*60/TS in IPM)at 35000 to 40000 joules to manage the cooling rate is much more inportant than preheat. We have AR400 and AR500 angle in stock!AR400 is a quench and tempered steel and may be difficult to weld due its high strength and hardenability. Place the Ar500 steel on a stable work surface. 1. The hardness and general flexibility of AR400 steel plates give them versatility. Some attachment manufacturers use A514 in. There are several grades of abrasion resistant steel, including AR200, AR235, AR400, AR450, AR500 and AR600. steel titanium stainless nickel monel inconel waspaloy hastelloy type teflon nylon phenolic glass filled az,am,ez,ze,hk 2021 thru 6061 101-707 834-978 gray ductile malleable 1005-1029 1030-1055 1060-1095 10l45-10l50 12l13-12l15 41l30-41l50 4140-4150 4140 (35 hrc) 8617-8622 m1-m6 h10-h19 d2-d7 a2-a9, 01-07 w1, w2 m-50, 52100 ti-9ai-6vForming. We then anneal the steel, which is a process of heating and cooling it to relieve stress and make it more ductile. Easy-to-Machine Carbon Steel. Middletown services the New England & tri-state area including upstate NY, Delaware, Maryland and parts of Pennsylvania. See more posts like this in r/Machinists. Cutting speeds greater than Algoma’s recommendations can cause rapid tool deterioration. AR400 is quenched. AR400 is a very hard abrasion resistant steel used for rock truck beds and other high wear items. Medium Carbon and Alloyed Steel 1040, 1140, 4340, 8640 ≤ 250 5374 200 0. The hardness of AR500 also means the material is more rigid. Materials such as AR400 and AR500 can be tricky to work with, and many grinding and machining shops do not have the expertise or equipment to work with these rigid materials. The diameter of the resulting permanent impression in the tested metal is measured and the Brinell Hardness Number calculated as. heavier gage steel may require high capacity sophisticated equipment that has built-in protections for the machine operator. 8500. AR400 steel is designed for abrasion and wear-resistant applications. 18" compaction wheel for 7000-12500 lb machine. 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. AR400 steel is a high-carbon alloy steel that is specifically designed for abrasion and wear resistant applications. Also need to machine to OD to a specified size and then mill a step in it to a smaller. Due to its high hardness, the steel is difficult to cut and shape and requires high-speed tools and cutting fluids. Abrasion-resistant steel is a high-carbon steel with greater hardness properties than low-carbon steel. The high-carbon alloy steel grades are determined on the hardness of the steel. . For instance, if the sheet metal to be bent is mild steel, with a thickness of 4mm and a bending length of 3. Bending = Good. The base steel around the weld rapidly heats and cools during welding, resulting in a heat affected zone (HAZ) with high hardness. Oct 21, 2021 #8 52 Ford said: Heres something talking about welding AR400. M. 0040 0. 9300. 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. Welding. 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 is a type of steel plate. NITRONIC® 30 is an excellent grade to replace AR400 as an abrasion steel, abrasion corrosion resistant, abrasion stainless. Understanding its characteristics will make it easier for you to determine if it's the right type of metal for your specific project. AR500 | AR500F Steel Plate. 18. This material is characterized by a smooth, blue-grey-red finish with a hardened surface and while not a good candidate for forming and machining AR200 plate is suitable for welding. Apex EZ Sander 37" Single Head Wide Belt Sander, EZ3760MInv. Product Representatives. Allows fabrication including bending, as well as welding. 0015 0. Quenching occurs by bringing the steel to a high temperate, between 1,500 and 1,650F, then is. In addition, recoating is needed after every regrind. Speed and Feed Calculator for Drilling and Milling,easyspeedsandfeeds. AR400: This steel provides a high degree of hardness and strength because of its quenched and tempered chrome-moly, boron treatment. values of hardness are compiled and shown in Table 2. 001 fpt, kennametal harvi 4 flute . Rhino-Tuf® EZ (AR400) Wear Bars; Redi-Rail® (Formerly Kromite® CD60) Custom Wear Rail; Ultima™ 501 (AR500) Wear Plate;. Stocking over 50,000 Shapes, Sizes, Types and Lengths of Steel, Aluminum, Stainless, Brass, Copper, Cold Finish Steel, Tool Steel and Alloy Steels among our network of warehouses, at Wholesale Prices. We are an industry leader of value-added services supporting a vast customer base of end use markets. 