$egingroup$ What Jason said, but there seems to be a lot of BS about AR500 on the web. Welding T-1 Steel. The bonds were characterized by scanning electron microscopy, energy dispersive spectroscopy and X-ray diffraction analysis. Frequently Asked Questions About AR500 / AR500F What is Wearalloy AR500? Wearalloy 500, or AR500, is a specific type of abrasion resistant steel that is created by a heat treatment that through-hardens the steel to create a high impact structure. S. It is primarily used in rifle-grade steel plates for bulletproof vests and targets. Hardox ® 500 Tuf is a clean steel with extremely consistent, guaranteed properties for flatness, thickness and bending performance. AR500 is a quenched & tempered, abrasion-resistant grade of steel plate. Specification Range of NM360 Wear Resistant Steel Plate: Thickness: 8mm-300mm. Can be welded & formed to unique specifications. To produce the ferrite-martensite microstructure in the dual phase (DP) steel, low carbon micro alloyed steel is intercritically heat treated followed by short intercritical annealing. $129. Body armor from Armored Republic is made from steel alloy, ceramic, polyethylene & aramid fabrics by free craftsmen in Phoenix, AZ. Plates measure on average 40 RHC. 5” to 6” thick. Thanks to its weldability and forming capabilities, AR500 steel is used in the design and manufacture of everything from protective body armour through to the. The ar 500 plate supplier supplies the plate in quenched, tempered, sheared, or thermally cut edges and thicknesses. To give you an idea what it might cost I can typically truck 500-1000 lbs for $200-300 anywhere in the country. 284 lb/in 3) and benefits from heat-treatment hardening. . Both ASTM A36 SS400 steel are designed for structural purposes. AR500 plate is highly impact resistant, boasting 1. While still a carbon steel, trace elements are added to enhance material properties. Ar500 Price Per Square Foot is USD 2. This alloy has higher levels wear resistance and hardness than AR400 and AR450 but the formability is inferior. It has been shown that shear strength decreased with increasing the. With a Millermatic 180, you could do 3/16" (. However, SSAB has two UHH armor steels designated ARMOX 600T and ARMOX ADVANCE that meet this hardness criteria. Introduction. 08% molybdenum and 0. Mechanical Properties Available Lengths Plasma Cut Tolerance; Brinnell Hardness – 400/440 BHN Tensile Strength – 180,000 PSI Yield. Brinell vs Rockwell C. 28-0. H13 chromium hot-work steel is widely used in hot and cold work tooling applications. We also offer High Definition Plasma Cutting for custom shapes. Hard Side Plates . Q235B and ABS Grade A Chemical composition %. stocking distributor of Maraging 350 / VASCOMAX® 350 available in billet, bar, rod, plate, sheet, and customized forgings. AR500 is a type of abrasion-resistant steel produced by the company called AR500 Armor. The malleability is a property of a material which permits it to be hammered or rolled into sheets of other sizes and shapes. These advanced JFE 500 plates withstand high impact forces. S7 tool steel properties. 04% Sulphur. The maximum hardness can. similar mechanical properties to RHA. Stainless steels are defined as low-carbon steels with at least 10% chromium with or. A516 steel plate is the most popular pressure vessel quality steel plate. 75 mm (3/16 in. Steel Warehouse supplies AR400 steel plate, sheet, and coil, specifically designed for abrasion and wear-resistant applications. B Applies to specified wall thicknesses (t) equal to or greater than 0. This prevents carbide precipitation at the grain boundaries and protects the metal from corrosion. The AR400 are premium abrasion resistant steel plates that are heat-treated and exhibit through-hardening. In general, the ABS Grade A shipbuilding plates and Q235B mild steel plates almost have no big difference. Recommended for riveted, bolted, or welded structures, such as Gussets and Bridge Plates, when intended for construction of bridges. 005” (0. The typical important properties such as thermal, mechanical, and dielectric properties of CCLs were investigated in detail. Directions. 29%. 