Welding ar400 steel. I am sure somebody will argue with me but we. Welding ar400 steel

 
 I am sure somebody will argue with me but weWelding ar400 steel  If your activities call for high wear resistance levels, you should choose AR400 steel

The table cross-references the most widespread steel alloys in accordance with DIN, ISO, AISI, SAE, AFNOR, BS, UNE, SS, UNI and JIS standards. Depending on the grade this may vary by 25-50 ºF. 2. You can find hardness levels for AR400, AR450, and AR500 on their respective pages. Pre-heating the base material is one way to prevent rapid cooling, reduce hydrogen levels, and prevent cracking. More demanding property and chemistry requirements than. Hardox is a wear resistant steel; Also, the combination of hardness and toughness made this steel the best choice when looking for both properties. Welding gas costs depend on your cylinder size and the specific gas or blend. Intended for moderate wear applications, common uses include contact. The tensile strength of A514 alloy steel is specified as at least 100 ksi (689 MPa) up to a 2. I suspect they used the standard 500 degF preheat and weld, but overheated on the preheat. The carbon content of 0. . Conventional methods are used for welding AISI 4330 alloy steel. The base steel around the weld rapidly heats and cools during. 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. Our main products are impact resistance 11-14% Manganese steel plate/bar, wear resistance Plate AR400, AR450, AR500, Military Armor 12560/46100 and A514 (T1 steel), A572. 1, Specification for Welding Procedure and Performance Qualification, and is identical to Annex IV, Base Metal Grouping, in the 2005 edition of that standard. Reply. What makes 1080 Steel so popular is the tensile strength of carbon steel. Welding Projects. AR400 steel exhibits the best performance at low oxygen regardless of the velocity. We provide the Industry's Best Abrasion & Impact Resistant Steel. These welding monel carbon steel are thin metallic rods used to produce a heated arc. 06-10-2010, 01:11 PM. It also contains small amounts of manganese, molybdenum, silicon, nickel, and copper. GENERAL DESCRIPTION AR400 is a quench and tempered steel and may be difficult to weld due its high strength and harden ability. It has a lower hardness of 360 – 444 BHN. Abrasion resistance (AR) steel is proven to be the ideal solution when corrosion resistance and wear resistance is essential. As with other abrasion resistant steels, it does not have a defined chemistry, but rather, grade is determined based on. It has good corrosion resistance and can withstand sliding and impact abrasion. Join Date: Mar 2005; Posts: 783; Share Tweet #2. This is for my workbench. #3. It drills like mild steel afterwords. . This specialized plate is designed for severe impact and abrasion applications. The need for preheat increases with steel thickness, weld restraint, the carbon/alloy content. It's widely fabricated into parts that don’t require high strength. Uses for this steel include the manufacture of heavy construction equipment. Stick: If you Google TriCon Tri-Braze, it will bring up the data sheets on the chemistry composition and recommended welding proceedures. T1 has a Brinell hardness of 300. For example : Lincoln 's Lincore 55, Lincore 50 , Lincore15CrMn are all Rc-50 . AR400 | AR400F Steel Plate. Metals Depot - America's Metal Superstore is your complete supplier for industrial metals worldwide. Branches featuring AR400 | AR400F Steel Plate products. (10) Spools of Alcotec "Almigweld ER4043" Spool Gun Spools. Steel Shot Blasting. 4140 steel properties. Can I weld cold rolled steel to AR400? To save money, i would like to use cold rolled steel for the sides. Laser Cutting. I don't know what volts your running on your Mig. This specific steel has good formability, weldability, and notch toughness when in the as-rolled condition. 030-Inch MIG Wire – Best Overall. Min Order: 1 ton. These elemental differences help the steel achieve a higher surface hardness. Low-Carbon Steel Rods and Discs. Post Thanks / Like - 1 Likes, 0 Dislikes. AR400 Abrasion Resistant, “Thru-Hardened” Wear Plate. 00/pound. When welding dissimilar metals, you need to consider the final service condition that the weldment will encounter. 