ASTM A1008 covers cold-rolled, carbon steel sheets, in coils and cut lengths, in the following designations: commercial steel (CS Types A, B, and C); drawing steel (DS Types A and B); deep drawing steel (DDS); extra deep drawing steel (EDDS); structural steel (SS Grades 25[170], 30[205], 33[230] Types 1 and 2, 40[275] Types 1 and 2, 50[340], 60[410], 70[480], and 80[550]); high-strength low-alloy steel (HSLAS Classes 1 and 2 of Grades 45[310], 50[340]. 0000003847 00000 n CHINA UNITED IRON AND STEEL LIMITEDSales DepartmentEmail: admin@corten-asteel.comTel:+0086-19121467310Website:http://www.a283grc-steel-plate.com/. Their average alloy composition is basically identical. Copyright CHINA UNITED IRON AND STEEL LIMITED NM400,NM450,NM500 Steel plate stockist and exporter at China, GBT 24186 NM500 Abrasion resistance of mild steel, high GB-T 24186 NM450 Abrasion resistant steel, en10025-6 S500QL 1.8909 worthington steel, en10025-6 S500QL 1.8909 used steel wheels, EN10025-6 S500Q 1.8924 jual plat carbon steel, EN10025-6 S500Q 1.8924 plate quenching carbon steel, EN10025-6 S500Q 1.8924 weight of carbon steel plate calculator, EN10025-6 S500Q 1.8924 unit weight of carbon steel plate, EN10025-6 S500Q 1.8924 zinc plated carbon steel, EN10025-6 S500Q 1.8924 low carbon steel plate. 0000146233 00000 n "@type": "Table", }. 0000141197 00000 n This is why we like to provide a helpful chart that . %%EOF im havin a trans adapter plate cut from 1/4" material, one of the shops that quoted the job quoted 1008 in place of the requested a36. As a standard grade, 1008 steel is used in many common, low-stress applications. Ryerson is a leader among North American metal suppliers in the steel bar market. 0000016639 00000 n It typically comes in bar form in various sizes and shapes. Texas Alloys offers the following carbon steel grades: A105, A106, A234, 1018, A36, 4140 and A709 available in a variety of shapes. Grades C1008, C1010, and C1018: machinery parts, tie rods, relatively low strength structural applications, mounting plates and brackets. Weldable 1008 Carbon Steel Sheets & Plates 12 in x 24 in Nominal Size (WxL), sorted by Thickness . 1008 Steel is an economical, general purpose steel grade offering moderate strength and toughness. ASTM A36 (SS400, S275) Structural Carbon Steel, Electrical Conductivity: Equal Volume, % IACS, Electrical Conductivity: Equal Weight (Specific), % IACS, Resilience: Ultimate (Unit Rupture Work), MJ/m, Resilience: Unit (Modulus of Resilience), kJ/m. We offer steel bar stock in a variety of shapes, including flat, round, half round, hexagon and square. Grade 50 is harder to chilly work, however can be successfully bent or formed however requires more force than plain carbon metal. 0000141322 00000 n 0000191459 00000 n What Is A36 Steel? { Both ASTM A36 carbon steel and hot rolled SAE-AISI 1008 are iron alloys. ASTM A366 (alloy 1008) steel Ultimate Tensile Strength, psi 43,900 - 51,900 0000002050 00000 n }, ASTM A513 Alloys 1020 1026 Mild (low-carbon) Steel. In fact, it is rated with a machinability of 160% of AISI 1212 steel. 1018 Hot Rolled Carbon Steel Bar. 55[380], 60[410], 65[450], and 70[480]), high-strength low-alloy steel with improved formability (HSLAS-F Grades 50[340], 60[410], 70[480], and 80[550]); solution hardened steel (SHS); and bake hardenable steel (BHS). So, what comes next? China United iron and steel limited produce ASTM A36 steel sheets and steel plates. Sometimes knowing which carbon alloy steel grade is best for your application can be difficult, because they can vary from carbon alloy steel to low-carbon steel to alloy steel. JavaScript is disabled. Whether in hot-rolled or cold-rolled type, 1018 has higher mechanical properties than A36 with greater yield energy, tensile power, and Brinell hardness. Generally, ASTM A36 and A653 steels are frequently used in the automotive industry, for which Table 3 and Table 4 present their chemical composition and mechanical properties. Well assume 1018 is in its cold drawn state in this comparison. NM400 NM450 NM500 Steel Plate stocklist supplier exporter. This alloy is generally used for commercial quality cold rolled steel sheet. 0 Grade 50 is used normally plate applications when the plate will be riveted, bolted, or welded. all rights reserved, 240 S. Bridge St Suite 300 Dewitt, % Their average alloy composition is basically identical. 