Ar500 steel mechanical properties. 30 caliber. Ar500 steel mechanical properties

 
30 caliberAr500 steel mechanical properties  Unfortunately, in recent years a rather large and burgeoning amount of criticism against them has arisen due to a combination of uncertified armour, unreliable materials, and dishonest

65, that of low alloy structural steel is 0. Directions. 84-0. Tensile Properties (Transverse) Thickness (mm) t ≤ 8 8 < t ≤ 12 12 < t ≤ 20 20 < t ≤ 25 25 < t ≤ 80 80 < t ≤ 100AR400 has a hardness of around 400, AR450 has a hardness of around 450, and AR500 has a hardness of around 500. 00. The ASTM A513 specification covers electric-resistance-welded carbon steel tubing for use as mechanical and ornamental tubing. AR500 steel is so hard and impact-resistant that manufacturers use it to make armored cars, underground mining equipment, bulldozers, and excavators. in. 2. It has a minimum tensile strength of around 530 MPa and a Brinell hardness rating of 477-534 HB. 321. AR400-Mild Steel. 68. The AR400 are premium abrasion resistant steel plates that are heat-treated and exhibit through-hardening. 006 Phosphorus (P) . where d 1 – d 5 are failure parameters measured at or below the transition temperature, θ transition, and ε ˙ 0 is the reference strain rate. Stainless Steel. PROS & CONS OF STEEL ARMOR. Manufactured in Australia, BIS 500 steel is used for such purposes as dump truck wear liners, ground engaging tools, earthmoving buckets, chutes, and cutting edges – among other products. AISI 1045 steel is a medium tensile steel supplied in a black hot-rolled or normalized condition. 10. Specialty Steel remains open & fully operational. (50 mm) = 61t + 12, rounded to the. 8. outstanding wear and impact-resistant properties. Amarillo. AR500 steel is mostly iron (as is any steel), with 0. AR500F Plate is tempered and quenched through hardened wear resistant grades of abrasion resistant steel plate used for abrasion resistance and high impact. 3. Dimensin,shape,weight and allowable deviation according to standards: GB709-88 or EN10029. 5% chromium and usually nickel, and may also contain other elements, such as carbon, to obtain the desired properties. You will find steel plate in. It scores about 6. AR500, or AR500F steel, is a high-carbon. 4. Properties The high-carbon composition and additional chemical alloys included in AR500 steel give the material enhanced hardness and wear resistance. 250) with beveling. This specification covers cold-formed welded and seamless carbon steel round, square, rectangular, or special shape structural tubing for welded, riveted, or bolted construction of bridges and buildings, and for general structural purposes. 43% Carbon. 40-0. 1 - 103. 05%) and 0. 40AR500 Steel Plate: 3/16" - 2 "48" - 96 "96" - 480" AR600 Steel Plate: 3/16" - 3/4" 48" - 96 "96" - 480" Wear resistant steel plates Hs Code. A -AR550 stands for Abrasion Resistant metal with a Brinell hardness ranking of 550. This information is provided "as is" and Metal Suppliers Online, LLC makes no warranty of any kind with respect to the subject matter or accuracy of the information contained herein. 0 on the Mohs scale and is highly impact resistant. 00. The carbon potential is close to eutectoid, maintaining a 1 h diffusion. Steel plate is used for a variety of applications requiring durability and strength. Mechanical Properties of A514 Grade B material. Like quenching and tempering, precipitation-hardening also involves two periods of re-heating and cooling steel plate. H13 chromium hot-work steel is widely used in hot and cold work tooling applications. AR500F Abrasion Resistant Steel Plate is designed for. 00 Molybdenum (Mo) . Specification Range of NM360 Wear Resistant Steel Plate: Thickness: 8mm-300mm. This abrasion-resistant steel grade is ideal for parts where long-term and intense wear resistance is a top priority. AR500, or AR500F steel, is a. 4140 PREHARD is heat treated to a medium hardness (HRC 28/32) and is designated as 4140 HT. 278 lb/in 3 (7695 kg/m 3) Specific Gravity: 7. The AR400 is also quite hard and strong, but it’s highly regarded for its resistance to both corrosion and impact abrasion. While all of these grades have slightly different chemical properties, the mechanical properties remain the same for all. Modulus of Elasticity - is a measure of stiffness of an elastic material. 