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. Knowing both the yield and tensile strength is important because they each have an impact on the production and use of steel (and many other materials, but we will focus on the steel). Welding = Good - CEV max 0. Tensalloy™ AR500 steel is a grade of abrasion resistant steel plate that offers outstanding wear and impact resistance. TIP NO. To ensure that the T1 steel weld is successful, preheating and post-heating are both essential components of the welding process. There is a lot of different steel grades as well as designation standards that are used depending on countries, company’s traditions and engineering practices. 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. AR400 vs. A572 Steel Plate . AISI 4330 alloy steel is forged in the temperature range of 1204 to 982°C (2200 to 1800°F). T. The Nickel-90 weld wire is formulated for welding AR400, AR500 ASTM A203 Gr A, and A352 Gr LC1 and LC2. So if you are in that range you will match the ajacent AR plate. jackal Titanium. Plate/Sheet grades including ASTM: A36/SA36, A572 gr 50, ABS/A blasted & coated, A786, AR400, A1011 & A1018 CS-B. Why is preheat sometimes required before welding? Preheating the steel to be welded slows the cooling rate in the weld area. 321. Ultra-Wear-Resistant AR500 Carbon Steel. General Info About AR450 / AR450F. Summary. AR400 is “thru-hardened”, abrasion resistant, alloy wear plate. TOP. The AR steel grades include: AR200, AR235, AR Medium, AR400/400F, AR450/450F, AR500/500F, and AR600. AWS D1. Below are the 6 keys to successfully (no cracking) welding AR plate. 5" thick and pinning the tip right to the body. welding process preheat temp. Drilled thru with a Hertel HSS bit, (no cobalt) and I used a Hertel spiral point tap, TiN coated. What is SA516 grade 70 steel? Out of the four grades—55, 60, 65, 70—that are available for this steel, grade 70 is considered the most widespread. AR400, or AR400F steel, is a high-carbon. S. 3. A514 AR400 abrasion resistant steel plate is a good candidate for some processing techniques. Excellent resistance to both impact and sliding abrasion at a moderate cost. 1:2020 contains the requirements for fabricating and erecting welded steel structures. The high-carbon alloy steel grades are determined on the hardness of the steel. T. T21 has a wear life twice that of AR400. The milwaukee cobalt bits haven't needed resharpening but they're not cutting like they should. Rockstar 400 Plate is a high-carbon alloy steel that is specifically designed for abrasion and wear resistant applications. It has more hardness than the AR400 steel plate with good formability, good weldability, good ductility, good strength, and good impact resistance. The adequate preheat is usually recommended by the manufacturer of the steel. ) of around 0. Then I might have a remote possibility of helping you. This hardness level makes AR Medium grades. AR4500 Steel Plate Sizes. WELDING AR400 & AR450 have excellent weldability that customers rave about and can be welded with simple procedures and common consumables such as E7018 inclusion shape control. The Nickel-90 weld wire is formulated for welding AR400, AR500 ASTM A203 Gr A, and A352 Gr LC1 and LC2. Call or Email Us For a Free Quote. ≤ 0. ASTM A36 Higher mechanical properties than A283. However, one disadvantage is malleability. After quenching test the material using a file. Cut about 20% stepover amount in your toolpath settings. AR400 stands for abrasion resistant with a minimum hardness on the Brinell scale of 360 and a nominal hardness of 400. HR A569 Steel Flat is stripped from coil and A36 is rolled as bars. Any how, keep up the good work. AR400 is a quench and tempered steel and may be difficult to weld due its high strength and hardenability. AR400 | AR400F Steel Plate. AR400 is not suitable for use as a structural steel. The base steel around the weld rapidly heats and cools during welding, resulting in a heat affected zone (HAZ) with high hardness. Choosing a Welding Power Source. W. It’s often referred to as Hadfield steel, or Hadfield grade, as Sir Robert Hadfield discovered it in. Comparison of Welding Characteristics of Type 304 Stainless Steel with Carbon Steel Carbon Steel Type 304 Remarks Melting Point 2800 2550-2650 Type 304 requires less heat to produce fusion, which means faster ºF Approx. Amarillo. Directions. A656 Steel Plate . The abrasive wear resistance of the mild steel was improved after deposition of hardfaced layers by up to 5. Primarily used for abrasion resistance to coal, gravel and other substrates. 