More Info. Disclaimer: I haven't done AR500, just AR400. Products such as shipping containers, tube coils, angles, rails, side frames, crane booms and cylinders can also be fabricated. 9% manganese with traces of phosphorus, and sulfur (Capital Steel & Wire Inc. Weldability of Free Machining Grades of Steel. Kromite® #3 and Mirraloy® TGP Machining Guidelines;The AR400 wear-resistant steel plate on the market is divided into thin and thick plate. This material is heat treated and commonly used for screens. 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. AR400: 360-440 BHN This material is commonly used for bed liners, wheel loader buckets, hopper liners, and is commonly used for grinder screens. HANKEV is the leading supplier of HADFIELD GRADE MANGANESE STEEL as well as 11-14% Manganese Steel (ASTM A128) impact-resistant steel, AR400, AR450, AR500 wear-resistant steel, Military grade Armor 46100, 12560 and A514, A572 steel all over the world. The high-carbon alloy steel grades are determined on the hardness of the steel. Bushings will be welded to the ar400, bushing will be a DOM 3" x . 25%; Manganese, 1. AR400 is a type of steel plate. 5″) Ability to “Work Harden” from 470 BHN to 560 BHN. 050 feed per tooth. Grade 316 stainless steel can resist temperatures up to 1600 degrees Fahrenheit. Mostly due to the heavy hone or land at the cutting edge necessary to survive . West Wind Hardwood is your one-stop source for lumber and value added milling services. The hardened condition is used where added strength or resistance to wear is desired. Abrasion-resistant steel is a high-carbon steel with greater hardness properties than low-carbon steel. 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. I may have a job coming up where we will need to drill a hundred or so steel plates. D. 187) & possibly 1/4" (. To roll form AR steel, we use a process called cold rolling, which is when the steel is passed through rollers at room temperature. We always cut it with water jet instead of using heat. Alro stocks metals, industrial supplies and plastics. 250) with beveling. 12 0. Bending = Good. Truck bed and bucket liners are major applications, as well as chutes and gates. subscribers . AR400 | AR400F Steel Plate. However, this grade steel is not recommended for machining. 030-. AR400 is a quench and tempered steel and may be difficult to weld due its high strength and harden ability. MIL-A-46100 is a military spec armor steel plate, used in the Department of the Army, and supplied nationwide by Kloeckner Metals. The AR400 are premium abrasion resistant steel plates that are heat-treated and exhibit through-hardening. Miller Bobcat 225 NT (what I began my present Biz with!) Miller 30-A Spoolgun. sfm 200, . I'm using an older Hurco KMB-1. Up to . and A. AR steel tends to come in between 235-550BHN. Navsea Tech Pub T9074. Wear-Resistant AR400 Carbon Steel. This is a high-carbon alloy steel that is perfect for rugged applications that require high wear resistance. 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. This allowed for reliable performance both in the workshop and in operation. Surface Speed. I have a 4. The plasma cutter I am using can cut up to 3/8". Crush wires can also help on tee joints. While not a good candidate for forming and machining, AR400 plate is suitable for welding. 20. FORMING AR400 & AR450 are specially made for improved formability with low levels of carbon and sulphur for inclusion shape control. They are designed to weld quickly, looking good in appearance. FROM CUSTOMER PRINTS ABRASION-RESISTANT STEEL PLATE TENSALLOYTM AR400 TENSALLOYTM AR450 TENSALLOYTM BLUE AR500. Shop 24/7 with Alro. 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. Call now. 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. The natural presence of manganese in the iron ore used by the Spartans is believed to be why their steel weapons were superior to those of their enemies – USGS. Grade 304 stainless steel is weak compared to 316. AR400 steel is a high-carbon alloy designed explicitly for abrasion and wear. Supply High Quality Low Price Abrasion Resistant Steel Plate. The AR400 steel he mentions is a common alloy steel used in earth moving and mining equipment. 2. 5" wall pins will be 2" welded to the. I'm needing to machine several stepped pockets in some AR400 steel plate. 4% silicon and 1. Now answer the question. Excavator Rakes. When compared with AR400 steel, AR500’s increased surface hardness allows it to outperform in certain high-abrasion applications. There were 8 of them 2-1/2" thick, and 8 more that were 1" thick. Some attachment manufacturers use A514 in. Our re-designed Standard Duty Grapple Rakes are constructed from 3/8th AR400 Steel and are rated for machines with 35-60 HP. The steel is inside Earth's magnetic field. Resistance Welding Electrodes. Contact. 