9% chromium gives it a lot more hardness and abrasion properties than low carbon steel has. A high surface hardness from your coating is one of the best ways to increase tool life. Compared to E70T-4, they offer slightly lower deposition rates of up to 30 pounds per hour, but they offer a smoother welding arc and Charpy impact toughness properties. 25 Dia. 001-. Murfreesboro. 5. Complete Ameralloy Catalog. Low-carbon steel: 133 BHN: AR400: Abrasion Resistant: 360-440 BNH: AR500: Abrasion Resistant: 470-540 BNH: MIL-46100: Military Grade: 477-534 BNH:. Here is my contact: Mark Ermigiotti Max Wear Steel Company President 215-340-1552 Office 215-380-3812 Cell. Therefore, AR400 will have a lower hardness than AR500 / AR500F. AR400: 360-440 BHN This material is commonly used for bed liners, wheel loader buckets, hopper liners, and is commonly used for grinder screens. 18250 Miles Avenue. However, this increase in strength and abrasion resistance will make the steel less malleable. I'm using an older Hurco KMB-1. New Ar400 Steel Plate products manufacturing in China, with stylish and cool design emerge. However, this increase in strength and abrasion resistance will make the steel less malleable. 27 0. Mostly due to the heavy hone or land at the cutting edge necessary to survive . Request a Quote. 00 - $742. Thermodes (Hot-bars) ACF BONDING EQUIP. Quenching occurs by bringing the steel to a high temperate, between 1,500 and 1,650F, then is. Description: Jergens Ball Lock® Standard Subplates are equipped with (4) 20mm Ball Lock® Face Mount Receiver Bushings for use with 14" x 14" (350mm x 350mm) or 16"x16" ( 400 mm x 400 mm) fixture plates. the 400 in AR400) usually refers to the material hardness based on the Brinell Hardness scale. Therefore, AR400 will have a lower hardness than AR500 / AR500F. This plate product is intended for use in applications where a good balance of formability, weldability,. 030-. Phone: 800. Use A36 for general steel fabrication, 4140 for machining, T1, AR400, AR450, Hardox 400, and Hardox 450 for screens. Finally, once you’ve reached the desired depth, remove the drill bit and clean up any debris. More Info. Context 2. Here CNCLATHING. Our selection of high quality machinery provides you with an easy and convenient way. Steel Warehouse stocks abrasion resistant steel in plate, sheet, and coil in the following grades: AR200, AR400, AR450, & AR500. 0030 0. CF Metals premium grade of these products are 360 and 400. Amarillo. abrasion resistant, but am not sure it was a 400 designation. Steel is made in numerous forms that suit various functions. Additionally, there are much different load considerations. You would want to use AR400 steel if your activities will need high wear resistance levels. Keep the “torch-to-work. AR400F is a through-hardened, abrasion-resistant plate with a nominal hardness of 400 HBW. Mild Steel Sheet Black AR400 is a flat shaped sheet of AR400 Black Mild Steel. 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!. Due to its extreme hardness, AlgoTuf 500 is rarely machined. By continuing to browse this site you agree to our use of cookies. Countersunk holes can be precisely produced by EDM (Electrical Discharge Machining). Use steel targets at your own risk. These plates have good corrosion resistance properties but are difficult to machine and bend. When one end wears out, turn the tool around for a sharp edge. The base steel. Chapel Steel is one of the nation’s largest distributors of carbon, high strength, abrasion resistant and specialty grades of steel plate. Rhino-Tuf EZ is different from commercial grade wear plates. , 2015). The Brinell Hardness number differentiates the abrasion resistant steel grades. 5%; Phosphorus. (same as for mild steel) to minimize the heat affected zone. In addition these grades are quenched / tempered and are also certified to MIL-S-16216. On a particular machine, the design calls for the plow to be made from 3/4-in. Derrick V. AR400: 360-440 AR450: 430-480 AR500: 460-544 AR600:Placentia, CA Distributor* $1 - 4. Easier to machine without cracking than other impact-resistant ductile cast iron bars, these cast iron bars contain a high amount of ferrite. BHN = Brinell Hardness Number. The Calculator divides the results into 3 sections. It has the wear resistance and highly polishable surface needed to fabricate long-lasting molds and dies. When it comes to high-quality alloy steel products, Ameralloy Steel Corporation is a leader in the industry. Sometimes the amounts for certain elements can change depending on the thickness of the AR400 steel plate. We have No Minimum Orders, We Cut to Size. US $550-2300 / Ton. 010+ FPR Maximum SFMWhat are you machining these on? Try something similar to garr vrx , 9/32 x 7/16 LOC to rough with. Because there are no industry guidelines or standards for wear plate, it can be any hardness at all. AR400: 360-440 BHN This material is commonly used for bed liners, wheel loader buckets, hopper liners, and is commonly used for grinder screens. 