1/4 AR400 high manganese wearing steel plate AR400 wear resistant steel sheet/plate ar 400 materialGrades of Plate include: A36, Grade 50, A572, AR400, AR500, A514, XF100, and Hardox® 450. High Strength Steels. 81-99. The Ar400 Plate is not a good candidate for machining due to high hardness, however it has a high weldability. AR400. 18250 Miles Avenue. (35amps) I am planning on cutting 3/8 ar400 with it. 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. ENDURA Steel Advantages. Machining AR400 steel plate. 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. 787” 4t (use 18t bottom die opening) ** The radii listed are the minimum recommended for bending. With Machining Advisor Pro I’ve become much more efficient at programming. Forum Login. 5 amps. Top Posts Reddit . Certificates with a traceable lot number are available for these. AR400 is produced to 400 Brinell hardness and guaranteed to sink in water. 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. You can find hardness levels for AR400, AR450, and AR500 on their respective pages. When one end wears out, turn the tool around for a sharp edge. Alpharetta (Atlanta Plate Processing) 2005 Grassland Pkwy. $2,935. 50. Miller Bobcat 225 NT (what I began my present Biz with!) Miller 30-A Spoolgun. $3,538. The 1/4” AR400 works with 38sp, 9mm, 40S&W and similar cartridges. Choose from our selection of steel flat stock, including low-carbon steel sheets and bars, tight-tolerance low-carbon steel bars, and more. HARDOX: This can be seen advertised everywhere and complicates the choice for many. 06-10-2010, 01:11 PM. ABS Grade A, B, AH36, DH36, EH36; API 2H Grade 50; Road Plate. •. For AR 500 it is $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. Titanium Carbonitride (TiCN) is harder than Titanium Nitride (TiN) at low cutting temperatures. Thick AR400 plates are harder, and more force is required when cutting. 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). 01 from first to avoid shanking out. 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. 030-. The AR400 are premium abrasion resistant steel plates that are heat-treated and exhibit through-hardening. The Ar400 Steel Plate can be customized according to the requirements of the clients and is highly demanded across several industries. 25%. AR400 = 400 brinell harness . 002-. 9 Mil 1997 10-49. Still, this is a typical chemical composition for AR400 steel: Carbon, 0. 5 mm) thick plate, and at least 110 ksi (758. On a particular machine, the design calls for the plow to be made from 3/4-in. AR450 vs. Q: We manufacture a plow-type mechanism that is made from A514 (T1) steel, with hinges that are made from lower-strength steel such as A572 or A36. We always cut it with water jet instead of using heat. When it comes to cutting AR500 steel, you should be ready to learn certain factors. Thick AR400 plates are harder, and more force is required when cutting. 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. ; Louisville has consignment programs offered for. 16:14. Some typical industries are mining, material handling equipment, and aggregate. The strength of the 2" AR400 is a fair bump up from T-1. Mangalloy is a unique non-magnetic steel with extreme anti-wear properties. It's on an already built unit so I can't substitute. 006 high strength steels high strength steel - wrought & tool steel 175-400 75-150 . Request a quote today!. It has a lower hardness of 360 – 444 BHN. AR500 plates are suitable for mining, forestry and construction. For example, some manufacturers, like Rogue Shooting Targets, use AR500 Steel and others use milder AR400 and other milder steel versions. Amarillo. AR400 is a type of steel plate. Not commercial, just for me. AR450 is an abrasion resistant plate used in a variety of applications where slightly greater strength is desired beyond AR400. 500 also has a higher hardness. Mirro-Krome 60 has an induction hardened layer that is a minimum of . Complete Ameralloy Catalog. Strength. AR235 / AR200 / AR Medium. It offers higher deposition rates than GMAW, handles dirtier plates, and uses lower cost 100% carbon dioxide. One of our most popular products is stainless angles. AR400 is quenched. The high-carbon alloy steel grades are determined on the hardness of the steel. MACHINING Drilling, countersinking, counterboring, tapping, milling, and general machining is performed. AR steel tends to come in between 235-550BHN. Drilled thru with a Hertel HSS bit, (no cobalt) and I used a Hertel spiral point tap, TiN coated. The versatile plates have outstanding mechanical properties that are. This material is heat treated and commonly used for screens. Jarring a piece of metal will allow for a slight realignment of the atoms - with each sharp impact in the same direction, the object becomes slightly more magnetized. AR500 Steel Plate. I bought 1/2" & 3/4" AR400 plate for the targets from American Alloy Steel. Our innovative approach means you get the benefit of state-of-the-art technology coupled with personal. Intended for moderate wear applications, common uses include contact. 