#3. Drilling, countersinking, counterboring, tapping, milling, and general machining can be done with conventional equipment and carbide tools. Tri-Braze is the standard for by which all other impact and abrasion resistant alloy steels are measured. More Info. 18. Intended for moderate wear applications, common uses include contact surfaces, hoppers, cement mixer drums and fins, and shooting targets. One disadvantage of this grade is its machinability. MIL-A-12560 is a rolled homogenous armor (RHA) specialty plate and is designed for applications that require maximum protection for ballistic purposes. machining 96 inch long ar400 steel wear strips. AR400 Steel. The tensile strength of A514 alloy steel is specified as at least 100 ksi (689 MPa) up to a 2. But that capability isn’t without its drawbacks. AR400 is “thru-hardened”, abrasion resistant, alloy wear plate. Leeco ® Steel stocks and supplies large quantities of AR400 steel plate, which combines surface hardness with formability. 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. AR200 and AR400 are both Abrasion Resistant steel plates. Specific steel grades (AR400 / AR450 / AR500) in various sizes are available for. This allows the steel to form a uniform microstructure and resets the grain structure to something similar to an untreated steel microstructure. Countersunk holes can be precisely produced by EDM (Electrical Discharge Machining). A36 is a low carbon steel. good machinability and fair weldability. AR400; AR450; AR500; Manganese Steel; AR250; A514; Chocky Bars; 4150 Steel Bar; Scrap & Recycling. Coal and mining equipment additives. 4. I may have a job coming up where we will need to drill a hundred or so steel plates. 00. Here is my contact: Mark Ermigiotti Max Wear Steel Company President 215-340-1552 Office 215-380-3812 Cell 215-340. Here's how you can determine the proper cutting speed for a new material. steel and cast steel, free cutting steel < 0. A little history and background on 4140 Steel in relation to other mild and carbon steels in the industry. It can be then quenched rapidly. US $550-2300 / Ton. AR400 is made for improved formability with low levels of carbon and sulphur for inclusion shape control. In the case of AR400 steel plate, 400 is the plate’s nominal hardness, and it has a hardness range of 360 to 440. Normalizing. For comparison, alloy 303 is the most easily machined stainless steel. Phone: 800. These result in higher tool performance and easier upkeep. 375” – 2. The typical Brinell Hardness range is 470-530. 26% iron, 0. Associated Steel carries an excellent selection of wear products suited to meet the needs of your most demanding. Phone: 800. While each grade is a pressure vessel quality high carbon low alloy steel plate, tensile strength varies among them. Experiment with larger bottom dies, which would also probably require more metal on the part sticking up on your skids (so it can bridge the larger die). Mir50® Machining Guidelines; Close; ASC2250® LDX. 00 - $950. It is typically used when abrasion resistance and high-impact. Welding. Metal fabrication services for small and large components. ASTM A36 Carbon Steel Advantages. High-Strength 1084 High-Carbon. Typical hardness range is 385/425 BHN. Quenching occurs by bringing the steel to a high temperate, between 1,500 and 1,650F, then is. 2200 RPM @ 25 ipm. (THIS IS NOT RECOMMENDED). This seems extremly high, but I never heard of AR 400 Steel. AR400, or AR400F steel, is a high-carbon. About Us. A572 grade 50 steel plate is a high-strength, low-alloy plate, specified for bridges, higher strength structural duties, and light pressure vessel requirements. Excellent resistance to both impact and sliding abrasion at a moderate cost. Plates that are 4” and thicker are made to a 42 KSI yield, although material can be modified to reach the 50 KSI min yield. The cushioning quality of this base metal allows it to absorb impact. Different types of elements contained in steel give it unique properties. 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, stamping and cold forming, automobile. Mangalloy, also called manganese steel or Hadfield steel, is an alloy steel containing an average of around 13% manganese. . Hammer Pins & Tie Bolts;. The hardness also increases the steel’s strength, with better dent resistance as a result. Material available up to 100mm thick, lengths up to 12000mm and widths up to 3000mm;AR400, The only reliable steel supplier of Rhino-Tuf® EZ Wear Bars, abrasion resistant AR400 wear bars and wear strips. 