321. G 2T ® Ceramic Lined Pipe; Steel Round Bars. Welding Out-Of-Position With A Chrome Carbide Hardfacing Wire JADCO • Rich F. 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. Otto Nobedder; Weldmonger; Posts: 8429. A514 Steel. AR400 steel vs T1. ContinuedHardox ® 600 for superior wear resistance. 5t can be used when bending parallel to the roll. Rhino-Tuf EZ is an abrasion resistant, “thru-hardened”, AR400 wear plate. In fabrication and construction, the composition and grade of the steel plate materials used have a tremendous effect on the end product. This wire is designed with 1% nickel and microalloying to produce welds with tougher weld joints. One of the main disadvantages of AR400 steel is its high level of brittleness. 94-05 This list was supplied to assist in tracking those alloys that may be employed for various projects; it formed part of the Projects List used at Thyssen Marathon/NiDI Seminars May 6 and 9, 1994, Montreal, QC, and Toronto, ON, respectively. ) and the going rate was about $200 bucks for a 66" edge, 1/2" thick. jpg. QUALITY MANAGEMENT PLAN Excavator Boom amp Stick Scope of. This publication may be referred to by other codes and standards that have welding procedure and performance require- Contact a Clifton Steel Representative today for details. Download Now. While not a good candidate for forming and machining, AR400 plate is suitable for welding. I made one from mild steel. I'm going to have the teeth flame cut from 2" AR400 plate. A36. If you need abrasion or wear-resistant steel materials, give us a. Start running like you just stole third base and your diving for home plate. We have a procedure on the books for this. for hardness and strength. A little history and background on 4140 Steel in relation to other mild and carbon steels in the industry. Welding LH-D Electrodes Open Root Pipe Welding. Tap-Tap. Abrasion resistant 400 steel is proven to have the best-prolonged service life where abrasion is the cause of failure. Use them for outdoor signs, cabinets, and doors. 04% Sulfur. This ebook covers tips for creating and managing workflows, security best practices and protection of intellectual property, Cloud vs. This is a high-carbon alloy steel that is perfect for rugged applications that require high wear resistance. This high-strength, quench and tempered alloy steel is perfect for heavy vehicle parts, construction and repairs. I'm sure I got a pc of AR-400 because it cracked, so I gouged it out preheated and rewelded it and had no problem after preheat. AWS B2. However, the special properties of AR400 Wear resistant steel plate make it the only choice for bulldozer blade and other applications. AR400 plate is appropriate for welding. It's often used as wear strips, liners, and deflector plates. YouTube. Reskinned some areas wit AR400. we set 30 volts with . I run an AR500 plate from a well known target manufacturer here on. 67x39 steel cores hit the first plate sideways. Get a quote today! As a result, customers can expect longer-lasting wear parts in some of the toughest applications. A good rule to know is brinell hardness divided by 2 is the approximate tensile strength. AR400F has a minimum Brinnel hardness of 360. What is the difference between AR200 and AR400? AR200 and AR400 are both Abrasion Resistant steel plates. Find a knowledgeable welder to reattach the new tines. 25%; Manganese, 1. Hankev is an industry leader in depth, breadth, and availability, serving over 1000 customers worldwide. Hardox® 450 is an abrasion-resistant brand with a hardness of 450 bhn. Chris, I welded some AR plate back in 1979 or 1980 built a hopper for a local rock quarry. 5160 steel is exceptionally tough and resilient. Cast steel is easier to weld, but the metal stretches when heated, which can lead to distortion and fractures. Drilled thru with a Hertel HSS bit, (no cobalt) and I used a Hertel spiral point tap, TiN coated. 96” x 576”. I have quite a bit of 3" angle that is 3/8" thick that I will use for the majority of the frame. Innershield® NR®-305 from Lincoln Electric is designed for in-position, high deposition welding on carbon steel. 