2. It has nationwide coverage. When one end wears out, turn the tool around for a sharp edge. We use A572 steel for most structural components and A514 steel for additional strength or weight reduction. Up to . What is ar400 steel? AR400 is a specialty steel designed at the chemical level for improved wear resistance for very specific applications. Input these figures into the calculator above (remember the units are in mm), and we get a value of 106. 5 inch ar400 and only sharpen in last couple hundred, an regular drill bit only lasts like 6 holes, Quick Navigation General MetalWork Discussion Top. I'd cut the pieces with O/A or plasma, then rough the angled edge in with an endmill if possible, otherwise a 9" grinder aught to make quick work of it. Keep the “torch-to-work. Zr-0. 내마모강은 균일한 경도 (hardness)를 유지하도록 처리되어 S45C 열처리 강판과 비교할 때 최소 3배 ~ 10배의 내마모 수명을 보유한 특수강입니다. I'm needing to machine several stepped pockets in some AR400 steel plate. Drilling, countersinking, counterboring, tapping, milling, and general machining is performed with conventional equipment and carbide tools. Much cheaper. The base steel around the weld rapidly heats and cools during welding, resulting in a heat affected zone (HAZ) with high hardness. The nickel and molybdenum content gives AR400 carbon steel the ability to resist wear better than all other carbon steel. Machining. Due to the large difference in yield strength between the AR400 plate and the filler material, minimizing weld restraint is critical to control cracking. Chapel Steel is one of the nation’s largest distributors of carbon, high strength, abrasion resistant and specialty grades of steel plate. The grain size is also enhanced and uniformed in this process. They are designed to weld quickly, looking good in appearance. Mar 13, 2023 / Welding 1/4in AR400 to Mild steel #5. 2% manganese. AR400F abrasion-resistant plate is used in. Material: Steel, Other. Contact a Clifton Steel Representative today for details. Can be finished by grinding only; 3. comChromium carbide overlay plate begins with a mild steel base. All steels may pick up magnetism. 09 0. 27 0. The nickel and molybdenum content gives AR400 carbon steel the ability to resist wear better than all other carbon steel. This reduces thermal conductivity in the end mill and, instead, transfers the heat to the cutting. AR400F. The addition of chromium to AR400 makes it more corrosion resistant as well, making it well suited for outdoor applications where weathering is a concern. Level III contractor for R. I'm using an older Hurco KMB-1. However, this increase in strength and abrasion resistance will make the steel less malleable. 0 amps is almost 700 watts, so about max hp on this machine !!!! Anyway, stalled the drive a couple of times at 3. Context 2. Welding. Metal and alloy plates and plate stock are used in a variety of applications such as raw material feed for machining or forming of parts, flooring or floor fabrication, and. They also contain 0. WELDING I have milled alot of aluminum and some steel mild steel but nothing like this on a CNC. for hardness and strength. 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. The Ar400 Steel Plate can be customized according to the requirements of the clients and is highly demanded across several industries. Primarily used for abrasion resistance to coal, gravel and other substrates. Contact. 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. AR235, AR400 Abrasion-Resistant Plate: When looking for longevity, you need to find steel plates that can withstand abrasion, impact, and regular wear and tear. Overview. 0030 0. AR400 steel can be machined and welded but requires some special considerations. AISI 4340 alloy steel has good ductility and formability in the annealed condition. It has more carbon than a mild steel. Both AR360 and AR400 have a minimum brinell of 360. Welding AR400 steel also requires some expertise, as the steel is prone to cracking and warping if not soldered. need a little help feeds/speeds in ar400. AR400 and AR360 are quenched & tempered through hardened wear resistant grades of abrasion resistant steel plate used for high impact and abrasion. This is a high-carbon alloy steel that is perfect for rugged applications that require high wear resistance. Welding Tensalloy™ has excellent weldability and can be welded with. Speed and Feed Calculator for Drilling and Milling,easyspeedsandfeeds. This is a high-carbon alloy steel that is perfect for rugged applications that require high wear resistance. When compared with AR400 steel, AR500’s increased surface hardness allows it to outperform in certain high-abrasion applications. 