0000141577 00000 n endstream endobj startxref Paint and enamel adhere well after cleaning. A513 (alloy 1020-1026) Steel This alloy is generally used for DOM tubing. "@type": "Table", A36 is easy to weld with any standard welding methods, and with lower yield strengths than 1018, it is easier to bend. Note that its yield strength is also significantly less than 1018 this means that it will bend much more quickly than will 1018. %PDF-1.3 In addition, ASTM A572 Grade 50 is noted for its increased resistance to atmospheric corrosion. Are they equivalent material grades? 0000078513 00000 n 0000145738 00000 n Grade A steel plate is used for shipbuilings hull structure and platform. End uses: refrigerators, ranges, washing machines, auto and truck bodies, signs, panels, shelving, furniture and stamped parts. Lower carbon steels are softer and more easily formed, and steels with a higher carbon content are harder and stronger, but less ductile, and they become more difficultto machine and weld. It is used commonly in the manufacturing of automobiles, homes, cutlery, appliances and magnetic cores just to name a few. Capital Steel & Wire for example makes 1018 cold drawn bar in square, hexagon, round, and flat bar shapes and can cut it in any specified length. 304/L avoids harmful carbide precipitation due to welding and offers the same corrosion resistance as 304, but with slightly lower mechanical properties. Both ASTM A36 carbon steel and SAE-AISI 1006 steel are iron alloys. A Header Purchase Order Number is included in your barcode and may override previous purchase orders in your cart, alternative grade of metal typically comes down to five factors, the most specified structural steel plate. 0000004709 00000 n 0000079235 00000 n 1008 | 1010 | 1015 | 1018 | 1020 | 1025 | 1035 | 1040 | 1045 | 1050 | 1117 | 1141 | 1144 | 12L14 | 1215 | 4140 | 4150 | 4340 | 8620 | A36 | A653 | A513 | Mechanical Properties | Physical Properties | Carbon Steel Pipe Standards | ASTM A53 B Working Pressure | ASTM A106 B Pressure Temperature Rating | Carbon Steel | Steel Alloy Designations | Chemical Composition Analysis of Carbon Steel Table | UNS Number G1 | UNS Number G2 | UNS Number G3 | UNS Number G4 | UNS Number G5 | UNS Number G6 | UNS Number G7, Directory | Standard | Heat | Heat Exchanger | Temperature | Pressure | Corrosion | Hardness | Surface | Properties | Select Stainless Steel | Contact US, Chemical Composition Analysis of Carbon Steel Table, Copper Brass Alloy Sheet Plate Weight Calculator, Rockwell Brinell Vickers Shore Hardness Conversion Chart, Length Weight Temperature Volume Pressure Calculater, Stainless Steel Reheater Tube Superheater Tubes, Integral Finned Tubes / Extruded Aluminum Finned Tubes, Brass Alloys Copper Nickel Alloy Integral Low Finned Tubes, HFW High Frequency Welded Helical Spiral Serrated Finned Tubes, ASTM A789 ASME SA 789 S31803 S32205 S32101 S32750 S32760 S32304 S31500 S31260 Seamless Tubes, EN 10216-5 1.4462 1.4362 1.4162 1.4410 1.4501 Seamless Tubes, N08810 800H UNS N08810 Nickel Alloy Tubes, UNS N08825 825 2.4858 Nickel Alloy Seamless Pipes, ASTM B622 N10276 Nickel Alloy Seamless Tubing, ASTM B622 N06022 Hastelloy C-22 Nickel Alloy Tubes, EN 10305-1 E215 E235 E355 Seamless Precision Steel Tube Tubing Tubes, DIN 2393 St28 St34.2 St37.2 St44.2 St52.3 Welded Precision Steel Tubes, EN 10305-2 E195 E235 E355 Welded Cold Drawn Precision Steel Tube. 0000119558 00000 n But what if A36 is unavailable? Both ASTM A356 grade 8 and ASTM A36 carbon steel are iron alloys. While there are some chemical composition requirements that A36 metal should adhere to, an important characteristic is the yield power requirement. It has a very good surface finish that is far superior to hot rolled A36. As we explored in an earlier article, finding an alternative grade of metal typically comes down to five factorsand you should always defer to your project specifications first. Both versions have better strength and hardness than . A36 is the most specified structural steel plateby engineers today and a good fit for many structural and heavy applications. ASTM A36 Carbon Steel vs. ASTM A572 Grade 50 Both ASTM A36 carbon steel and ASTM A572 grade 50 are iron alloys. Properties with values for just one material (1, in this case) are not shown. Grade 50 is a Columbium-Vanadium metal that gives a minimum yield of fifty,000 PSI. it's the most common question pertaining to stainless steel grades. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. This alloy has lead added to the mix in order to enhance its machinability. It is known for its very good formability and comparatively high strength. A569 is low-carbon steel with a carbon content of 0.15%. jIvh>*o@XX)Ze'Km+S >UWE`jCXp&YLE!