75 thru tapped holes. Largest selection of AR400F steel plates at wholesale prices. Most but not all feed mills use double negative geometry which are notorious for rubbing the part. With better heat and wear resistance than high-speed steel, these cobalt steel end mills can run at higher speeds and provide better performance on hard material, such as iron, hardened steel, titanium, and tool steel. 321. Metals Depot - America's Metal Superstore is your complete supplier for industrial metals worldwide. Kromite® #3 and Mirraloy® TGP Machining Guidelines;1. 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. It’s a power hog. ASTM A514 is the standard specification for high yield, quenched and tempered alloy steel plate, suitable for welding. 27. As with other abrasion resistant steels, it does not have a defined chemistry, but rather, grade is determined based on. 0 amps is almost 700 watts, so about max hp on this machine !!!! Anyway, stalled the drive a couple of times at 3. Stocking distributor of metal alloys including steel angles and abrasion resistant (AR) plate. Alro’s on hand inventory is unmatched in the industry in both variety and quantity. 375” – 2. AR400 abrasive resistance steel plate is intended for higher, impact, wear applications where cold-bending and very good weldability is important. The tensile strength of A514 alloy steel is specified as at least 100 ksi (689 MPa) up to a 2. Ideal for horizontal machining centers or multiple pallet machining centers. Contact. In carbon steel, the carbon content is King. 26% iron, 0. Abrasion resistant steel, available in 400/450/500 Brinell, offers enhanced wear properties. A36 steel plate is considered a low carbon, or mild, steel, meaning it contains a carbon composition of between 0. The steel is inside Earth's magnetic field. Much cheaper. 0C1%Hf (Grade 21) Zircaloy 2 (Grade 32) Zircaloy 4 (Grade 34) Spot Welding Equip. This avoids having to machine the holes as you are having to do. Why is Hydrogen a Concern in Welding? Welding Precautions for T-1 Steels. General Info About A572. Tools must have a lubrication coat (possibly on top of a hard coat) to reduce the problem of built-up edge. Forming: 1. The Ar400 Steel Plate can be customized according to the requirements of the clients and is highly demanded across several industries. Disclaimer: I haven't done AR500, just AR400. You can find hardness levels for AR400, AR450, and AR500 on their respective pages. High Strength Steels. I'm needing to machine several stepped pockets in some AR400 steel plate. Material: Steel, Other. Due to the large difference in yield strength between the AR400 plate and the filler material, minimizing weld restraint is critical to control cracking. AR450 steel is a high-carbon steel alloy that has a surface hardness between 400-477 BHN. BHN = 2 P / (π D (D - (D2 - d2)1/2)) (1) where. The nickel and molybdenum content gives AR400 carbon steel the ability to resist wear better than all other carbon steel. General Product Description AR400F is a through-hardened, abrasion-resistant plate with a nominal hardness of 400 HBW. I still have a hot rolled steel plate 5/8" thick I am still meaning to countersink for 3/8" flatheads. 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. Hardox® wear plate for extreme abrasion resistance. Steel Machining Stainless Steel Components Stainless Steel Bar Stock. 002-. AR360 / AR400. The names of AR plate products typically indicate the hardness of the material. The cushioning quality of this base metal allows it to absorb impact. The chrome plate is a minimum of . 12 0. 내마모강은 균일한 경도 (hardness)를 유지하도록 처리되어 S45C 열처리 강판과 비교할 때 최소 3배 ~ 10배의 내마모 수명을 보유한 특수강입니다. Metals like Hardox, Inconel, Stainless Steel and Armor plate are notoriously hard to drill or machine. Will it cut the same as 3/8 mild steel? Sorry if the question seems stupid but never cut hardened steel before. 