15% and below creates ductile steel with unbreakable chips. I have milled alot of aluminum and some steel mild steel but nothing like this on a CNC. Select the appropriate drill bit for the job. Alloying the MMC matrix with chromium increased. The "AR" in AR400 Steel stands for "Abrasion Resistant". 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. Give us a call at 800-348-2529 or leave us a message. 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. Properties The high-carbon composition and additional chemical alloys included in AR500 steel give the material enhanced hardness and wear resistance. Directions. If you are hp limited that Powerfeed 13 might not be you’re first choice. 005" per flute load with spade drills might require a pilot hole. We have No Minimum Orders, We Cut to Size. 0015 0. 250) with beveling. AR 600 is also part of the same family but not as popular as it is prone to cracking. 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. Differentiators include hardness levels, application uses, and cost. AR400 STEEL is a high hardness,. Heat treat per your vendors recomendations. 5. 27. 00/pound. Intended for moderate wear applications, common uses include contact surfaces, hoppers, cement mixer drums and fins, and shooting targets. 04 0. For instance, you can. AR400 steel is designed for abrasion and wear-resistant applications. This article discusses the properites, grades and uses of military steel. It is just 1/4" after all. So what have we learned?? Use A36 for general steel fabrication, 4140 for machining, T1, AR400, AR450, Hardox 400, and Hardox 450 for screens. sfm 200, . COM presents the material machinability chart shows the machinability of metals and plastics. Northern Metals Fabricating & Machining Ltd - Smithers - phone number, website, address & opening hours - BC - Steel Fabricators, Machine Shops, Welding. Tap or Call: +1 (800) 237-0113. Weldability of Free Machining Grades of Steel. Contact most popular products of manufacturers, trading companies, wholesalers & exporter directly on Made-in-China. (same as for mild steel) to minimize the heat affected zone. W. For instance, if the sheet metal to be bent is mild steel, with a thickness of 4mm and a bending length of 3. Joined Mar 19, 2012 Location. A588 steel is a structural steel. Louisville is a 55,000 sq. Hardened steel is very difficult to machine, is typically only used for Waterjet parts. For pipes with diameters smaller than 0. It offers a wide array of benefits to be used in many industries. Get back to mining with wholesale drilling ar500 plate from Alibaba’s vast assortment of mining machine parts from hundreds of manufacturers, suppliers, and exporters. Alpharetta, Georgia 30004. Due to its high hardness, the steel is difficult to cut and shape and requires high-speed tools and cutting fluids. 5" wall pins will be 2" welded to the. Hardox 400. Whereas 400 can be between 360 and 440 Brinell, 500 is between 477 and 550. The software takes the guess work and the headache out of feed, speed, step over, and step down to ensure it’s going to work the first time. 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. T1 has a Brinell hardness of 300. 0625" cut. 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. It is a high-carbon steel alloy that provides greater impact and sliding abrasion resistance by comparison. Machining AR400 steel plate. The steel is inside Earth's magnetic field. Small quantities of molybdenum, chromium, nickel, aluminium, and copper are present in these steels. Tap. 9300. AIT-S-5. Abrasion resistant steel is created by quenching and tempering forged steel plates. machining 96 inch long ar400 steel wear strips. Abrasion resistant (AR) steel plate grades offer enhanced hardness for wear-resistant applications. AR400 is a very hard abrasion resistant steel used for rock truck beds and other high wear items. Machining. CF Metals premium grade of these products are 360 and 400. AR400 / 400F; AR450 / 450F; AR500 / 500F; AR600; Offshore And Marine Steel Plate. When deciding between the two steels, take into consideration the end application and the quantity that you will need. 15-0. There were 8 of them 2-1/2" thick, and 8 more that were 1" thick. 6-0. 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. AR400 Steel Plate AR400 Steel Plate – Hardness 360-444 Brinell. The actual chemical composition of 1018 steel is 98. These Q&T plates are generally used for abrasion resistance. Manganese steel is also considered to be an extremely hard material to. AR400, AR450, AR500, AR550 and AR600 Wear Resistant Steel Plate $450. When it comes to cutting AR500 steel, you should be ready to learn certain factors. 