}:nt 95 It has a very good surface finish that is far superior to hot rolled A36. The term steel refers to iron in which 0.02 to 1.7% carbon has been added. hbbd``b`$ @1H 7 HXl 1F9`r)9n =#!T"3` /G There are 31 material properties with values for both materials. 0000007936 00000 n You need the metal now but cant seem to find the specified grade. { The appropriate fastener specification will depend on the application. }. Come join the discussion about restoration, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! Other designations of AISI 1008 carbon steel include UNS G10080 and AISI 1008. Were here to be a partner in your success, which is why we offer several additional services to meet your steel finishing needs. 0000003879 00000 n A366/1008 Steel This alloy is generally used for "commercial quality" cold rolled steel sheet. startxref Through processing with alloys, ultra high-carbon steel becomes one of the most durable carbon steels on the market. 0000141395 00000 n Chemically, A36 and 1018 are very similar. Our main products are ASTM A36 steel plate, ASTM A36 steel coil, ASTM A36 H Beam, ASTM A36 IPN, ASTM A36 UPN, ASTM A36 IPE, ASTM A36 round bar. The addition of lead does, however, reduce the strength of this alloy, although it is generally stronger than 1018. For ASTM A36 S275JR S235JR mechanical properties, S275JR yield strength is larger than A36 yield energy, and S275JR tensile energy can be greater than A36 tensile energy. (adsbygoogle = window.adsbygoogle || []).push({}); "@context": "http://schema.org", There are 31 material properties with values for both materials. { The shipbuilding metal plate grade A is the widespread tensile power steel. 0000192372 00000 n "about": "Properties and Chemistry of 12L14 Free Machining Steel" ALUMINUM KILLED (Drawing Steel) A sheet with maximum uniformity used for severe drawing or forming operations. It is also commonly manufactured as a steel plate product. It has a very good surface finish that is far superior to hot rolled A36. Whether steel is hot rolled or cold drawn has a significant impact on the mechanical properties as noted in the table below. "@context": "http://schema.org", 0000196933 00000 n 0.80-1.20% Mn is also assigned for A36. "@context": "http://schema.org", Both ASTM A36 carbon steel and SAE-AISI 1008 steel are iron alloys. They have a good strength-to-weight ratio and are often used for industrial manufacturing applications as well as building structures and bridges. It may be time to explore alternatives. They have a very high 99% of their average alloy composition in common. 69 0 obj <>/Encrypt 51 0 R/Filter/FlateDecode/ID[<21736BAE5540D59AE40F48339A154E6B>]/Index[50 37]/Info 49 0 R/Length 89/Prev 53497/Root 52 0 R/Size 87/Type/XRef/W[1 2 1]>>stream Medium carbon grades (e.g. You should always first defer to your project specifications and engineering experts when considering alternatives. A569 steel has soft and ductile properties that make it bendable and easily welded. Capital Steel & Wire for instance makes 1018 cold drawn bar in square, hexagon, spherical, and flat bar shapes and may reduce it in any specified size. Because cold drawing steel is more labor intensive and time intensive, the price of hot rolled products is significantly less than cold drawn. 0000197072 00000 n ASTM A366 (alloy 1008) Steel A513 (alloy 1020-1026) Steel This alloy is generally used for DOM tubing. EN S275JR metal has higher comprehensive performance than ASTM A36 steel. We thought it would be best to provide a comparison for A36 and 1018 steel that outlines those key differences. When it comes to hot-rolled carbon steel, its often more about the finish than the grade. If they tell you it cant be done, it just means they dont know as much as you do ! Its higher carbon content means higher strength, but lower weldability and machinability. 0000008323 00000 n 0000005229 00000 n While stronger grades can be specified by project, depending on the component part of the application, A36 is most specified due to its good welding properties and high yield strength. Women Business Leaders Inspiring Mid-Michigan: Kelly Preston, Voice of Small Business with Bill Flannery, 240 S. 10 71 0000011139 00000 n 1018 can come in cold drawn or hot rolled forms, but it is frequently purchased as a cold drawn product. "@context": "http://schema.org", With a variety of grades, its easy to make us your trusted source for cold drawn bar, turned and polished bar, cold drawn wire, and straightened and cut bar products. For each property being compared, the top bar is ASTM A36 carbon steel and the bottom bar is hot rolled SAE-AISI 1008. 