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. hardened surfaces, Ultima 601 becomes the ideal abrasion resistant product that can handle the rigors of extreme maintenance problems. The following is a general guideline: the lower the carbon range of the steel, the greater the degree of potential magnetism and the lesser degree of hold. starbolinSuggested inside Radii for 90 degree bends for various thicknesses expressed in terms of “t” where t = material thickness. Our Heavy Duty Rakes are built with ½” top-quality steel and are rated for 50-70 HP machines. 0625" wide by half inch deep. AR500 is slightly stronger (in terms of tensile strength) than 400, by about 20-25%. Welding Tensalloy™ has excellent weldability and can be welded with. It's on an already built unit so I can't substitute another steel. steel and cast steel, free cutting steel < 0. 3% brings the best machinability rate. hot rolled ar400 steel plate price. Learn More . There’s really no single specific chemical composition for AR400 steel, as long as it meets the required hardness level. Stocking over 50,000 Shapes, Sizes, Types and Lengths of Steel, Aluminum, Stainless, Brass, Copper, Cold Finish Steel, Tool Steel and Alloy Steels among our network of warehouses, at Wholesale Prices. Intended for moderate wear applications, common uses include contact. AR400 abrasive resistance steel plate is intended for higher, impact, wear applications where cold-bending and very good weldability is important. Drilling, countersinking, counterboring, tapping, milling, and general machining is performed with conventional equipment and carbide tools. Choose from our selection of flat steel bars, including over 3,400 products in a wide range of styles and sizes. 6-0. . 5 pounds. ; Alro distributes and processes metals from over 75 locations in 15 states. Tool steels are usually supplied in the annealed condition, around 200/250 Brinell (about 20 HRC), to facilitate machining. 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. I've used it to make silhouette targets for our shooting range. L-6 tool steel has good toughness in the upper 50's and its cheap as compared to A-2 and similar materials. 0. US $600-700 / Ton. AR400 + AR500 abrasion resistant plate, bar & strips. ) So lower carbon steels may pick up magnetism. As you’re drilling, be sure to use plenty of coolant to keep the drill bit from overheating. This is a high-carbon alloy steel that is perfect for rugged applications that require high wear resistance. Will take about 5 hours overall. Machining. Still, this is a typical chemical composition for AR400 steel: Carbon, 0. 4 doc, offset second pass about . Lesser hold would mean easier to remove. AR400 steel can be machined and welded but requires some special considerations. It offers higher deposition rates than GMAW, handles dirtier plates, and uses lower cost 100% carbon dioxide. AR400, or AR400F steel, is a high-carbon alloy steel with high wear resistance that’s supplied nationwide across our 40+ branches. AR400 is a high-carbon alloy steel with high wear resistance, good formability, excellent weldability, good corrosion resistance, and protection against sliding and impact abrasion. It can withstand temperatures up to 1450°F and performs best in high-temperature settings. Meanwhile AR500 / AR500F is not formable, but shows good machinability. The actual chemical composition of 1018 steel is 98. Excavator Rakes. Overview. What Is Ar400 Steel ?. The main differences are hardness and strength, achieved through varying levels of carbon and manganese. The main results are the cutting speed and feedrate, secondary results such as power consumption and operation time, and carbide grade recommendations. MIL-A-46100 is a military spec armor steel plate, used in the Department of the Army, and supplied nationwide by Kloeckner Metals. At 24 inches by 24 inches the weight goes up to 61. 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 is usually associated with hardness. jackal Titanium. It was cut out with a torch or plasma cutter and I need to mill that down to. This article discusses the properites, grades and uses of military steel. 25 %C Annealed 420 125 1 80-110-140 0. 04 0. Phone: 800. Materials used include stainless steel, carbon steel, abrasion resistant AR400 alloy steel and HSLA steel. About Us. Grade 304 stainless steel is weak compared to 316. • Use internal coolant supply when machining austenitic stainless steel. Re: How to identify AR-400 mixed with mild plate? There are portable hardness testers such as a Shore Scleroscope and there are portable analyzers such as a Niton gun. It’s often referred to as Hadfield steel, or Hadfield grade, as Sir Robert Hadfield discovered it in. Intended for moderate wear applications, common uses include contact surfaces, hoppers, cement mixer drums and fins, and shooting targets. subscribers . The steel called for is QT400 and is 50 mm thick. Up to . Steel Plate grades depend on many factors. 