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. Similar Threads: Help! Drilling small 0. You can cut AR500 steel using a plasma cutter and a properly tuned table. A514 Steel Plate: Low carbon and sulfur levels, strong, and easily machinable. Show Printable. AR400 steel can be machined and welded but requires some special considerations. Abrasion resistant steel fends off wear and tear better than almost any material, making it especially ideal for auger flighting. 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. Hello everyone, I'm new to the forum, but not new to welding. That’s why it’s the industry standard for hard-wearing, hard-working equipment. Metals Depot - America's Metal Superstore is your complete supplier for industrial metals worldwide. # 7394Norman Machine Tool, Ltd. AR450 steel is a high-carbon steel alloy that has a surface hardness between 400-477 BHN. The Brinell Hardness number differentiates the abrasion resistant steel grades. Welding Tensalloy™ has excellent weldability and can be welded with simple procedures. FROM CUSTOMER PRINTS ABRASION-RESISTANT STEEL PLATE TENSALLOYTM AR400 TENSALLOYTM AR450 TENSALLOYTM BLUE AR500. AIT S-26. It has the wear resistance and highly polishable surface needed to fabricate long-lasting molds and dies. We use cookies to enhance your experience. Much like some stainless varieties or like D-2 tool steel, if you snooze - you loose. AR400 | AR400F Steel Plate. ASTM A514 is the standard specification for high yield, quenched and tempered alloy steel plate, suitable for welding. ; Our team provides value added metals processing to help you reduce lead times. Disclaimer: I haven't done AR500, just AR400. Grade 316 stainless steel can resist temperatures up to 1600 degrees Fahrenheit. heavier gage steel may require high capacity sophisticated equipment that has built-in protections for the machine operator. While not a good candidate for forming and machining, AR400 plate is suitable for welding. Because there are no industry guidelines or standards for wear plate, it can be any hardness at all. Experience is key when it comes to grinding and machining companies partnering with steel mills. There are several grades of abrasion resistant steel, including AR200, AR235, AR400, AR450, AR500 and AR600. Drilling machining alloy AR 400 AR600 AR500 AR450 AR400 wear resistant steel plate 4x8 price per ton AR400 flat bar cost $650. I'm needing to machine several stepped pockets in some AR400 steel plate. -thick A514. Machining. This material is characterized by a smooth, dark scale finish with a hardened surface. Surface Speed. 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. Clamp the steel in place if necessary. Kromite® #3 and Mirraloy® TGP Machining Guidelines;1. M. You can judge a good anvil by the amount of rebound of a large steel bearing ball. General Info About AR450 / AR450F. This allowed for reliable performance both in the workshop and in operation. AR400 F Steel Plate is formable grade of Abrasive Resistance Steel Plate designed to accommodate applications where a life of wear is the primary cause for failure among other grades of steel plate. 001 fpt, kennametal harvi 4 flute . 08 0. Carbon steels are designated by AISI four-digit numbers. Now answer the question. Phone: 800. 20. 2200 RPM @ 25 ipm. 12mm AR500 Exporting Wear Abrasion Resistant Steel Plate. 5" thick plate im using 11psi propane and 60psi oxygen for the cut, at 16ipm. Easy-to-Machine W1 Tool Steel Bars. How To Drill A Hole In AR500 Steel. 5%;. Hi guys, I am looking for a drill bit that will drill ar400 steel, I have been using the one pictured, it was in a bunch of tools that I bought in a auction, so do not know where it comes from, and nobody around here sells it. Since it’s an extremely durable and long. New Ar400 Steel Plate products manufacturing in China, with stylish and cool design emerge. Request a Quote. at our facility. A laser cutting machine is a type of CNC. While AR450 steel is similar to AR400 and AR500, there are some variances that make each unique. We work mostly with light-gauge cold-rolled steel, hot-rolled steel, aluminum sheet, and occasionally stainless. That’s why it is used in wheel covers, electrical enclosures, and general steel. While not a great candidate for forming and machining, AR400 plate is suitable for welding. 50. The resistance in heat and hardness allows the tool to run about 20-30% higher machining speeds than uncoated end mills. Countersinking this type of screw in the metal allows the screw head to rest below the surface of the metal, utilizing the full. Shooting at steel targets can be dangerous and caution must be taken to ensure safety. Details. 001-. In addition to its general characteristics of being formable, while maintaining good abrasion resistance, AR400 steel also has the following. Our stainless angles can be laser fused or hot rolled. 