50%. AR400 VS AR450 VS AR500. Hardness. The mechanical properties of annealed maraging 350 alloy steel are outlined in the following table. It has a density of 7. AR500 steel plate is a high-carbon steel alloy and has a surface hardness of 477-534 Brinell Hardness. A370 differs from E8 in that it further defines the specimen characteristics of steels specific to several different product types. Other AR steels are AR200, AR400 and AR500. Its relatively high Cr-content makes it remarkably oxidation- and corrosion-resistant and very useful for high. Contact. We stock AISI 4140 steel in squares, flats and hexagons. It shows excellent weldability and machining capability, making it ideal for use in industrial and commercial structures. Electrical conductivity at room temperature of about 6 million siemens per meter. Traditional steel designations 2-5 Mechanical properties, room temp. It is normally supplied in cold-drawn or as-rolled conditions. We offer Class C and Class H in accordance with this specification. A514 is a conventional quenched and tempered alloy steel plate designed for structural applications. Trying to get the same grain structure etc by forging or pressing instead of rolling won't work. Body armor from Armored Republic is made from steel alloy, ceramic, polyethylene & aramid fabrics by free craftsmen in Phoenix, AZ. Grade: Yield Strength MPa: Tensile Strength MPa: Elongation A: Impact Strength Charpy V 20 J: 400 AR: 1000:. Tel. Supplied in the as-rolled condition: Q&T or Tempered. A -AR550 stands for Abrasion Resistant metal with a Brinell hardness ranking of 550. So, what is AR500? AR500 is a hardened steel that is commonly used for targets, armored applications, truck plows and in mining. Tagged on: ar500 targets. It features excellent impact and shock resistance and decent resistance to softening at high. The AR400 is also quite hard and strong, but it’s highly regarded for its resistance to both corrosion and impact abrasion. Grade 440C stainless steel is a high carbon martensitic stainless steel. 4140 Chromium-Molybdenum Steel. Some of the typical mechanical properties show huge applications in space and. 662. HSLA steel plate, abrasion-resistant steel plate, and more—and are selected based on the physical and mechanical properties that result from their unique chemical compositions. The hardness after quenching is as high as 66 HRC. Tensile strength is the amount of force required to pull a material apart. Mark and Bob test out some target gongs made of AR500 and compare them to equivalent mild steel plate. Its first common application was in tanks. 4 mm (1 in. ASTM A500 steel pipe mechanical properties Min (MPa) Grade Tensile Strength Yield Strength Elongation Gr. The tensile strength and hardness of AISI 4340 and AR500 steels were evaluated and compared to that of RHA and the results were analysed based on its chemical compositions and microstructural observation. 2. PROS & CONS OF STEEL ARMOR. Grizzly Target’s SR500 is produced on the same production line as SSAB’s high quality Abrasion Resistant (AR). Typical Mechanical Properties; Brinnell Hardness – 475/535 BHN Tensile Strength – 255,000 PSI Yield Strength – 200,000 PSI Grain Type – Temp. For more information on other welded steel pipes that Alro. Stee Tb Institute Brochure: Dimensions And Section Properties ASTM A500 steeltbeinsttte. of properties is possible because of the low-carbon chemistry and the thermo-mechanical controlled processing used in the manufacture of 100 XF. Yields for AR500 steel are in the region of 1100 MPa with tensile strengths of about 1250 MPa. AR500 is a quenched & tempered, abrasion-resistant grade of steel plate. Zelienople, PA 16063 phone: 724-846-5300AR500 STEEL PADDLES - These AR500 steel paddles are designed to withstand thousands of rounds and are made of an 3/8 inch thick abrasion resistant heat treated material; it shows excellent resistance to high impact stresses. Fax: (371) 88884766. Q235B and ABS Grade A Mechanical properties. (2021, September 7). The primary reason to use 303 is when you need a stainless steel with machining capabilites better than that of 304 and 316. The properties listed below reflect typical properties for Steels. According to EN1993-1-1 §3. It is the first physical property that determines the conductivity of steel. 38. 4 mm (1 in. Longitudinal butt joints of welded tubing shall be welded across its thickness in such a manner as to assure the structural design strength of the tubing. AR500 steel plate is a high-carbon steel alloy and has a surface hardness of 477-534 Brinell Hardness. 5% chromium and usually nickel, and may also contain other elements, such as carbon, to obtain the desired properties. Notes: There are two versions that define low carbon steel, one with a carbon content between 0. 1J04 Lost Squirrel. While not routinely tested for mechanical properties, these can be requested as-needed. By continuing to browse this site you agree to our use of cookies. The HSLA, or high strength low alloy grades of steel are specifically optimized for their strength-to-weight properties. CLIFTON STEEL COMPANY 16500 ROCKSIDE ROAD, MAPLE HEIGHTS, OH 44137 FAX: 216. The size of the steel plates is important for various applications and depends on the size of the objects requiring protection. This is also reported by [10] where transformed band produces fine structure increases hardness. 