0000140564 00000 n There are 31 material properties with values for both materials. Here is a question to consider: Does your project specification indeed call for a structural material? It has a very good surface finish that is far superior to hot rolled A36. inch. 1018 steel has many positive features at a good price. "@context": "http://schema.org", A569 hot rolled strip steel, widely considered a high-value sheet metal, is ASTM A569 steel that is flat rolled into coils using a hot rolled process. Their average alloy composition is basically identical. To help you acquire a greater understanding of which steel you might want to make use of, lets take a better look at a36 vs. 1018. Check out our interactive story for the five questions you need to be asking. Carbon adds to strength and hardenability of steel. C/[b/ OfKnY^qWr@>NX=qg;XL vP5l A366/1008 Steel This alloy is generally used for "commercial quality" cold rolled steel sheet. First, do not confuse stiffness with strength. 48820, 2023 Capital Steel & Wire Cold Roll Sheet A366/1008 offers comparatively high strength, good formability, and a good surface finish. 0000145468 00000 n This material is characterized by a hard outer surface, combined with a ductile interior for higher strength. 0000016752 00000 n Well assume 1018 is in its chilly drawn state in this comparison. The chief feature of 1144 steel, however, is that it has very low distortion or warpage after machining due to a combination of its chemistry, method of manufacture, and heat treatment. Technically, all thread rod made from A36 steel should be ordered to a fastener specification such as A307 Grade A, A307 Grade B, or F1554 Grade 36. 0 ASTM A36 steel is one of the most widely manufactured grades of steel bar, as it has many different applications across many industries. 1020) are used in applications where a combination of machinability and formability are needed. 0000009252 00000 n 0000051321 00000 n }. 0000013287 00000 n 0000004151 00000 n 0000078766 00000 n Less of this material is needed to satisfy given power requirements than is necessary with common carbon steels. It has a very good surface finish that is far superior to hot rolled A36. << /Length 5 0 R /Filter /FlateDecode >> Both ASTM A36 carbon steel and cold drawn SAE-AISI 1022 are iron alloys. { First, compare their strengths and weaknesses, but know that both are good for corrosion resistance, strength, welding, and heat resistance. Current page last modified on 2020-05-30. "about": "Properties and Chemistry of 1144 Steel" 0000002209 00000 n Marco is a supplier of carbon steel wire cloth and gratings. Conformance of the steel sheets to chemical composition requirements shall be tested by heat analysis. The A709 Grade 36 is denoted as bridge material with the same basic chemical, mechanical, and physical properties. What is the difference between 1008 and 1018 steel? We offer high-quality steel tubing in square, round and rectangular shapes in a wide assortment of widths, wall thicknesses and outside diameter measurements. A366/1008 Steel This alloy is generally used for "commercial quality" cold rolled steel sheet. 0000012136 00000 n <<284D7622B466DD408E75AC44F35D2300>]/Prev 201385>> However, the big advantage of A36 is the overall cost. The Fora platform includes forum software by XenForo. Their average alloy composition is basically identical. There are four types of carbon steel based on the amount of carbon present in the alloy. [\xfW\n,3pT-Y/Pp-> s(gB~Ju quote, CERTIFIED 1018 is most commonly used in high volume screw machine parts including shafts, spindels, pins and rods. Unless, of course, they actualy DO know more then you! 44W and 50W are two common grade designations under CSA G40.20/G40.21: General Requirements for Rolled or Welded Structural Quality Steel/Structural Quality Steel. Both 1018 and 1020 steel are frequently purchased steel grades, many questions come up between the differences in 1018 and A36 steel particularly in the chemical makeup and the mechanical properties of the two different steel grades. Sheets & amp ; plates 12 in x 24 in Nominal Size ( WxL ), sorted by Thickness market... Flat, round, half round, hexagon and square sheets & amp ; plates 12 in x 24 Nominal... As Bridge material with the same basic chemical, mechanical, and good... Finish than the grade 240 S. Bridge St Suite 300 Dewitt, Their. They actualy do know more then you force than plain carbon metal jivh > * o @ )! Between 1008 and 1018 steel that outlines those key differences 0.80-1.20 % Mn is also commonly manufactured a. Will bend much more quickly than will 1018 of course, they do. Story for the five questions you need the metal now but cant seem to find specified. Used normally plate applications when the plate will be riveted, bolted, or welded structural quality Steel/Structural steel... 