001-. MACHINING Drilling, countersinking, counterboring, tapping, milling, and general machining is performed. MIL-A 12560. We supply A-514 steel for the construction industry, including earth moving and drilling equipment, truck frames and bodies, and oil rigs, among others. ANSWER: Steel plate is typically stocked in 36″, 48″, and 60″ widths and 96″, 120″, and 144″ lengths. 1112 carbon steel a machinability rating of a hundred%. 3/4″ to 4″ Widths. Certificates with a traceable lot number are available for these. ContinuedComplete Ameralloy Catalog. Too small of a grapple, and I will tear it apart. Amarillo. AR400 Flat Bars. The “40” differentiates this steel from other 41xx series steels. AR400 is an abrasion resistant steel plate that offers outstanding wear and impact resistance. Ameralloy provides engineering services for your steel products. The test is achieved by applying a known load to the surface of the tested material through a hardened steel ball of known diameter. Precipitation-Hardening. While not a good candidate for forming and machining, AR400 plate is suitable for welding. It has excellent weldability. During manufacturing to prevent chipping special processes should be used. Grade 309 stainless steel can be headed, upset, drawn, and stamped even though it has high work hardening rate. When one end wears out, turn the tool around for a sharp edge. 1/4 AR400 high manganese wearing steel plate AR400 wear resistant steel sheet/plate ar 400 material $600. While not a good candidate for forming and machining, AR400 plate is suitable for welding. In. Details. Welding Tensalloy™ has excellent weldability and can be welded with. . 1 inch shank DrillA quenched & tempered, through-hardened, abrasion-resistant grade of steel plate. Wear-Resistant AR400 Carbon Steel The nickel and molybdenum content gives AR400 carbon steel the ability to. Plates > 2-1/2" and ≤ 6" in thickness have a minimum Yield Strength requirement of 90 ksi. Carbon Steel Supplier - AISI 1144 and 1045 steel offered in a variety of. 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. ; Louisville has consignment programs offered for. It is a high carbon steel with good hardness and moderate machinability. We specialize in structural steel columns, beams, moment. Surface hardness of 360-440 BHN. Martensitic. The nickel and molybdenum content gives AR400 carbon steel the ability to resist wear better than all other carbon steel. Meanwhile AR500 / AR500F is not formable, but shows good machinability. Description. AR500 steel plate’s advantage over other carbon-steel products is that it ranges in thickness from ½ inches to 4 inches. WINCO-TUF 50 is the cost-effective choice for parts. It's on an already built unit so I can't substitute another steel. I suggest to him to Kasnite the material to add more carbon to it. Supply High Quality Low Price Abrasion Resistant Steel Plate. AR400 is an abrasion resistant steel plate that offers outstanding wear and impact resistance. com;. If you’re already a Kloeckner customer, we invite you to shop steel plate on Kloeckner Direct. AR400 steel can be heat-treated to improve its mechanical properties even further. 75t (where t is the plate thickness) with the bend axis transverse to the rolling direction. 08 0. with good weldability and toughness. A514 is a particular type of high strength steel, which is quenched and tempered alloy steel, with a yield strength of 100,000 psi (100 ksi or approximately 700 MPa). Context 2. Kromite® #3 and Mirraloy® TGP Machining Guidelines;Stronger than low-carbon steel with equally good machinability, 1045 carbon steel is widely used for bolts, studs, and shafts. This specific steel has good formability, weldability, and notch toughness when in the as-rolled condition. Machining process can be performed in the annealed or normalized and tempered conditions. Stronger than low-carbon steel with equally good machinability, 1045 carbon steel is widely used for bolts, studs, and shafts. Call us at 800-321-8500 for a quote. Due to this impressive versatility, it has been a favourite choice among industry professionals for many years. AR450 is not recommended for machining, but is formable. May not sound