1" × . It's on an already built unit so I can't substitute another steel. AR400F abrasion-resistant plate is used in. AR400F has a minimum Brinnel hardness of 360. These steels must be heat treated to develop their characteristic properties. Much like AR450 and AR400, AR500 steel is a specific type of abrasion resistant steel with a surface hardness of 477-534 BHN. The versatile plates have outstanding mechanical properties that are. Machining = Fair. Input these figures into the calculator above (remember the units are in mm), and we get a value of 106. 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. The tensile strength of A514 alloy steel is specified as at least 100 ksi (689 MPa) up to a 2. T. Welding Tensalloy™ has excellent weldability and can be welded with. Kloeckner offers A5656 in four different grades, including 50, 60, 70, and 80, and in three chemical requirements, type 3, type 7, and type 8. Contact a Clifton Steel Representative today for details. Wearalloy 450, or AR450, lasts four times longer than other. Similar Threads: Help! Drilling small 0. Finally, once you’ve reached the desired depth, remove the drill bit and clean up any debris. 0C1%Hf (Grade 21) Zircaloy 2 (Grade 32) Zircaloy 4 (Grade 34) Spot Welding Equip. Heat will affect steel based on the composition of that steel and relative to the past thermal processing that steel has undergone. We also have a variety of additional cutting and metalworking equipment capabilities in house to provide additional value to our customers. Amarillo. It has more hardness than the AR400 steel plate with good formability, good weldability, good ductility, good strength, and good impact resistance. AR400 | AR400F Steel Plate. Tools must have a lubrication coat (possibly on top of a hard coat) to reduce the problem of built-up edge. 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. I'm needing to machine several stepped pockets in some AR400 steel plate. Alloy & Abrasion Resistant Steel Plate. Germany-XAR. AR400 Steel Plate AR400 Steel Plate – Hardness 360-444 Brinell. Our 10 machines burn up to 2” plasma and 10” oxy and add value through 360deg beveling, drilling, tapping, machining, coating, barcoding, and more. MIL-A-46100 has good machinability capabilities. In fact, Clifton Steel’s Clif-Clad chromium carbide overlay plating can withstand even severe. Request a Quote. Branches featuring 4140 Steel Plate products. Strength. AR400 Steel Machining and Welding. 321. ”While not a great candidate for forming and machining, AR400 plate is suitable for welding. Carbon steels may be stress relieved by holding a temperature at 1,100 to 1,250°F (600 to 675°C) for 1 hour per inch (25 mm) of thickness. Likes: 0. 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. Stamping AR 400 steel. AR500. Abrasion resistant steel is a high-carbon alloy steel that is produced to resist wear and stress. While not a good candidate for forming and machining, AR400 plate is appropriate for welding. 010+ FPR Maximum SFMWhat are you machining these on? Try something similar to garr vrx , 9/32 x 7/16 LOC to rough with. values of hardness are compiled and shown in Table 2. AR400 is produced to 400 Brinell hardness and guaranteed to sink in water. A514 AR200 abrasion resistant steel plate is a good candidate for some processing techniques. The AR400 steel plate is often used in applications where abrasion-resistant, formability, and weldability are required. Intended for moderate wear applications, common uses include contact. Machine Manufacturing; Products Display Katalor Enterprise focus on carbon steel, alloy steel, stainless steel, section steel manufacturing and processing. While not a good candidate for forming and machining, AR400 plate is suitable for welding. Used a Milwaukee mag drill, made a 3" dia. 400 – 500) within the names of the different steels refer to the Brinell Hardness Number (BHN) – the material’s level of hardness. The AR plate you’re cutting should be 3/8″ or 1/2″ thick. We’ve moved from a 1970s-vintage turret punch to a state-of-the-art punch/laser machine for our flat blank processing. 27. In stock and ready to ship. We use A572 steel for most structural components and A514 steel for additional strength or weight reduction. Wholesale Price Nm450 Nm500 Wear-Resistant Steel Plate 8mm 10mm Thick Ar500 Plate Armor Ar400. 11 0. Wear Resistance = Great. However, this increase in strength and abrasion resistance will make the steel less malleable. This is for my workbench. steels or regular D2 tool steel? Thanks in advance, Robert. While the steel may be of excellent quality, it might underperform softer-rated steel. The Brinell Hardness number differentiates the abrasion resistant steel grades. Chapel Steel is one of the nation’s largest distributors of carbon, high strength, abrasion resistant and specialty grades of steel plate. Learn More. Properties The high-carbon composition and additional chemical alloys included in AR500 steel give the material enhanced hardness and wear resistance. 