75/pound for 400 and $1. The cladding process was performed using metal-matrix composite (MMC) powder belonging to the. Can You Weld AR400 Steel. Oct 21, 2021 #8 52 Ford said: Heres something talking about welding AR400. Low alloy or carbon steel base welding consumables having a maximum yield strength of MPa (72 ksi) are generally recommended for Hardox 400, 450, 500, 550 and 600. If the requirement for sake of argument is 150degF , it would be 150degF whether you undermatch with E7018 , or you want to use a alloyed electroded with great impact properties such as 1% nickel electrodes ( Nickel helps low. You would want to use AR400 steel if your activities will need high wear resistance levels. A572 steel is a high strength low alloy structural steel known for its versatility. AR 400 plate. Metal :P. amazing blaze welding . It weights 600 pounds and according to Jeff, it will cost $2,800 plus $200 for shipping to get one for my loader bucket. Stay updated with our newsletter!Level III contractor for R. This materials is an Abrasion Resistant, Thru-Hardened, Alloy product. Rhino-Tuf® EZ Drilling, Forming, and Welding; Ultima™ 601 Welding I. Having said that do not fall into the most common trap that Rc is everything ( very common misconception ) . View Profile View Forum Posts Find Started Threads; WeldingWeb Foreman Join Date Dec 2006 Location Southern New Hampshire Posts 919 Post Thanks / Like. The volume of the steel bar is the product of the area of the cross-section and the length: π x r 2 x l = 3. 1 Preheat: Preheat means the minimum preheat temperature before welding. This temperature shall be maintained while welding, unless a minimum interpass temperature is stated. What electrode tensile strength should be used for each, and how much preheat? Likely be using MCAW and SMAW. Uses for this steel include the manufacture of heavy construction equipment. Box) with 181. NITRONIC® 30 is an excellent grade to replace AR400 as an abrasion steel, abrasion corrosion resistant, abrasion stainless. In most cases you would preheat Q&T plates ( due to its hardenability tendancy ), expecially when you get into the higher harness. AR400 Wear Plate is quenched and tempered steel. Also, improper welding of the steel creates soft areas on the steel that can crater or pock. Will be welding AR400 and AR500 steel one day and softer steel the next day. For AR400 I think E71-T8 is a much better choice. Tweet. 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. It has more hardness than the. The normalizing process is designed to relieve stresses, which results in improved ductility and toughness. I want to put replaceable teeth on the tips. Carbon Equivalency (47) 1/8″ to 1″ Thicknesses. We are your Atlanta metal supplier for 304 stainless steel, 316 stainless steel, A36 carbon, 1018 carbon, AR400 carbon, 3003 aluminum or 6061 aluminum, 5052 aluminum, and more. There is no way for a bullet to get to the first plate without sliding down one of the 10 degree plates. If you're using AR400 I would think most people would have an adequate machine to run 1/16". 250” - 1”, widths 2” - 10” and lengths up to 20’. 72“ AR400 steel $4960 #960. Years ago I was needing a new cutting edge. The AR400 is also quite hard and strong, but it’s highly regarded for its resistance to both corrosion and impact abrasion. Unparalleled Strength. Lists two possible chemical variations for steels (grades 50, 60, 70, 80, and 100). Renowned for its high impact strength and resistance to abrasion in its hardened state, the steel is often described as the ultimate work hardening steel. Kromite® #3 and Mirraloy® TGP Welding Guidelines; Kromite® CD Hardness and Strength Comparison Chart; Close; Mirro-Krome 60® (I. (°c) ea2 + uv420ttr flux & el8 + lincoln 780 flux (for pema) e7018 welding consumable chart er80s-b2 e8018-b2 eb2 + uv420ttr flux 350°c 350°c for. For example, if you were welding some quench and tempered plate such abrasion resistant ( AR400 ) wear plate. If you're using AR400 I would think most people would have an adequate machine to run 1/16". Norm right from Lincoln. The base steel around the weld rapidly heats and cools during welding, resulting in a heat affected zone (HAZ) with high hardness. Branches featuring AR400 | AR400F Steel Plate products. This plate product is intended for use in applications where a good balance of formability, weldability,. AR400 is a quench and tempered steel and may be difficult to weld due its high strength and hardenability. ASTM A131 A&B / ABS A&B; ASTM A131 / ABS AH36 / ABS DH36 / ABS EH36; API 2H Grade 50;Carbon Steel 의 경우, 2. It has 360 – 444 BHN lower hardness. Our "weld test" was