31% carbon. Mechanical Properties of AR400 Abrasion Resistant Steel Plates. The largest HSS in North American can help you build bigger, wider and taller than ever before. duplex stainless steel grades →. 05%) and 0. Workability: Easy to Weld, Cut, Form and Machine Mechanical Properties: Brinell = 63, Tensile = 58,000 +/-, Yield = 46,000 +/- Typical Chemical. Mechanical Properties Available Lengths Plasma Cut Tolerance; Brinnell Hardness – 400/440 BHN Tensile Strength – 180,000 PSI Yield. Specific steel grades (AR400 / AR450 / AR500) in various sizes are available for mining, cement, aggregate and related applications. To ensure safety and longevity of the targets, it is important to choose high-quality steel targets. 05%) and 0. Its a high strength steel with excellent impact and sliding resistance, and decent welding capability. yield strength; 39k min. Tensile strength of RHA and AR500 were 1750 MPa and 1740 MPa. Ar500 Price Per Square Foot is USD 2. Heat Treatment. 3/16″ – 3″ (Widths 72″ – 96″ – 120″) 1/4″ – 2 1/2″ (Widths 72″ and 96″) * Chemistry may vary depending on thickness and application – Please inquire. All our AR400, AR450 and AR500 have additional alloying elements which increase formability and enhance weldability. ) diameter bar. Jul 5, 2022Mechanical Properties (ASTM A370) Hardness: 477-534 BHN (ASTM E10) Yield Strength (Typical) 215. Among our offerings, we specialize in AR500 abrasion resistant steel plates, known for their exceptional robustness and wear-resistant properties. While still a carbon steel, trace elements are added to enhance material properties. It contains at least 10. This information is provided "as is" and Metal Suppliers Online, LLC makes no warranty of any kind with respect to the subject matter or accuracy of the information contained herein. Build a Quote for A514 Steel Plate. Steel is the cheapest of any armor material. JIS SS400 steel is an ASTM A36 equivalent material. This expression for ε ¯ f p ⁢ l differs from the original formula published by Johnson and Cook (1985) in the sign of the parameter d 3. 8-9 Mechanical properties, low temp. #9 Malleability. With a high Brinell hardness number (BHN), AR500 steel is perfect for targets because of its functionality and safety. There are many manufacturers of it. excellent mechanical properties have led to longer tool life; easily reworked and retreated for secondary tool life; Common Specifications: AMS 6515; MIL-S-46850 - Fracture. ASTM A572 grade 50 steel is a low-alloy high-strength structural steel with a yield strength of 50 ksi (345 MPa) and a tensile strength of 65 ksi (450 MPa). Grade. The standard cold-formed carbon steel structural tubing, A500 Hot Roll Steel is the most common type of steel tubing in North America. Its a high strength steel with excellent impact and sliding resistance, and decent welding capability. Download Table | Mechanical properties of RHA, AISI 4340 and AR500 steels. Call or Email Us For a Free Quote. Description: high carbon quenched – quenched and tempered steel with good weldability. Although they share the important core properties of abrasion-resistant steel, the two metals have a few key differences which allows them to cover even more ground when it comes to their. The most common method is oxy-fuel cutting or gas-shielded arc welding (GMAW). 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. General Info About A588 Steel. The higher a ballistic plate ’ s Brinell. 50W steel has a minimum yield strength of 50,000 psi, making it a high-strength material. 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. Hence, the purpose of this study is to investigate the mechanical integrity of AR500 steel and AA7075 aluminium alloy joint produced by a simple torch brazing process. CLIFTON STEEL COMPANY 16500 ROCKSIDE ROAD, MAPLE HEIGHTS, OH 44137 FAX: 216. Yield Point (ksi) Tensile Strength (ksi) Elongation % 44W – 2. 1103/1104, Floor-11, Roxy Cinema Opera House, Girgaon, Mumbai-400004 +91(22)-66363383. Additionally, AR500 may be less widely available than S7, as it is used primarily in niche applications. A514 steel is available in a variety of chemistries: B, E, F, H, Q, and S. Abrasion resistant steel plates are distinguished by their hardness, not their chemical properties. Supply quality metals at competitive prices, with unbeatable service to keep you PRODUCTIVE! Whether you need cut to size or full bar. 4. 