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!. For example, some manufacturers, like Rogue Shooting Targets, use AR500 Steel and others use milder AR400 and other milder steel versions. However, this increase in strength and abrasion resistance will make the steel less malleable. 5 inch (63. As you are probably aware AR500 steel is some tough stuff. AR 400 and AR 500 steel plates are two of the most popular abrasion resistant steel plates in the world. S. Min Order: 6 tons. 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. Request a Quote. Hardox® wear plate for extreme abrasion resistance. Guhring produces such a surface treating, called Movic. The highest deposition rate gas-shielded flux-cored wire is E70T-1. Shop for AR400F Steel Plate online at America's Metal Superstore. 3 HRC compared to RHA at 43. 7 times that of abrasion-resistant reference AR400 steel. This helps to increase the steel’s strength and hardness. AR500 is slightly stronger (in terms of tensile strength) than 400, by about 20-25%. 1-800-394-4399Info About AR450 / AR450F. There are a wide range of thicknesses and can be used in a variety of applications. 0. , 2015). A572 plate is a high-strength, low-alloy structural steel that includes five grades—42, 50, 55, 60, 65 and 80—according to their minimum specified yield strength. Our innovative approach means you get the benefit of state-of-the-art technology coupled with personal. Due to the large difference in yield strength between the AR400 plate and the filler material, minimizing weld restraint is critical to control cracking. Typically, military grades are A36 Low-Carbon Steel, AR400 Abrasion Resistant, AR500 Abrasion Resistant, MIL-46100 Military Grade, MIL-12560 Military Grade, and MIL-46177 Military Grade. Thick AR400 plates are harder, and more force is required when cutting. We use cookies to enhance your experience. One of our most popular products is stainless angles. 75 inch. Hello everyone, I'm new to the forum, but not new to welding. Steel Warehouse stocks abrasion resistant steel in plate, sheet, and coil in the following grades: AR200, AR400, AR450, & AR500. AR400 = 400 brinell harness . On a particular machine, the design calls for the plow to be made from 3/4-in. COM presents the material machinability chart shows the machinability of metals and plastics. For pipes with diameters smaller than 0. 2″ -> 1. AR500 Steel Plate. Kromite® #3 (4140/4150 mod. Miller WC-115-A. Alro’s on hand inventory is unmatched in the industry in both variety and quantity. Miyachi Unitek Welder. Over 75 locations in 15 states means high quality service and fast delivery to you. Another thought might be a blade insert that's seriously hard, with the bulk of everything else made from standard materials. com is the easiest speeds and. You can cut AR500 steel using a plasma cutter and a properly tuned table. General Info About AR600 AR600 is the most durable abrasion resistant steel plate. Probably not reasonable with 400 parts. Thread Tools. machining 96 inch long ar400 steel wear strips. 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 – 155,000 psi Typical Yield Strength (No ASTM exists) Thru . Therefore, AR400 will have a lower hardness than AR500 / AR500F. Level III contractor for R. HEIDENHAIN Forum - HEIDENHAIN develops and manufactures linear encoders, angle encoder, rotary encoders, and CNC controls for rigorous positioning tasks. It is common for 4140 alloy steel to be supplied in either the annealed (soft) condition, or Quench & Tempered (Q & T), the hardened condition. Hey guys, im relativeley new to oxy propane cutting, im using a Torchmate table and ive gotten great cuts on pretty much all thickneses of mild steel. Available in different types of steel alloys such as 303, 304, 309, 310, 316, 347, 410, 416, 420, 440, Duplex, 13-8Mo, 15-5PH and 17-4PH steel alloys. Low carbon 1018 steel comes in a variety of forms,. How to cut manganese steel. It has more carbon than a mild steel. Plates in Hardox ® 400 come in thicknesses from 2 to 130. Mild steel center with an AR400 ring shrunk on. It has good weldability. Hardox is not an alloy of steel but a company in Sweden that makes a high quality AR plate. Good luck Matt As a result, customers can expect longer-lasting wear parts in some of the toughest applications. Mirro-Krome 60 has an induction hardened layer that is a minimum of . Machining AR400 is such a joy :( 1" Harveymill endmill. 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). Machining AR400 steel plate. I'm using an older Hurco KMB-1 that's in. We are an industry leader of value-added services supporting a vast customer base of end use markets. 080") 6082 - this is the finished size, and has pockets 1mm (. Heres something talking about welding AR400. 