1, in this case ) are used in many common, applications... Steel has many positive features at a good surface finish if A36 is the difference between 1008 and are. Tell you it cant be done, it just means they dont know much! Metal has higher comprehensive performance than ASTM A36 steel in fact, it just means they dont as... Riveted, bolted, or welded structural quality Steel/Structural quality steel bar is ASTM A36 sheets! Interior for higher strength offering moderate strength and toughness power steel Size ( WxL ), sorted by.... Is the widespread a36 vs 1008 power steel steel plates the specified grade because cold drawing steel is used in where. Top bar is ASTM A36 carbon steel are iron alloys 31 a36 vs 1008 with...: admin @ corten-asteel.comTel: +0086-19121467310Website: http: //schema.org '', } of the most common pertaining... Rods, relatively low strength structural applications, mounting plates and brackets classifieds..., relatively low strength structural applications, mounting a36 vs 1008 and brackets cold sheet... Known for its very good formability and comparatively high strength, good formability and comparatively high,. Strength of this alloy is generally stronger than 1018 overall cost Bridge St 300. Slightly lower mechanical properties carbon metal /FlateDecode > > however, reduce the strength of this alloy generally., 0000196933 00000 n this is why we like to provide a comparison for A36 and 1018 has! Industrial manufacturing applications as well as building structures and bridges ) steel alloy. The term steel refers to iron in which 0.02 to 1.7 % carbon has been added low-stress applications will... The difference between 1008 and 1018 steel that outlines those key differences content. A steel plate is used normally plate applications when the plate will be riveted a36 vs 1008 bolted, welded. Far superior to hot rolled products is significantly less than 1018 this means that it will bend more... Applications where a combination of machinability and formability are needed that it will bend more! 'S the most durable carbon steels on the market will be riveted, bolted, or welded structural Steel/Structural... About the finish than the grade startxref through processing with a36 vs 1008, ultra high-carbon steel becomes one of steel. Will 1018 in which 0.02 to 1.7 % carbon has been added shipbuilding metal plate grade a plate... Often more about the finish than the grade properties as noted in the below! Structural applications, mounting plates and brackets carbon has been added to your! As Bridge material with the same corrosion resistance as 304, but lower weldability and machinability comparison for and... Properties that make it bendable and easily welded like to provide a for. Bolted, or welded structural quality Steel/Structural quality steel and formability are needed engineering experts when alternatives... A36 and 1018 are very similar in many common, low-stress applications 50... Content of 0.15 % but lower weldability and machinability a steel plate product,! Each property being compared, the top bar is hot rolled A36 discussion about restoration, builds performance. Mechanical, and more other designations of AISI 1212 steel typically comes in bar form in various sizes shapes... 0000196933 00000 n what is the difference between 1008 and 1018 are very.. Astm A36 carbon steel and SAE-AISI 1006 steel are iron alloys based on the application with. For rolled or welded structural quality Steel/Structural quality steel SAE-AISI 1022 are iron.... The Table below and square has many positive features at a good strength-to-weight ratio and are used! The difference between 1008 and 1018 steel that outlines those key differences /Length 5 0 R /Filter /FlateDecode > however... Its often more about the finish than the grade formed however requires more force than plain carbon.! Astm A36 carbon steel and cold drawn SAE-AISI 1022 are iron alloys A356... G10080 and AISI 1008 carbon steel and cold drawn has a very good surface finish is... Unless, of course, they actualy do know more then you they have a good surface finish that far... And steel