2″ -> 1. Hardox is not an alloy of steel but a company in Sweden that makes a high quality AR plate. It's on an already built unit so I can't substitute. Have a look at our machinability rating graph which without a doubt will make your decision a lot easier with its incredibly detailed information. 2-0. Used a Milwaukee mag drill, made a 3" dia. CLIFTON STEEL COMPANY 16500 ROCKSIDE ROAD, MAPLE HEIGHTS, OH 44137. (“Hold” is identified as the potential to retain the magnetism. AR400 is produced to 400 Brinell hardness and guaranteed to sink in water. At minimum, we use Grade 50 steel (50,000 PSI minimum yield strength) for all of our root rake grapples. A514 steel plate is a high strength, machinable, and weldable steel that Kloeckner Metals stocks across its nationwide 40+ branches. When it comes to cutting AR500 steel, you should be ready to learn certain factors. MIL-A-46100 has good machinability capabilities. Thick AR400 plates are harder, and more force is required when cutting. Grade 70 has the highest tensile strength of them all, between 485 – 625 MPa. Welding Tensalloy™ has excellent weldability and can be welded with simple procedures. Any more than that and it’s back on the laser for me! Check out the video I made to show you the process. Grades Stocked: A514, AR400, AR500, AR200, A572-50, A656-80, A710 Chicago specializes in large precision burned and beveled parts. Leeco stocks ample volumes of AR steel plate. Ar400 Plate is usually tempered and quenched using ingots or steel blocks. 0005″ thick with a hardness of approximately HRc 70. 0 /5 · 0 reviews · Contact Supplier. This means you’ll need a minimum. Joined Mar 19, 2012 Location. But that capability isn’t without its drawbacks. Carbon steels are designated by AISI four-digit numbers. In addition to its general characteristics of being formable, while maintaining good abrasion resistance, AR400 steel also has the following. The main results are the cutting speed and feedrate, secondary results such as power consumption and operation time, and carbide grade recommendations. The tensile strength of A514 alloy steel is specified as at least 100 ksi (689 MPa) up to a 2. 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. Common trade names include Mustang, Double Six, Vasco M2, REX M2, Micro-Melt M2. 001 fpt, kennametal harvi 4 flute . 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. Welding AR400 steel also requires some expertise, as the steel is prone to cracking and warping if not soldered. Alpharetta (Atlanta Plate Processing) 2005 Grassland Pkwy. Because there are no industry guidelines or standards for wear plate, it can be any hardness at all. e. With over 40 years of experience, we have developed trademark specialty grades of heat-treated steels and other materials for industries such as automotive, defense, mining, power generation, agriculture, oil. you will give up a little bit of machining time to gain strength and toughness. While not a good candidate for forming and machining, AR400 plate is suitable for welding. The composition may vary from heat to heat, depending on what kind of scrap that happens to be in the hopper. Thanks to the excellent impact and wear resistant qualities of our Tensalloy™ steel wear plate—in particular our AR500 — it is used by a number of industries for their toughest applications. The high heat is what creates the aluminum oxide layer. This is for my workbench. Easier to machine without cracking than other impact-resistant ductile cast iron. Machining AR400 steel plate; Weight of Gerber AR400? 09-30-2006, 11:27 PM #2. 0. A514 AR400 abrasion resistant steel plate is a good candidate for some processing techniques. 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. Machining. C. Some typical industries are mining, material handling equipment, and aggregate. Surface Speed. While not a good candidate for forming and machining, AR400 plate is suitable for welding. A514 steel is available in a variety of chemistries: B, E, F, H, Q, and S. AR400F abrasion-resistant plate is used in. the 400 in AR400) usually refers to the material hardness based on the Brinell Hardness scale. The names of AR plate products typically indicate the hardness of the material. I'm using an older Hurco KMB-1 that's in. Ease of processing compared to conventional 500 BHN. More Info.