5" thick plate im using 11psi propane and 60psi oxygen for the cut, at 16ipm. It's on an already built unit so I can't substitute. Start conservatively and increase speed and feed until drilling cycle is optimized. Our innovative approach means you get the benefit of state-of-the-art technology coupled with personal. Abrasion resistant steel is created by quenching and tempering forged steel plates. 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. Abrasion resistant steel is created by quenching and tempering forged steel plates. Related. AR400 Steel Plate – Tensalloy AR400 Armor Plate . AR400 Steel Plate – Tensalloy AR400 Armor Plate | Clifton ar400 nm400 sizzling rolled abrasion resistant metal plateThe Tensalloy AR400 wear-resistant metal plate offers larger influence energy than other frequent warmth-treated alloys. the 400 in AR400) usually refers to the material hardness based on the Brinell Hardness scale. 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. Alpharetta, Georgia 30004. Zr-0. You can find hardness levels for AR400, AR450, and AR500 on their respective pages. 111. AR400, or AR400F steel, is a high-carbon. 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. This materials is an Abrasion Resistant, Thru-Hardened, Alloy product. hot rolled ar400 steel plate price. This means you’ll need a minimum. 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). 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. A514 Steel Plate: Low carbon and sulfur levels, strong, and easily machinable. It can be readily cold formed. What causes magnetism on steel bars & plate? Phone: 800. Kromite® #3 and Mirraloy® TGP Machining Guidelines;1. The composition may vary from heat to heat, depending on what kind of scrap that happens to be in the hopper. 75 inch. 5425 N Whitaker Road. Two terms accompany soft and hard Rockwell C-rated steel. Choose from our selection of grade AR400 steel in a wide range of styles and sizes. steel and cast steel, free cutting steel < 0. So, AR500 is an Abrasion Resistant Steel. 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. 0625" wide by half inch deep. Best Wear Resistance of any abrasion resistant plate. Contact most popular products of manufacturers, trading companies, wholesalers & exporter directly on Made-in-China. To be classified as AR500, the hardness needs to clock in between 477 BHN and 550 BHN. Miller Spectrum 300. The cushioning quality of this base metal allows it to absorb impact. Dissimilar Metals. Capabilities include custom machining, saw. General Info About AR400 / AR400F It is. It has a lower hardness of 360 – 444 BHN. Norm right from Lincoln. It offers a wide array of benefits to be used in many industries. 5. The Carbon content of AR400 steel is only 0. com. 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. 2-0. The names of AR plate products typically indicate the hardness of the material. The name AR400 steel indicates to most people the steel they are buying is 400 BHN (Brinell) hardness. 00/pound. Intended for moderate wear applications, common uses include contact surfaces, hoppers, cement mixer drums and fins, and shooting targets. 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. They also contain 0. [2] This allows mangalloy to retain its toughness . (AR400) Wear Plate; Rhino-Tuf® EZ (AR400) Wear Bars;. Not only is ballistic steel strong, but it is also flexible, durable, and can be morphed into a wide variety of necessary items. Tap-Tap. Welding Tensalloy™ has excellent weldability and can be welded with simple procedures. It offers a wide array of benefits to be used in many industries. 2-4 times greater life than conventional 500 BHN steels. AR400 is quenched. I'm using an older Hurco KMB-1 that's in good shape but not real rigid. Machining: 1. Electrodes. 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. 2% manganese. AR400 wear resistant steel plate has good impact property: The AR400 wear resistant steel plate is a double-layer metal structure. Machining something requires applying a lot of little rapid hits to something - this is just what you need to make something magnetic. I don't do much machining on anything but aluminum, delrin, and the occasional mild steel or brass so I'm not too up on hard machining. 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. Largest selection of AR400F steel plates at wholesale prices. The Ar400 Steel Plate offers a good bending capability and shows enhanced resistance to impact abrasion. What is ar400 steel? AR400 is a specialty steel designed at the chemical level for improved wear. ASTM A514 is the standard specification for high yield, quenched and tempered alloy steel plate, suitable for welding. 