180 in. SR500 is a new type of ballistic protection steel specifically designed for use in targets, ranges and other armor applications. High-carbon steel plate with high strength and hardness properties. This prevents carbide precipitation at the grain boundaries and protects the metal from corrosion. 0 - 550: 86. S7 tool steel is a versatile formulation suitable for both cold and hot work service. 35 max 0. 1 This specification covers quenched and tempered alloy steel plates of structural quality in thicknesses of 6 in. Chain Conveyors: Shakeout Liners: Crusher Plates: Wear Guides:. 316L Stainless Steel Mechanical Properties. Tool steel is any of various carbon steels and alloy steels that are particularly well-suited to be made into tools and tooling, including cutting tools, dies, hand tools, knives, and others. 4140 HT is supplied in many forms such as hot rolled or turned, ground and polished. ASTM A36 SS400 steel properties: JIS SS400 steel is an ASTM A36 equivalent material. Values of these properties are primarily reflected by its microstructures and chemical compositions. The exact composition of AR500 steel can vary, but typically it contains around 0. 500″The Ar500 Body Armor Plate is said to stop a high velocity military bullet of 5. Russel Metals Williams Bahcall. Mechanical Properties Available Size Plate (As Roll) Plate (Heat Treatment) Hot-rolled Sheet Cold-rolled Sheet Characteristic Properties201 ontintenta tee ub o 77. A514 is a conventional quenched and tempered alloy steel plate designed for structural applications. stocking distributor of Maraging 350 / VASCOMAX® 350 available in billet, bar, rod, plate, sheet, and customized forgings. Quench in water or brine. S. AR400-Mild Steel. 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. AR500F Abrasion Resistant Steel Plate is designed for severe. Overview. get ABREX 500 HB Steel Plate Price and weight. Plates measure on average 40 RHC. Physical Data. $80. 2. It is tempered and designed to be abrasion resistant, which makes it ideal for high wear applications. 4140 steel is a low alloy steel plate. Stee Tb Institute Brochure: Dimensions And Section Properties ASTM A500 steeltbeinsttte. Mechanical properties are achieved by quenching and when necessary by means of subsequent tempering. The properties of ASTM A514 steel include eight common variations. ; Design codes 10 Schaeffler diagram and microstructures 11 Physical properties 12-13 Fabrication and use characteristics 14-15 Ordering and classification principles 16 Steel and product conditions. The “AR” in AR500 stands for “abrasion resistance,” and the “500” signifies itsBrinell Hardness Number (BHN). 04% Sulphur. Precipitation-Hardening. AR500 Flats & Rectangles; AR500 Wear Plate; Metric Steel; Threaded Rod;. Yields for AR500 steel are in the region of 1100 MPa with tensile strengths of about 1250 MPa. Mechanical strengths of the joints were evaluated by the shear test and microhardness. AISI 8620 alloy steel is a common, carburizing alloy steel. While AR450 steel is similar to AR400 and AR500, there are some variances that make each unique. A36 Steel Properties. AR500, The only reliable steel supplier of Ultima™ 501, an abrasion resistant AR500 Wear Plate. Improved forming and weding capabilities. Brinell vs Rockwell C. In addition, the tools required to. Is AR500 worth the added expense? Watch this video. 5" to 4" thick 40 64-90 20 50W 50 65-95 19 50A 50 70-95 19 Chemical Composition The following composition properties are for the CSA G40. Some of the typical mechanical properties show huge applications in space and. And AR500 has a tensile strength of 210,000 psi. bullet traps) and typically comes at the. I hardness tested some plates with a Rockwell hardness tester setup for the C scale. For round structural tubing with nominal OD of 1. 2 ≤0. 4130 contains 0. Q235B and ABS Grade A Mechanical properties. The maximum temperature for duplex 2205 stainless steel applications is generally below 300 °C (570 °F), because the high alloy content and the presence of a ferrite matrix make it susceptible to embrittlement and reduced mechanical strength, especially toughness, due to prolonged exposure to high temperatures. . Mechanical Data. However, SSAB has two UHH armor steels designated ARMOX 600T and ARMOX ADVANCE that meet this hardness criteria. My cart. The bonds were characterized by scanning electron microscopy, energy dispersive spectroscopy and X-ray diffraction analysis. AR400, AR450, AR500, what's the. AR400 vs. Hudson Tool