9–12% Cr heat-resistant steel is inexpensive and has excellent thermal-mechanical properties. It has high strength, moderate corrosion resistance, and good hardness and wear resistance. In addition, the tools required to. The greater the yield ratio, the higher the reliability of structural parts. The maximum hardness can. ). The fans were fabricated of ASTM A 588 material. The numbers 200 and 235 refer to the expected Brinell hardness for each AR plate. It’s not really used for knives, either. Values of these properties are primarily reflected by its microstructures and chemical compositions. AR-500F is a formable through-hardened abrasion resistant plate. e. 4. 50W Steel UsesHardox® 450 is an abrasion-resistant steel with a nominal hardness of 450 HBW. 315” thickness offered in 48”-81” wide cut to your requested length. AR Medium plates are the abrasion resistant plates which fall under the class of moderate wear AR plates, which includes AR200 and AR235. 290. Density: 0. 4 mm (1 in. 25% and the other with between 0. THE P Number for ASTM A517 is also 11B. steel, alloy of iron and carbon in which the carbon content ranges up to 2 percent (with a higher carbon content, the material is defined as cast iron). While not routinely tested for mechanical properties, these can be requested as-needed. Aug 7, 2011 15,238 33,238 PNW WA. It has a relatively low carbon concentration compared to D2 and A2 steels (0. The low carbon content is to meet the process performance requirements of NM500 vs ar500, low alloy high strength steel for engineering structural parts such as plasticity, toughness, weldability and cold deformation; adding a small amount of alloying elements (mainly Mn) to achieve the purpose of improving mechanical properties. 30 caliber. AR500 is harder than AR400 and so on. It also has great ductility in its annealed state, making it easy to draw it into wires. They have unparalleled multi hit capabilities when compared to ceramic or polythene armor. CONCLUSIONS In this study, the mechanical properties and microstructures of three high strength low alloy steels were investigated. The hardness also increases the steel’s strength, with better dent resistance as a result. AR500 Steel Mechanical Properties. AR500 has the highest tensile strength, so it is more durable and better suited for high-stress applications. However, the addition of high amounts of carbon also reduces the formability and strength of AR500 as compared to other steel plate grades. You can weld the steel using any conventional technique, and no pre-heating is needed up to 25. Delivery Conditions. Typical applications include armored vehicles, body armor, battle tanks, and many other armored. Composition. If you need abrasion or wear-resistant steel materials, give us a. It is tempered and designed to be abrasion resistant, which makes it ideal for high wear applications. ← material 304 stainless steel. In summary, Hardox and AR500 have unique properties and can be the right choice depending on. Choose from Aluminum, Hot-Rolled Steel, Cold-Rolled Steel, Stainless Steel, Alloy. 00. mechanical properties of the joint. Welding electrode/ TIG MIG filler for ASTM A514, A517. This is also reported by [10] where transformed band produces fine structure increases hardness. 60: 0. Alloy Steels. As a result, HSLA 80 offers high strength and good bendability, with up to 20-30% less weight than would be required with the equivalent strength in carbon steel, and provides excellent weldability. Common. Hardox ® 600 has a nominal hardness of 600 HBW and a uniquely high toughness for such a hard steel. AR500 can resist wear and abrasion, both improving equipment’s longevity and increasing production time. Aug 7, 2011 15,238 33,238 PNW WA. 04% (0. properties and this makes them the material of choice in automotive industry. 1. Steel Plates 2-6-1 Marunouchi, Chiyoda-ku,Tokyo 100-8071 Japan Tel: +81-3-6867-4111 COR-TENTM A006en_01_201904p. 30 0. Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes A0500-03A ASTM|A0500-03A. The elastic modulus of the material affects how much it deflects under a load, and the strength of the material determines the stresses that it can withstand before it fails. Steel doesn’t have to be taken care of as well as ceramic, polyethylene, or Kevlar. What is Abrasion Resistant Steel Plate? Leeco Steel, LLC. In particular, these properties encompass texture, density, mass, melting and boiling points, and electrical and thermal conductivity. AR500 steel plate is a solid and durable material used in various industries, including military, ballistic and hunting gear, manufacturing, and construction. Valast® 450 :125” - . Stick (SMAW) welding of ASTM A514, A517 T-1 materials shall be carried out using E11018 which offers high tensile strength and matching. SR500 is a new type of ballistic protection steel specifically designed for use in targets, ranges and other armor applications. The purpose of complete annealing of AR500 steel plate is to improve the bad structure, such as coarse grain, widmanstatten structure (coarse ferrite with directional growth accompanied by coarse grain) or banded structure, in the process of hot forging, hot rolling, welding or casting due to high temperature, so as to refine the grain, improve the. 00. ) C Torsional shear. Chemical Composition (%)(max) AR Grade C Si Mn P S Cr Ni Mo B; AR 400 Plate: 0. Get a quote today! AR500 is a hardened steel that is commonly used for targets, armored applications, truck plows and in mining. With a high Brinell hardness number (BHN), AR500 steel is perfect for targets because of its functionality and safety. 900” (48. It has high machinability, high strength, high ductility and good weldability. Can be heat-treated. It has a minimum tensile strength of around 530 MPa and a Brinell hardness rating of 477-534 HB. 1 This specification covers quenched and tempered alloy steel plates of structural quality in thicknesses of 6 in. Physical Data. This means that AR is harder due to the addition of carbon, and formable and weather resistant due to added alloys. You provide the values of d 1 – d 5 when you define the Johnson-Cook dynamic failure model. Gongs are good to go regardless of how hard I hit’um! Tested my 1/2” AR500 6” gong with my 375 H&H magnum. 321. AR400-Mild Steel. I'm assuming it was someone who has zero mechanical background because metal pieces designed to. 84-0. The elastic modulus of the material affects how much it deflects under a load, and the strength of the material determines the stresses that it can withstand before it fails. Specialty Steel remains open & fully operational. Most people aren’t really all that familiar with AR500 steel, even though it’s widely used in many industries. Alloy steels are broken down into two groups: Low-alloy Steels. AR450 vs. Typically used in manufacturing of gears, axles, shafts and machine parts. Yield Strength – 110,000 PSI Depth of Plating. They quickly respond to mechanical and heat treatments than the carbon. Armor plates have high hardness and their thickness and other mechanical and physical properties vary according to the application. . 9; ISO 7380 Button Head Socket. It is also used to control the mechanical properties of steel after welding. 04% (0. This specialized plate is designed for severe impact and abrasion applications. As a result, HSLA 100 offers high strength and good bendability, with up to 20-30% less weight than would be required with the equivalent. Design values of additional material mechanical properties for structural steel. 3- Poisson’s ratio, ν = 0. AR500 is a grade of abrasion resistant (AR) steel plate that is known for its hardness, toughness, and resistance to wear and tear. 5. They are developed particularly to resist. The exact composition of AR500 steel can vary, but typically it contains around 0. Care was taken to include as much information as possible about stainless steel flat products used throughout Europe, for the informatio n of the user: • Chemical and physical properties are in accordance with EN 10088-1:2005 • Mechanical properties are in accordanc e with EN 10088-2:2005, except for he at resisting grad es (EN 100 95:1999)AISI 1020 Low Carbon/Low Tensile Steel. Notes: There are two versions that define low carbon steel, one with a carbon content between 0. 119″ – . AISI 4140 alloy steel is heated at 845°C (1550°F) followed by quenching in oil. AR450 steel is a high-carbon steel alloy that has a surface hardness between 400-477 BHN. Department of Mechanical Engineering, Mepco Schlenk Engineering College (Autonomous), Sivakasi, India 1. Protection 400 Armor Steel Plate has high hardness and strength that give it excellent ballistic properties. 