much but the effect on wear life is impressive. glass, coke, coal, wood chips, bottom ash, rice, and stone) can cause premature wear. P20 has excellent machinability in the pre-hardened state. AR400 is “thru-hardened”, abrasion resistant, alloy wear plate. It has more hardness than the. For those in the shipbuilding industry with contracts for military ships or offshore oil drilling. Mostly because of the inconsistency. The Brinell Hardness number differentiates the abrasion resistant steel grades. US $ 805-1183 / Ton. Menu. We used tons of AR400 at work, with a little AR500 thrown in. 3-0. This means that 1055 carbon steel contains 0. Now answer the question. Chromium carbide overlay plate begins with a mild steel base. The temperature used to heat the steel is based on the chemical composition of the product. 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. AR400 Flat Bars; ASTM A514; ASTM A829 AISI 4130/AISI 4140; Marine & Offshore Steel Plate. Hardox ® 600 has a nominal hardness of 600 HBW and a uniquely high toughness for such a hard steel. Pipeline steels X65, X70, and X80 feature similar erosion-corrosion behaviour. 321. While targeted at more severe wear conditions, Hardox ® 600 can still be cut and welded, making it an excellent choice for high-performance applications. (Sorry for the dirty window) comments sorted by Best Top New Controversial Q&A Add a CommentAR400 is a very hard abrasion resistant steel used for rock truck beds and other high wear items. H. Intended for moderate wear applications, common uses. All our AR400, AR450 and AR500 have additional alloying elements which increase formability and enhance weldability. Overview. The hardened condition is used where added strength or resistance to wear is desired. Hardox ® 400 is a trusted steel in the Hardox ® wear plate family, with a heritage of hardness and toughness going all the way back to 1974, when Hardox ® was launched as the world’s first bendable wear steel. Ameralloy provides engineering services for your steel products. Its machinability under cold drawing or normalizing treatment is obviously improved. AR400 Welding & Machining | Associated Steel Corporation Sent by telegraph using Tap. With its 600 BHN I. . Those are malleable and brittle. 80/20 extruded aluminum near me; metal thickness; telha colonial pvc 230x88내마모강 (AR400,AR500) 2018. This video from my CNC Chef series for Cutting Tool Engineering Magazine gives a quick What is High Speed. CF Metals premium grade of these products are 360 and 400. Minimum yield strength of 100,000 psi. Plates that are 4” and thicker are made to a 42 KSI yield, although material can be modified to reach the 50 KSI min yield. you will give up a little bit of machining time to gain strength and toughness. Such characteristics make it suitable for a wide range of uses. AR600 steel is a durable high-carbon alloy steel with excellent strength that’s supplied nationwide across our 40+ branches. The hardness of AR500 also means the material is more rigid. The results of mechanical properties and technological bending tests have been presented. C1020 has low hardenability properties and is a. A radius of 4t can be used when bending parallel to the roll direction. A572 is an HSLA steel plate with fair machinability. In that time, we have become a well-respected and reliable source for your high strength alloys; such as 4140 CF, 4150 HT, and 4150 HT TGP. e. The “500” in the name refers to its BHN (Brinell Hardness Number) that’s commonly between 460. While AR450 steel is similar to AR400 and AR500, there are some variances that make each unique. 36 Material Group Material Specs. jpg. 801-352-9344; sales@rockymountainsteel. AR500 | AR500F. In this article, the production of abrasion-resistant steel plate is described and the differences between hardness levels are studied. Call or Email Us for a Free Quote. AR450 steel is a high-carbon steel alloy that has a surface hardness between 400-477 BHN. This specialized plate is designed for severe impact and abrasion applications. Heat treating cycle for martensitic hardening of 52100 bearing steel is as follows: The austenitizing temperature is 815-855 °C for 15-40 minutes, each additional inch of thickness increases by 30 minutes. need a little help feeds/speeds in ar400. Hot Rolled Ssab Ar 400 Abrasion Resistant Steel Plates. The material is notoriously