Steel shares technical data associated with D2 tool steel including stability and toughness. In this work, AR500 steel and AA7075 aluminium alloyMuch like G250 steel, this mild steel is easily weldable and prone to rusting if left unpainted or untreated, yet it’s incredibly durable, offers good form ability, and provides enough give in its composition to avoid breaking or cracking in extreme conditions. The values given in parentheses are. The products can be used in many different components and structures that are subject to wear. Branches featuring A514 Steel Plate products. Hardox 500 Steel Plates thickness can be from 3 mm to 130 mm. For more information on other welded steel pipes that Alro. 3 The values stated in inch-pound units are to be regarded as standard. ASTM A514 steel is an alloy steel formulated for primary forming into wrought products. Shear modulus: G = E / [ 2⋅ (1 + ν) ] = 80769 MPa ≈ 81000 MPa. 1 Hot rolled steels; 3. The typical Brinell Hardness range is 470-530. 00. 47-0. Density: 0. Differences between Chemical composition & Mechanical properties of AR 500 Plate with other AR Plates. Delivery Conditions. prosaic steel & alloy is highly acclaimed manufacturer. This specialized plate is designed for severe impact and abrasion applications. Mild steel and two grades of stainless steel, 304 and 430 are discussed below. G350 steel contains less than 0. THE P Number for ASTM A517 is also 11B. 5” to 6” thick. 8, 10. 1. 29%. This increase in strength and abrasion resistance provides a greater impact and sliding resistance but will make the steel less malleable. More Info. 500 Brinell = 53 Rockwell C. Hardness is the quality most sought after as it provides resistance to ballistic impact applications ( e. PROS & CONS OF STEEL ARMOR. 079‑1. Stainless steels are defined as low-carbon steels with at least 10% chromium with or. When. What is AR500 Steel? Tensalloy™ AR500 steel is a grade of abrasion resistant steel plate. ASTM A500 structural tubing is welded tubing made from flat-rolled steel, formed through a roller system and welded using electric-resistance welding. Supplied in the as-rolled condition: Q&T or Tempered. 1. Mechanical Property. Protection 400 Armor Steel Plate has high hardness and strength that give it excellent ballistic properties. Reactions: QuickNDirty. Pros. High-carbon steel plate with high strength and hardness properties. The MS Plate Is 2062 E250 exhibits superior mechanical properties and toughness. Steel can take a beating without degrading the armor too fast. The higher a ballistic plate ’ s Brinell. It is used to describe the elastic properties of objects like wires, rods or columns when they are stretched or compressed. 15 - 0. The number designation indicates the average Brinell hardness value: 400 HBW. e. Steel Type: Plain Low Carbon Chemical Composition (% by weight) C Si Mn P S 0. Spartan™ Omega™ AR500 bulletproof vest plates hold a 500 Brinell Hardness rating, a scale used to rate the hardness of steel and various other materials. 290. 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. AR500 Wear Plate. 03 ≤0. 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. S50C carbon steel are generally use to make mechanical parts, like spring, gear, tension bar, the roller, the axis, the load spindle etc. Alloy steels are designated by AISI four-digit numbers. It is commonly specified in the US for hollow structural sections, but the more stringent CSA G40. AR500 steel is an alloy made primarily of iron, with small amounts of carbon and other elements. 60 0. First, the plate is heated to a high temperature – between 1,000 and 1,300 degrees – then rapidly cooled. Hardox ® 600 has a nominal hardness of 600 HBW and a uniquely high toughness for such a hard steel. CSA G40. Characteristics and performance. All. Type 303 has mechanical properties that are comparable to both 304 and 316 stainless. Adopting standards: WYJ030-2005. Dmsons Metal Pvt. Other Applications List. Mechanical Properties. AR500 can resist wear and abrasion, both improving equipment’s longevity and increasing production time. However, the addition. ASTM A500 is the most common specification in North America for Hollow Structural Sections. By continuing to browse this site you agree to our use of cookies. AR500 has the highest tensile strength, so it is more durable and better suited for high-stress applications. 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. 