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. Additional uses include shooting targets and armor, AR500 steel is commonly used for these applications as higher BHN steels are more brittle. MSO currently has no data available for this grade. Hardox 500 is also known as BHN 500, AR 500 or AR500 steel. AR500F Steel Plate AR500F Abrasion-Resistant Formable Steel Plate. Specifications * Chemistry may vary depending on. 08 0. Give us a call at 800-348-2529 or leave us a message. The mechanical properties of H13 tool steels are tabulated below. Mechanical properties Thickness (mm) Hardness 1) (HBW) Typical yield strength (MPa), not guaranteed 4. Details. Call or Email Us For a Free Quote. bullet traps) and typically comes at the. AR400 Steel vs. Our stock includes a range of sizes and grades that can be difficult to find from a single supplier, including A36 /SA36, A572 Grade 50, A516 Grade 70, A514. Hardox ® 500 Tuf is a clean steel with extremely consistent, guaranteed properties for flatness, thickness and bending performance. 800-875-7624. JEF-EH-C500 Plates have welded joints safety increasing crack resistance. 35 S50C Physical Properties Tensile strength 115-234 σb/MPaThis page cover the A500 Grade A/A500GradeA Chemical element, Mechanical Properties, A500GradeA Datasheet, Cross Reference of A500GradeA Mainly used for. 1. 9300. The AR500 is even more formidable than the AR400 when it comes to abrasion resistance. Depending on the hardness/toughness requirements, the steel undergoes various heat treatments to achieve final properties. AR. because of. 8mm) from either end of the tubing. A key feature is the high strength and toughness with a guaranteed hardness – Brinell. E250 Steel Plates provides good stability and support to modules that they support across stress-induced environments. Compare grades using mechanical properties including abrasion resistance, toughness, size stability, machinability and grindability. $65. The largest HSS in North American can help you build bigger, wider and taller than ever before. Action Target uses only high quality, through hardened steel with a Brinell hardness rating of at least 500, and we use it in every one of our ballistic steel products. Titus Manganese will work harden from 280 BHN to 550 BHN—which is an increase in hardness of over 200%. Mechanical Properties Metric English Comments; Hardness, Brinell : 86. With an extra 50 HBW hardness over AR 400 grades, it provides additional wear resistance for an extended service life with similar toughness as an AR. Tensile Modulus - or Young's Modulus alt. duplex stainless steel grades →. Tensile properties can vary but are usually between 500-800 N/mm². AR400 steel is a high-carbon alloy steel that is specifically designed for abrasion and wear resistant applications. Optional mechanical testing options are available upon enquiry. ) is used for hardening. AR-500F is a formable through-hardened abrasion resistant plate. And AR500 has a tensile strength of 210,000 psi. Grade 202 has excellent mechanical properties due to its high strength and ductility. Workability: Easy to Weld, Cut, Form and Machine Mechanical Properties: Brinell = 63, Tensile = 58,000 +/-, Yield = 46,000 +/- Typical Chemical. Values of these properties are primarily reflected by its microstructures and chemical compositions. In very high-carbon steel, the amount of carbon content present is above 0. Pros. Protector Helmet. Green Bay WI 895 Hinkle Street 54303 United States. Hot Sales Steel Plate 6. Metals and Materials Table of Contents. High-carbon steel plate with high strength and hardness properties. 4140 COLD FINISHED & ANNEALED (Rc 19/24) BAR STOCK. Hardox ® 450 has a solid reputation as a highly versatile, abrasion-resistant steel that also has structural properties. Martensite Carbon. 187) & possibly 1/4" (. Different Mechanical Properties of Metals: 1. AR400, AR450, AR500, what's the. Another related standard is ASTM A501. S50C carbon steel are generally use to make mechanical parts, like spring, gear, tension bar, the roller, the axis, the load spindle etc. Except type D3 steel, all the other group D steels include 1% Mo and are air hardened. Dimensin,shape,weight and allowable deviation according to standards: GB709-88 or EN10029. A quenched & tempered, through-hardened, abrasion-resistant grade of steel plate. Contact. Steel can take a beating without degrading the armor too fast. ASTM A500 structural tubing is welded tubing made from flat-rolled steel, formed through a roller system and welded using electric-resistance welding. 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. 157” . This type of stainless steel plate has a maximum Brinell hardness of 201. It is considered to have fair formability. The ASME Section IX Welding P-Number of ASTM A514 T-1 steel is P Number 11B. Introduction. , turbine blades) of ultra-supercritical (USC) power plants [[1], [2], [3]]. If you’re already a Kloeckner customer, we invite you to shop steel plate on Kloeckner Direct. Our ballistic steel is made in USA, and is an abrasion resistant type (i. There are many manufacturers of it. . Available thicknesses range from . JIS SS400 steel is an ASTM A36 equivalent material. 