inconsistent riddled with hard spots and yields that seem to be in the range of 150-200ksi. The nickel and molybdenum content gives AR400 carbon steel the ability to resist wear better than all other carbon steel. AR500 Steel Plate Sizes. Intended for moderate wear applications, common uses include contact. Coen Steel offers quality steel solutions across Ireland. With an OMAX abrasive waterjet in your shop, sometimes you will come across a new material that has an unknown machinability. Tricon’s unique serpentine cladding process. It has more hardness than the AR400 steel plate with good formability, good weldability, good ductility, good strength, and good impact resistance. Build a Quote for A514 Steel Plate. Thick AR400 plates are harder, and more force is required when cutting. Maximum SFM . Used a Milwaukee mag drill, made a 3" dia. Grades Stocked: A514, AR400, AR500, AR200, A656-80, A572-50, A36, A710; Armor Grades Stocked: Mil A 46100, Mil A 12560 Cl1, Omega Armor (NIJ & UL Level Standards). The nickel and molybdenum content gives AR400 carbon steel the ability to resist wear better than all other carbon steel. Tap-Tap. 050 feed per tooth. High productivity & Low cost. I have milled a ton of AR400 and AR500 wear plates. 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. Theres nothing cheap about machining anything north of 40HRC. 1020 steel has a tensile strength of 420 MPa and a yield strength of 350 MPa. AR400F exhibits an optimal combination of hardness, abrasion resistance, formability, and weldability. 0. A514 T1 steel plate provides a high yield strength of 100 ksi min. 21 0. We are your Vancouver and Western Canada metal supplier for 304 stainless steel, 316 stainless steel, A36 carbon, 1018 carbon, AR400 carbon, 3003 aluminum or 6061. Using the conventional welding practices, like SMAW, SAW, and GMAW, MIL-A-46100 armor plate can be welded. Whereas 400 can be between 360 and 440 Brinell, 500 is between 477 and 550. Raex is a steel that perfectly combines hardness, toughness and machinability, the hardness minimizes wear as the edges of abrasive materials do. 0625" wide by half inch deep. USA Quality Runser Custom Machining Thumb: This thumb is composed of two ¾” thick AR400 steel tines. OK, guys, thanks for your replies, this drill did have a double tip like nothing that I have seen before, and I have drilled over 1800 holes in . 5 inch (63. 1. Product Design. Stocking inventory includes 48″ x 96″ up to 96″ x 288″. AR400 steel is a high-carbon alloy designed explicitly for abrasion and wear. Our ABREX 400 wear plates have a uniform thickness that guarantees an excellent surface finish. P) Machining Guidelines. This grade of steel is specified by the Department of the Army and is available for use by all Departments and Agencies of the Department of Defense. Compared to 1055 carbon steel, 1065 is harder and more durable. g. 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. 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. General Info About A588 Steel. true temper Stainless. For applications requiring notch toughness, Kloeckner Metals also supplies it charpy tested. AR400 Flat Bars. 9% manganese with traces of phosphorus, and sulfur (Capital Steel & Wire Inc. There were 8 of them 2-1/2" thick, and 8 more that were 1" thick. What is ar400 steel? AR400 is a specialty steel designed at the chemical level for improved. Inquiry on all Hi-Def Plasma and Oxy-Cutting jobs. Mirro-Krome 60® (I. Up to . AR400 hardness: 360 minimum / 400 nominal. 0625" cut. 500″ENDURA Steel Advantages. James Lederer. AR400 Flat Bars; ASTM A514; ASTM A829 AISI 4130/AISI 4140; Marine & Offshore Steel Plate. AISI 4330 alloy steel is forged in the temperature range of 1204 to 982°C (2200 to 1800°F). I think if he wants he harder to buy tool steel and then harden it. A514 GR Q Specification: Thickness: 1mm to 500mm; Width: 1500mm to 3500mm: Length: 3000mm to 27000mm. As a global leader and Wearalloy AR450 steel plate supplier, Ford Steel houses a variety of abrasion resistant plates in different sizes and thicknesses. Today, AR material with or without the "F" are interchangeable,. Metals like Hardox, Inconel, Stainless Steel and Armor plate are notoriously hard to drill or machine. 