25 %C Annealed 420 125 1 80-110-140 0. I have a 4. Used a Milwaukee mag drill, made a 3" dia. We’ve moved from a 1970s-vintage turret punch to a state-of-the-art punch/laser machine for our flat blank processing. BLUE AR500 is not recommended for forming, given its high strength and hardness —however forming can be done. Another thought might be a blade insert that's seriously hard, with the bulk of everything else made from standard materials. Section 1 – Main parameters: Cutting speed, feedrate, Feed per Tooth, spindle speed, and table feed. Largest Manufacturing Technology Community on the Web. J. 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. Summary. For technical drawings and 3-D models, click on a part number. Need some help with ar400 plate weld procedure. 9300. Chemically, 1018 is very similar to A36 but with a little less carbon, less manganese, and fewer impurities. Heres something talking about welding AR400. It has fair to good machinability. 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. The hardness of AR500 also means the material is more rigid. I'm needing to machine several stepped pockets in some AR400 steel plate. I have a 4. 02 inch diameter holes for vacuum molds; 1. Branches featuring A514 Steel Plate products. Kromite® #3 and Mirraloy® TGP Machining Guidelines;The AR400 wear-resistant steel plate on the market is divided into thin and thick plate. Alloy & Abrasion Resistant Steel Plate. Its tough to get enough feed pressure on a mag base drill to drill AR400 very well. On the Brinell Hardness Scale, the product. Set the amperage to 65 or 85 keeping the speed to 45 or 25 inches per minute respectively. Grade 70 has the highest tensile strength of them all, between 485 – 625 MPa. AR400 is a type of steel plate. AR400; AR450; AR500; Manganese Steel; AR250; A514; Chocky Bars; 4150 Steel Bar; Scrap & Recycling. The sides will cost an additional ~$50, so the entire project will cost $200 plus supplies. AR400 Steel Plate – Tensalloy AR400 Armor Plate . Use A36 for general steel fabrication, 4140 for machining, T1, AR400, AR450, Hardox 400, and Hardox 450 for screens. For fast service and competitive prices, Contact us to get a free estimate at the location nearest you. AR400, The only reliable steel supplier of Rhino-Tuf® EZ Wear Bars, abrasion resistant AR400 wear bars and wear strips. Pipeline steels X65, X70, and X80 feature similar erosion-corrosion behaviour. I think it is a fairly simple steel (chemically) so should be easy to heat treat again if it's too soft after plasma. Length: 15. AR400 steel has a range of 360–440 BHN (Brinell Hardness Number), making it exceedingly proof against abrasion and wear. Also need to machine to OD to a specified size and then mill a step in it to a smaller. Often used in construction and mining applications, it can also be found in a variety of other industries. 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. spectators and objects near the target. Menu. 5 m/s. 75 inch. Welding A588 Steels. Hi, I'm bending a plate of AR400 (20 x4 x3/4 ) 90°, then when the part is in use there is a force on the in the. A514 AR200 abrasion resistant steel plate is a good candidate for some processing techniques. Request a FREE quote for A514 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. It has more hardness than the AR400 steel plate with good formability, good weldability, good ductility, good strength, and good impact resistance. Wear Resistance = Great. How to prevent magnetism on steel bars & plate. This specific steel has good formability, weldability, and notch toughness when in the as-rolled condition. Click here for the chart. I still have a hot rolled steel plate 5/8" thick I am still meaning to countersink for 3/8" flatheads. 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. To get pricing, rates, fees, expenses or an estimate for a steel plate rolling, bending, forming or fabricating job or project, contact Justin Frick at 1-800-423-7080 or email Justin Frick at sales@halvorsenusa. Abrasion-resistant steel can last up to 4 times longer than mild steel. D2 is a pain to machine, soft and hard! I suppose induction. Very hard steel may not tolerate even the slightest bend, or even pressure for that matter. 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. 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. We also have a variety of additional cutting and metalworking equipment capabilities in house to provide additional value to our customers. 9% manganese with traces of phosphorus, and sulfur (Capital Steel & Wire Inc. 00. Min Order: 100. Cobalt Steel Ball End Mills with Two Milling Ends. No further heat treatment needed. Learn More. Welding. AR500. There’s really no single specific chemical composition for AR400 steel, as long as it meets the required hardness level. Products.