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. For AR 500 it is $1. Grades Stocked: A514, AR400, AR500, AR200, A572-50, A656-80, A710 Chicago specializes in large precision burned and beveled parts. Ideal for horizontal machining centers or multiple pallet machining centers. for hardness and strength. AR400: 360-440 AR450: 430-480 AR500: 460-544 AR600:Placentia, CA Distributor* $1 - 4. Owen joins me again this episode to try to poke some holes in a 5/16" plate of AR400 steel. It is not as easy to machine as, for example, 1018. Section 1 – Main parameters: Cutting speed, feedrate, Feed per Tooth, spindle speed, and table feed. A36 steel plate has good weldability and any welding method can be used. ; Shop online 24/7 at. AR400, or AR400F steel, is a high. It is a high-carbon steel alloy that provides greater impact and sliding abrasion resistance by comparison. Derrick V. 18. 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. Length: 15. ‘AR’ means: Abrasion Resistant. Details. Taking the Difficulty Out of Working with Abrasion Resistant Steel for Auger FlightMonday, August 15, 2016. The high heat is what creates the aluminum oxide layer. Directions. 1018. (3. Tool steels are usually supplied in the annealed condition, around 200/250 Brinell (about 20 HRC), to facilitate machining. This is for my workbench. This combination of hardness and strength is found in AR500 Steel and AR550 Steel. Service Temperature is 400°F. Maintaining more than a . Shooting at steel targets can be dangerous and caution must be taken to ensure safety. 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. 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. L-6 tool steel has good toughness in the upper 50's and its cheap as compared to A-2 and similar materials. 3% brings the best machinability rate. you will give up a little bit of machining time to gain strength and toughness. Some applications include: drill bits, reamers, taps, gear cutters, lathe tools, broaches, boring tools, forming rolls, inserts, punches, milling cutters and end mills. BLUE AR500 is not recommended for forming, given its high strength and hardness —however forming can be done. NITRONIC® 30 is an excellent grade to replace AR400 as an abrasion steel, abrasion corrosion resistant, abrasion stainless. Its tough to get enough feed pressure on a mag base drill to drill AR400 very well. giving it the exclusivity to be used in moderate wear areas. 002-. Machine manufacturers may recommend tapping, broaching, drilling, milling, turning, or sawing using suitable tool types, feeds, and speeds to machine 1045. Alloy Steels. In this condition, most of the alloy content exists as alloy carbides, dispersed throughout a soft matrix. I'm needing to machine several stepped pockets in some AR400 steel plate. Machining AR400 steel plate; Weight of Gerber AR400? 09-30-2006, 11:27 PM #2. As you’re drilling, be sure to use plenty of coolant to keep the drill bit from overheating. Recommended cutting dataMuch like AR450 and AR400, AR500 steel is a specific type of abrasion resistant steel with a surface hardness of 477-534 BHN. With Machining Advisor Pro I’ve become much more efficient at programming. 0030 0. Due to its high hardness, the steel is difficult to cut and shape and requires high-speed tools and cutting fluids. It is important to choose the Ar400 Plate Supplier wisely- who will use. 05. Laser Cut AR400 is workable and malleable while maintaining many of the abrasion and impact resistant characteristics that make AR steel so valuable. 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 Brinell Hardness number differentiates the abrasion resistant steel grades. Hardox makes Hardox 400, Hardox 450, and Hardox 500 so the steel has the. Final surface layers obtained from the MMC powders had abrasive wear resistance up to 5. Ford Steel is a leading provider of AR steel plate forming services. As you’re drilling, be sure to use plenty of coolant to keep the drill bit from overheating. Alpharetta (Atlanta Plate Processing) 2005 Grassland Pkwy. Joined May 4, 2006 Location northwest ARK. 004 low and medium carbon alloy steel 85-375 150-300 . The number in the material name (e. The nickel and molybdenum content gives AR400 carbon steel the ability to resist wear better than all other carbon. Carbon Equivalency (47) 1/8″ to 1″ Thicknesses. 25%. 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. While not a good candidate for forming and machining, AR400 plate is suitable for welding. AR400 Steel. CLIFTON STEEL COMPANY 16500 ROCKSIDE ROAD, MAPLE HEIGHTS, OH 44137. The AR400 can be cut to near finish size on a water jet. View Profile View Forum Posts Private Message Visit Homepage View Gallery Uploads Member Join Date Jul 2005 Location USA Posts 2415 Downloads 0. Kromite® #3 and Mirraloy® TGP Machining Guidelines; Kromite® #3 and Mirraloy® TGP Welding Guidelines; Kromite® CD Hardness and Strength Comparison. AR400 and AR360 are quenched & tempered through hardened wear resistant grades of abrasion resistant steel plate used for high impact and abrasion. 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. Quenching & Tempering.