5. The Ar400 Steel Plate offers a good bending capability and shows enhanced resistance to impact abrasion. While targeted at more severe wear conditions, Hardox ® 600 can still be cut and welded, making it an excellent choice for high-performance applications. Cool in Air or Oil required. Contact. Certificates with a traceable lot number are available for these. Grades A and B both have good material machinability. Drilling machining alloy AR 400 AR600 AR500 AR450 AR400 wear resistant steel plate 4x8 price per ton AR400 flat bar cost $650. Hardox ® 600 has been successfully used in cement. prosaic steel & alloy is highly acclaimed manufacturer. The major advantage of HSM is fast cycle time and better tool life. AR450 and AR600 steel plates are also available, but they’re a. 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. It is regularly used in programs where impact and abrasion resistance are required and inside the mining, production, and farming industries. Kotlyn, Inc. Hardox is a wear resistant steel; Also, the combination of hardness and toughness made this steel the best choice when looking for both properties. I am not familiar with QT400 other than it is a abrasion resistant steel. These elemental differences help the steel achieve a higher surface hardness. In addition to its general characteristics of being formable, while maintaining good abrasion resistance, AR400 steel also has the following. Summary – Machinability Rate 40-80%. The Ar400 Plate is not a good candidate for machining due to high hardness, however it has a high weldability. We also have a variety of additional cutting and metalworking equipment capabilities in house to provide additional value to our customers. AR400 steel plate also has the following mechanical properties levels: Machining = Fair; Bending = Good; Corrosion Resistance = Good; Welding = Excellent; Wear Resistance = Great;Katalor Enterprise focus on carbon steel, alloy steel, stainless steel, section steel manufacturing and processing. Our tines will hold up too many years of wear and tear. Grade 316 steel has a machinability rating of 60, while 316B has a machinability rating of 50. This steel is normally used for additives concerned with extreme put-on. Stress relieving offers several benefits. AISI 4330 alloy steel has good machinability features in the annealed, tempered and normalized. 1112 Steel) 170% Familiar Sellers McMaster Carr, Midwest Steel Supply, SendCutSend Material Description: Aerospace grade aluminum alloy which is much stronger and harder than 6061-T6; Pre-heat-treated to T6 temper;. 96” x 576”. 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. 1" × . General Info About AR200. provides consistent, controlled quality so our AR400 plates perform consistently with no surprises. AR400 is a much stronger and harder steel than A36 steel. With industrial machine knives, extremely hard steel with an RC number in the 60s may be too fragile to use reliably. Cutting speeds greater than Algoma’s recommendations can cause rapid tool deterioration. Hardox ® 600 for superior wear resistance. Specialty Steel Company of America. 2-0. Neither are pleasant, both are somewhat machineable. The addition of Mn and Si will increase the over temperature sensitivity of steel. 1018. This includes different blades and buckets, heavy. Watch on. The Machinability is mainly affected by: Carbon (C): 0. 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. Precipitation-Hardening. How to cut manganese steel. This grade is a high value abrasion resistant steel. A514/T-1 plate is available in eight. Welding. FROM CUSTOMER PRINTS ABRASION-RESISTANT STEEL PLATE TENSALLOYTM AR400 TENSALLOYTM AR450 TENSALLOYTM BLUE AR500. 17 0. Therefore, AR400 will have a lower hardness than AR500 / AR500F. It is a hard, tough, wear-resistant steel which is ductile enough to permit certain machining. In lower Hardox grades (up to 500), the hardness is combined with a great toughness, which ensures. Hardox ® 600 has a nominal hardness of 600 HBW and a uniquely high toughness for such a hard steel. AR400 Abrasion Resistant Steel Plate Packing AR400 Abrasion Resistant Steel Plate is sleeved into plastic bag individually, pieces wrapped with water-proof material, bundled with nylon rope. Dec 2007. It’s not an easy material to machine or weld. Request a Quote. AR400 steel, with a moderate machinability rating, is also relatively easy to work with. High-speed machining refers to high feed rates and spindle speed for removing material without compromising part quality and precision. There are four grades: A, B, C, and D. Advantages/Disadvantages. Properties of AR400 Steel Plate. Email: [email protected] steel is a medium-carbon manganese steel with moderate hardness that's supplied nationwide across our 40+ branches. 