merely to verify the preheat was high enough that the weld would break in the throat before a "chunk" would pull out of the base metal. I ended up finding one about 80" long and 5/8" thick so I just cut it to length. ASTM A283 General purpose, low-cost structural quality plate. Our wire products have been formulated to be compatible with our premier metals, AR400, AR500, A514, Manganese Steel. Steel Plate & Sheet Alro Steel Metals Guide ASTM A-514 Plate *This grade of steel may be susceptible to cracking in the heat-affected zone of welds during post-weld heat treatment (stress relief). ASTM A514 steel plate is quenched and tempered carbon-alloy steel great for use in welded bridges and structures. hardened surfaces, Ultima 601 becomes the ideal abrasion resistant product that can handle the rigors of extreme maintenance problems. General Info About A656. • Employ/Retain at least one Welding Engineer (Div. Wear life is greater than conventional AR500 products, thereby reducing replacement frequency and resulting costs. TruWEAR’s chemical structure and mechanical properties provide for a combination of. Bending and Forming. 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. Copper/Nickel 90-10 – C70600 Copper/Nickel 80-20 – C71000 Copper/Nickel 70-30 – C71500 Monel. Similar to the annealing process, the steel is heated to a temperature just beyond the critical point (again, the AC3 line) and held for a set period of time. 5 inch (63. Do You Need AR400 or an AR500 Steel Plate? Choosing whether you need an AR400 or an AR500 wear resistant steel plate will depend on the application. Then I'd preheat to 400 degrees F & use either dual shield, or 7018 rod to weld to bucket. By fostering knowledge, embracing change, and providing real-world opportunities. #7. Its a high strength steel with excellent impact and sliding resistance, and decent welding capability. harbor freight welder . SSAB’s ASTM A656 Grade 80 steel plate is a formable, high-strength, low-alloy hot-rolled material that has been developed for applications where increased strength-to-weight ratios are required. When a project calls for AR plate, it is generally because of the length of wear on the plate is minimized. It also includes a steel's tension strength and yield strength. Largest selection of A514, T1, A572, A516, A588, AR400, steel plate at wholesale prices. 3/4″ to 4″ Widths. The AR plate products that we use in the Power industry are typically welded with E7018 low hydrogen weld rod. The steel will be placed in the press brake where a bend or bow is, the top. The Nickel-90 wire is intended for use with 100%. Mild steel solid wires are usually plated with copper to prevent oxidation, aid in electrical conductivity and help increase the life of the welding contact tip. Gun Weld Packs. In most cases you would preheat Q&T plates ( due to its hardenability tendancy ), expecially when you get into the higher harness. Would like some recommendations for welding AR400 and T-1 steel. Details. Welding Solutions. The T1 steel offers great weldability and excellent strength, especially in below-zero temperatures. Alloy: Yes. #3. 2, W186) plus a “Construction” standard (e. Additional Skills & Qualifications: Welding on mining equipment previously. 2, and K is the true stress at a true strain ɛ = 1. The temperatures should not pass 400°F and heat treatment after welding is not recommended if you want to maintain the original hardness levels. This product is intended for applications where a good combination of abrasion. Welding = Excellent. Interested in Welding? This course is a hands on introduction to the common welding processes used in industry. Our metal laser cutting services support a variety of metal materials, including: Steel, Stainless Steel, Tool Steel, Spring Steel, Aluminum, Brass, Bronze, Copper, and Titanium. However, the big advantage of A36 is the overall cost. 15-0. Auction will be held on Tue Dec 05 @ 10:00AM at 2194 Prokosch Road in Mora, MN 55051. This seems extremly high, but I never heard of AR 400 Steel. Strength. ABREX 400, also called SUMIHARD 400, is a union of toughness and hardness, giving it the exclusivity to be used in moderate wear areas. Typical tensile strength is 180,000 PSI. [3]AR Medium Steel. 