9% C in a prepared carbon-containing atmosphere, hold for about 4 hours (to reach a depth of 1. The following tables show AISI 316 grade stainless steel mechanical properties such as yield strength, tensile strength, elongation and hardness, etc. 304 stainless steel plate has a minimum tensile strength of 75 ksi and a minimum yield strength at 0. 31% carbon. AR500, AR400) with a high content of carbon designed specifically to have greater hardness properties than regular steel. AISI 8620 alloy steel is a common, carburizing alloy steel. You can find hardness levels for AR400, AR450, and AR500 on their respective pages. Grade A has a minimum yield point of 290 MPa / 40 ksi, versus grade C and D at 345 Mpa / 50 ksi. 9% C in a prepared carbon-containing atmosphere, hold for about 4 hours (to reach a depth of 1. Steel is the cheapest of any armor material. The oil quenching section below 4. Phone: 800. A material’s physical properties denote the physical state of materials that are exclusive of their chemical composition or mechanical components. Mechanical Properties Mechanical properties of AISI 1018 low carbon steel used in this work under cold rolling were defined by tensile test using Universal Tensile Machine (UTM) to evaluate yield strength, tensile strength, and ductility depending on the percentages of cold roll ing. In addition, 316L stainless steel can be easily welded with most. Disclaimer. ASTM A36 SS400 steel properties: JIS SS400 steel is an ASTM A36 equivalent material. ASTM A500 is the most common specification in North America for Hollow Structural Sections. ) 0. Abrasion resistant steel is created by quenching and tempering forged steel plates. 1. A514 ≤ 2. S7 tool steel belongs to the shock-resisting tool steels classification, designated as group S. Key Words:0. 26 Mn max. By far the most widely used material for building the world’s infrastructure and industries, it is used to fabricate everything from sewing needles to oil tankers. 6-0. 3 N Co Pb B Other Cr+Ni≤ 0. Mechanical Properties Available Size Plate (As Roll) Plate (Heat Treatment) Hot-rolled Sheet Cold-rolled Sheet Characteristic Properties201 ontintenta tee ub o 77. AR500F Plate is tempered and quenched through hardened wear resistant grades of abrasion resistant steel plate used for abrasion resistance and high impact. PROS & CONS OF STEEL ARMOR. While all of these grades have slightly different chemical properties, the mechanical properties remain the same for all. 2. AR400 / AR450 / AR500 Overview These grades are used in highly abrasive environments within the mining, cement, aggregate, and various ground engaging applications. 6107 E-MAIL: INFO@CLIFTONSTEEL. Typical composition varies with thickness. COM 1-800-745-3962 ©2013 Clifton Steel Company. Physical Properties 4140 . Mechanical strengths of the joints were evaluated by the shear test and microhardness. Q235 material in Chinese standard GB/T 700 is divided into 4 quality grades: Q235A, Q235B, Q235C and Q235D; Density of this steel is 7. ) is used for hardening. com® Product Guide. – 4140 alloy steel has greater hardenability and strength than 4130. While targeted at more severe wear conditions, Hardox ® 600 can still be cut and welded, making it an excellent choice for high-performance applications. 50%). The ASTM A513 specification covers electric-resistance-welded carbon steel tubing for use as mechanical and ornamental tubing. 6, the design values of the material properties and coefficients for structural steel are: Modulus of elasticity (Young's modulus): E = 210000 MPa. In general, alloy steel is steel that is alloyed with a variety of elements in total amounts between 1. 3 5 0. Heat to 800 °C (1475 °F). The A46100 steel is the only steel that is rated to defeat a bullet traveling faster than 3,200 feet per second (fps). AR-500F is a formable through-hardened abrasion resistant plate. JIS S50C Carbon Steel is one steel grade material in JIS G4051. Additionally, AR500 may be less widely available than S7, as it is used primarily in niche applications. California: 800-996-0411 New Hampshire: 866-557-2874 North Carolina:. ASTM A370 shares the same testing equipment and test methods as another major metals testing standard, ASTM E8. However, the joining of AR500 steel and AA7075 aluminium alloy is. Conformance to required mechanical properties shall be determined by tension and hardness tests. 5%.