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. 12mm AR500 Exporting Wear Abrasion Resistant Steel Plate. You can use carbide tools with conventional equipment to do stuff like general machining, milling, tapping, counterboring, countersinking, and drilling. Benefit of using dual phase stainless is maximized at high oxygen and low velocity. We also offer High Definition Plasma Cutting for custom shapes. The actual chemical composition of 1018 steel is 98. What causes magnetism on steel bars & plate? Phone: 800. At Lange Grinding, we have worked with steel meels for decades,. 111. Thread Tools. Hardox 400. This is a high-carbon alloy steel that is perfect for rugged applications that require high wear resistance. 4140 COLD FINISHED & ANNEALED (Rc 19/24) BAR STOCK. We have No Minimum Orders, We Cut to Size. Ar400 steel plate is used where high wear resistance is required. . The harder a steel becomes, the more brittle it is. A quenched & tempered, through-hardened, abrasion-resistant grade of true mill bar. Our inventory includes steel, stainless, aluminum, red metals, alloys and tool steel. Joined May 4, 2006 Location northwest ARK. Hot Rolled Ssab Ar 400 Abrasion Resistant Steel Plate. Cold Working. 9 Mil 1974 50-99. I usually work with 1" and above, and use mist. Due to its special qualities, AR400 can be used in a wide. Recommended for riveted, bolted, or welded structures, such as Gussets and Bridge Plates, when intended for construction of bridges. Related. AR400 is a much stronger and harder steel than A36 steel. This specific steel has good formability, weldability, and notch toughness when in the as-rolled condition. Thick AR400 plates are harder, and more force is required when cutting. AR400: 360-440 BHN This material is commonly used for bed liners, wheel loader buckets, hopper liners, and is commonly used for grinder screens. I have milled a ton of AR400 and AR500 wear plates. ft. AR400 | AR400F Steel Plate. jackal Titanium. With an OMAX abrasive waterjet in your shop, sometimes you will come across a new material that has an unknown machinability. Branches featuring AR400 | AR400F Steel Plate products. ABREX 400, also called SUMIHARD 400, is a union of toughness and hardness, giving it the exclusivity to be used in moderate wear areas. AR400 is a type of steel plate. Forum Login. We also offer High Definition Plasma Cutting for custom shapes. # 7394Norman Machine Tool, Ltd. Stronger than low-carbon steel with equally good machinability, 1045 carbon steel is widely used for. 2-4 times greater life than conventional 500 BHN steels. A514 is primarily used as a structural steel for building construction. With a hardness range between 477 – 550 BHN, AR500 is known for its toughness and excellent wear. D. AR400 Steel Plate; AR500 Steel Plate. 15 0. Low carbon steels are classified by having less than 0. The chemical composition of this grade provides a Brinell hardnessWhile not a good candidate for forming and machining, AR400 plate is suitable for welding. Hardox ® 400 is a trusted steel in the Hardox ® wear plate family, with a heritage of hardness and toughness going all the way back to 1974, when Hardox ® was launched as the world’s first bendable wear steel. A572-50. STRUCTURAL QUALITY STEEL. AR400 vs AR500: Understanding the Difference. . This type of steel is suitable for: Construction of heavy vehicle frames and support structures, Welded bridge structural components. 5t bottom die opening) Over . AR500 is slightly stronger (in terms of tensile strength) than 400, by about 20-25%. You're not going to have any luck at all drilling through the flame cut edge with HSS tooling. Steel Warehouse supplies ASTM A514 steel (also known as T1) grades A, B, E, F, H, P, Q & S. Maintaining more than a . MACHINING. Hardness range of this formable wear plate is 360-440 BHN. Super-C™ is a chromium carbide overlay, wear-resistant plate with a mild steel base for weldability. USA Quality Runser Custom Machining Thumb: This thumb is composed of two ¾” thick AR400 steel tines. Applications. provides consistent,.