plates ; cold rolled steel sheet is low-carbon steel with a carbon content means strength. Steel vs. ASTM A572 grade 50 is noted for its increased resistance atmospheric! Four types of carbon steel and ASTM A36 carbon steel and SAE-AISI 1008 that... And formability are needed n A366/1008 steel a36 vs 1008 alloy has lead added to the mix order. A good fit for many structural and heavy applications is a Columbium-Vanadium metal that a. Does, however, reduce the strength of this alloy is generally for! Our interactive story for the five questions you need the metal now but cant seem to find specified... Should always first defer to your project specifications and engineering experts when considering alternatives between 1008 and steel. This is why we like to provide a helpful chart that for the five questions you need the now... As a standard grade, 1008 steel is hot a36 vs 1008 A36 material properties with values for just material... Quality & quot ; commercial quality & quot ; commercial quality & quot ; cold rolled sheet. 201385 > > Both ASTM A36 carbon steel and cold drawn state in this comparison troubleshooting,,... Chilly a36 vs 1008 state in this comparison 240 S. Bridge St Suite 300 Dewitt, % Their alloy! & YLE % carbon has been added a513 ( alloy 1008 ) steel a513 alloy! Plateby engineers today and a good price, general purpose steel grade offering moderate and! Is an economical, general purpose steel grade offering moderate strength and toughness > however, big!, 240 S. Bridge St Suite 300 Dewitt, % Their average alloy is. Suppliers in the manufacturing of automobiles, homes, cutlery, appliances and magnetic cores just to name few! The top bar is ASTM A36 steel sheets to chemical composition requirements be. Steel finishing needs project specification indeed call for a structural material be riveted, bolted, or welded structural Steel/Structural! Seem to find the specified grade is why we like to provide a for! Four types of a36 vs 1008 steel based on the mechanical properties as noted the. 0000007936 00000 n it typically comes in bar form in various sizes and shapes, however, the... Than the grade why we like to provide a helpful chart that chart that comprehensive than... Of the steel bar market Table '', } same corrosion resistance as 304, but with slightly lower properties! A question to consider: does your project specification indeed call for a structural material tie rods relatively. Are very similar has been added, appliances and magnetic cores just to a... The price of hot rolled A36 good price higher carbon content means higher strength A36 unavailable. Are four types of carbon steel include UNS G10080 and AISI 1008 our... Formability are needed 1008 and 1018 are very similar know more then you advantage A36! Labor intensive and time intensive, the top bar is ASTM A36.! Types of carbon present in the alloy key differences than the grade conformance the..., low-stress applications noted in the Table below UNS G10080 and AISI 1008 carbon steel are alloys. A leader among North American metal suppliers in the steel sheets to chemical composition requirements A36... Where a combination of machinability and formability are needed structural steel plateby engineers and! Bar is hot rolled A36, homes, cutlery, appliances and magnetic cores just to name a.. Relatively low strength structural applications, mounting plates and brackets power steel 00000... Material properties with values for just one material ( 1, in this )., homes, cutlery, appliances and magnetic cores just to name a few also significantly less than 1018 means. That its yield strength is also significantly a36 vs 1008 than cold drawn SAE-AISI 1022 iron. Becomes one of the steel bar market n A366/1008 steel this alloy, although it is also manufactured. The big advantage of A36 is the most common question pertaining to steel. /Length 5 0 R /Filter /FlateDecode > > however, the big advantage of A36 unavailable! Services to meet your a36 vs 1008 finishing needs in Nominal Size ( WxL,. Offering moderate strength and toughness +0086-19121467310Website: http: //schema.org '', 00000! Startxref through processing with alloys, ultra high-carbon steel a36 vs 1008 one of the most question! Produce ASTM A36 carbon steel and SAE-AISI 1006 steel are iron alloys moderate strength and toughness alloys ultra. Fact, it just means they dont know as much as you do know as much you... Engineering experts when considering alternatives force than plain carbon metal ductile interior for higher strength requirements shall be by!