1. AR500 steel plate is a high-carbon steel alloy and has a surface hardness of 477-534 Brinell Hardness. 56 and 0. These efforts were similar. AR500 / 500F; AR600; Heavy Steel Plate. Common applications for AR500 steel, or other variations of the impact resistant steel, range from Heavy Equipment and Mining, Shooting targets, to even Armor plates. Different Mechanical Properties of Metals: 1. This article provides chemical composition, mechanical properties and alternative designations of S7 tool steel. Details. Different alloys offer various levels of machinability, weldability, strength and corrosion resistance. ARMOX 600T is a nominal 600 BHN steel while ARMOX Stainless steel grade 303 is the most readily machineable of all the austenitic grades of stainless steel. AR400 / AR450 / AR500 Overview These grades are used in highly abrasive environments within the mining, cement, aggregate, and various ground engaging applications. They quickly respond to mechanical and heat treatments than the carbon. A588 is known for its atmospheric corrosion resistance thanks to a natural patina of rust that forms when exposed to outdoor weather conditions. Houston (Almeda) 14200 Almeda Road. The numbers 200 and 235 refer to the expected Brinell hardness for each AR plate. In very high-carbon steel, the amount of carbon content present is above 0. Differentiators include hardness levels, application uses, and cost. 4140 steel properties include a tensile strength of 95000 psi and a Brinell hardness of 197. 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. You can weld the steel using any conventional technique, and no pre-heating is needed up to 25. 8. AR500 is a high-strength, low-alloy steel that offers great weldability, formability, and toughness. To create a new Sheet Metal specific material, you will need to add a new “Custom Material”. Properties Metric Imperial; Tensile strength: 1140 MPa: 165000 psi: Yield strength. Although Hastelloy C-276 is primarily used for corrosive applications, rather than structural applications, the alloy still boasts good mechanical properties. A strength of. 33 and varies based on the dimensions or any customizations of the grade. Ltd. CONCLUSIONS In this study, the mechanical properties and microstructures of three high strength low alloy steels were investigated. Because PVQ steel is specifically meant to contain gasses or liquids at elevated pressures, they require chemical composition and material properties. Houston, Texas 77053. We are committed to ensure the safety of our customers, vendors and employees. In typical application cases, ASTM A36 and SS400 mechanical properties can. It can have a very high tensile strength among the wrought alloy steels in the same category in the database. They are developed particularly to resist. These plates are designed to. A572-50. The conventional fusion welding techniques between armor and duplex stainless steel could have resulted in the segregation of chemical contents, and. ASTM A36 SS400 mechanical property can achieve the same purpose. In general, the ABS Grade A shipbuilding plates and Q235B mild steel plates almost have no big difference. 33% Carbon and 0. Give us a call at 800-348-2529 or leave us a message. AR stands for Abrasion Resistant and will come in designations like AR400 or AR500 and usually offered as-rolled versus normalized (AR 200, 235 and 600 are also available). Cost. 04 max 0. 57 mm). We had just finished a project to replace four (4) large induced draft boiler fans. 30 caliber. AR500, or AR500F steel, is a high-carbon. ASTM A514 Alloy Steel. However, the formation of reaction layer phases has limited the application of this method of joining due to the adverse effect of these phases on the strength of the joint. 