75″ can be cold bent to minimum inside bend radius of 1. General Info About AR600 AR600 is the most durable abrasion resistant steel plate. AR450 steel is a high-carbon steel alloy that has a surface hardness between 400-477 BHN. Excellent resistance to both impact and sliding abrasion at a moderate cost. AR400 Steel Plate – Tensalloy AR400 Armor Plate. Welding techniques and challenges differ from metal to metal, whether they are ferrous or non-ferrous. There’s really no single specific chemical composition for AR400 steel, as long as it meets the required hardness level. The base steel around the weld rapidly heats and cools during welding, resulting in a heat affected zone (HAZ) with high hardness. Elongation: 35 %. WELDING AR400 & AR450 have excellent weldability that customers rave about and can be welded. Need some help with ar400 plate weld procedure. Middletown services the New England & tri-state area including upstate NY, Delaware, Maryland and parts of Pennsylvania. Poor impact resistance: Nearly all wear is a combination of abrasion and impact. BTW AR400 is similar to Hardox 400 etc. 5425 N Whitaker Road. When it comes to cost, Hardox is more expensive than AR400. One of the main disadvantages of AR400 steel is its high level of brittleness. Duplex and Super Duplex Stainless Steel (Grades 31803, 32750) 10I. I use it for my pistol targets I usually get the stuff for about $. Plates in Hardox ® 400 come in thicknesses from 2 to 130. ASTM A572 contains 5 yield point grades: Grade 42, Grade 50, Grade 55, Grade 60 and Grade 65. Hardness range is 360/440 BHN with a nominal hardness of 400 BHN. Ar500 Price Per Square Foot is USD 2. AR 400 plate. Forging. E71T-11 is kind of a general purpose wire and requires a lot of passes to meet the AWS specs. Where maximum AR400F is quenched and tempered through hardened wear resistant grades of abrasion resistant steel plate used for high impact and abrasion resistance. 1 or 2 only) • Must demonstrate: • Minimum education/knowledge • Steel / aluminum, welding fundamentals, welding. 3) can be welded with all classical processes: manual, semi-automatic under gas protection, automatic under flux. This can make it more. I. Q: What filler metal should be used to weld AR400 plate? A: Abrasion-resistant steel plates, or AR plates, are designed for long service life in harsh conditions, which is the reason for their incredibly high hardness. A633 Gr. Mild Steel Plate Black AR400 is a flat shaped plate of AR400 Black Mild Steel. (10) Spools of Alcotec "Almigweld ER4043" Spool Gun Spools. Design values of additional material mechanical properties for structural steel. FormingRepairing Hydraulic Pipe on Excavator MIG Welding Forum. In this article, the production of abrasion-resistant steel plate is described and the differences between hardness levels are studied. 1416 x 10 2 x 1000 = 314,160 mm 3 = 314. AWS D1. AR400F is a through-hardened, abrasion-resistant plate with a nominal hardness of 400 HBW. 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. Phone: 800. Ensure mill scale in weld area is removed and the plate is always at a temperature >60F. For AR 500 it is $1. I bury my work. AR400 is harder than AR200. In addressing these requirements, this code takes a comprehensive approach in outlining specific connections and welds, such as groove welds, fillet welds, and plug and slot welds, and it also touches upon numerous other considerations, such as. If memory serves welded with 7018's no pre. lorenzo. 1-BMG:2005 1 Base Metal Grouping for Welding Procedure and Performance Qualification 1. but when you consider machining, gripping carbon steel the magnets holding it are sufficient enough to make them permanent magnets because of high carbon content. The base steel around the weld rapidly heats and cools during welding, resulting in a heat affected zone (HAZ) with high hardness. AR400 is 40 rockwell , right? Sent by freight using Tapatalk. The material is through hardened, not surface hardened. The Drip Cap. I usually work with 1" and above, and use mist. CO 2 does a great job stabilizing the arc when MIG welding mild steel. AR200 steel is a medium-carbon manganese steel with moderate hardness that's supplied nationwide across our 40+ branches. Some of the most reviewed products in Welding Rods are the Lincoln Electric 1/8 in. Laser and Plasma Cutting. 4. Yes, plug weld = burn a hole in the top sheet to weld it to the bottom sheet. ≤ 0. AR400 | AR400F Steel Plate. Kloeckner Metals stocks ASTM A588 in coil, cut to length, hot rolled, and discrete formats nationwide. 2-0.