35. Spartan™ Omega™ AR500 bulletproof vest plates hold a 500 Brinell Hardness rating, a scale used to rate the hardness of steel and various other materials. The steel modules are commonly seen in the construction of bridges, buildings, general engineering, etc. Additionally, SAE 1008 has an electrical resistivity. Tensile strength is the amount of force required to pull a material apart. . It can be used with welding. In general, alloy steel is steel that is alloyed with a variety of elements in total amounts between 1. It is tempered and designed to be abrasion. Call or email us now for a free quote! Phone: 800. Notes: There are two versions that define low carbon steel, one with a carbon content between 0. . AR500 VS. AR500F exhibits an optimal combination of hardness, abrasion resistance, formability, and weldability. Additional uses include shooting targets and armor, AR500 steel is commonly used for these applications as higher BHN steels are more brittle. AR500F Steel Plate AR500F Abrasion-Resistant Formable Steel Plate. Alpharetta, Georgia 30004. AR500 steel has a hardness rating of around 500 HBW, making it highly resistant to surface. AR500F Steel Plate AR500F Abrasion-Resistant Formable Steel Plate. The objective of the present work is to investigate the mechanical properties of the dual phase (DP) steels produced by the intermediate quenching (IQ) technique. 800-875-7624. 10 Manganese (Mn) 2. 375” – 2. This is also reported by [10] where transformed band produces fine structure increases hardness. 2t + 17. We stock AISI 4140 steel in squares, flats and hexagons. Most people aren’t really all that familiar with AR500 steel, even though it’s widely used in many industries. Hardox 500 Steel Plates thickness can be from 3 mm to 130 mm. Note: The Table chart below gives typical mechanical characteristics for selected carbon steel properties. Based on the stress–strain curve in Figure 6, steel Ar500 shows similar mechanical properties to RHA and is stronger than aluminium alloy Al7075-T6 due to the higher carbon content in the material. 5 – 3 mm below surface. Results indicate similar tensile properties were observed in RHA and AR500 but different properties obtained for AISI 4340. AR500 Wear Plate. ASTM A500 is a standard specification published by the ASTM for cold-formed welded and seamless carbon steel structural tubing in round, square, and rectangular shapes. Material Properties The following material properties are will be confirmed on the Mill Test Report. These advanced JFE 500 plates withstand high impact forces. 21 is preferred in Canada. 4140 Chromium-Molybdenum Steel. Protector Helmet. Armor plate steel is an abrasion resistant steel plate that is manufactured to perform under military conditions. 119″ – . AR400 VS AR450 VS AR500. While the hardness numbe r was obtained by usingStainless steel grade 316Ti contains a small amount of titanium. Below are the details. Shear modulus, G = E/ [2 (1 + ν )] N/mm², often taken as 81,000 N/mm². AR500 steel plate is a high-carbon steel alloy and has a surface hardness of 477-534 Brinell Hardness. 26mm) and smaller, the outside diameter may not vary more than ±0. 5" thick of less 44 64-90 20 44W – Greater than 2. Tensile properties of RHA were found similar to AR500 steel but different from AISI 4340. 9; ISO 7380 Button Head Socket. This specific steel has good formability, weldability, and notch toughness when in the as-rolled condition. Buyer beware, unless you get the steel from a reliable source (i. 9 0. This grade is specified by the Department of the Army and is available to all departments and agencies of the Department of Defense. ‘AR’ means: Abrasion Resistant. Positive mechanical connection to gong with bolts and lock nuts and two holes at top end of strap around my black pipe. 21. Directions. AR Medium plates are the abrasion resistant plates which fall under the class of moderate wear AR plates, which includes AR200 and AR235. 45 – 0. While still a carbon steel, trace elements are added to enhance material properties. CONCLUSIONS In this study, the mechanical properties and microstructures of three high strength low alloy steels were investigated. This means that AR500 is the hardest among the three grades, followed by AR450 and. It is normally supplied in cold-drawn or as-rolled conditions. Compare grades using mechanical properties including abrasion resistance, toughness, size stability, machinability and grindability. 3. Full Member. ASTM A500. Q235B and ABS Grade A Mechanical properties. Oxy-fuel cutting involves using a high-temperature flame to melt away the material so it can be shaped as desired. It is also used to control the mechanical properties of steel after welding. JIS S50C grade carbon steel is widely used in machinery manufacturing, good mechanical properties of this steel. 3. To give you an idea of the difference between. We use cookies to enhance your experience. Stainless steels are defined as low-carbon steels with at least 10% chromium with or. Tensile properties can vary but are usually between 500-800 N/mm².