{"id":32718,"date":"2023-03-21T22:59:58","date_gmt":"2023-03-21T17:29:58","guid":{"rendered":"https:\/\/blog.thepipingmart.com\/?p=32718"},"modified":"2023-12-27T14:08:26","modified_gmt":"2023-12-27T08:38:26","slug":"sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses","status":"publish","type":"post","link":"https:\/\/blog.thepipingmart.com\/grades\/sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses\/","title":{"rendered":"SAE\/AISI 6118 Steel Alloy (G61180) &#8211; Composition, Properties and Uses"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_39 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" area-label=\"ez-toc-toggle-icon-1\"><label for=\"item-66352913804f7\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;direction:ltr;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input type=\"checkbox\" id=\"item-66352913804f7\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.thepipingmart.com\/grades\/sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses\/#what-forms-of-aisi-6118-is-available-at-piping-mart\" title=\"What Forms of AISI 6118 is Available at Piping Mart?\">What Forms of AISI 6118 is Available at Piping Mart?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.thepipingmart.com\/grades\/sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses\/#aisi-6118-composition\" title=\"AISI 6118 Composition\">AISI 6118 Composition<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blog.thepipingmart.com\/grades\/sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses\/#aisi-6118-physical-properties\" title=\"AISI 6118 Physical Properties\">AISI 6118 Physical Properties<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/blog.thepipingmart.com\/grades\/sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses\/#aisi-6118-mechanical-properties\" title=\"AISI 6118 Mechanical Properties\">AISI 6118 Mechanical Properties<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/blog.thepipingmart.com\/grades\/sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses\/#aisi-6118-thermal-properties\" title=\"AISI 6118 Thermal Properties\">AISI 6118 Thermal Properties<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/blog.thepipingmart.com\/grades\/sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses\/#aisi-6118-uses\" title=\"AISI 6118 Uses\">AISI 6118 Uses<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/blog.thepipingmart.com\/grades\/sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses\/#aisi-6118-uses-in-industries\" title=\"AISI 6118\u00a0Uses in Industries\">AISI 6118\u00a0Uses in Industries<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/blog.thepipingmart.com\/grades\/sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses\/#construction-industry\" title=\"Construction Industry\">Construction Industry<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/blog.thepipingmart.com\/grades\/sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses\/#automotive-industry\" title=\"Automotive Industry\">Automotive Industry<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/blog.thepipingmart.com\/grades\/sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses\/#aerospace-industry\" title=\"Aerospace Industry\">Aerospace Industry<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/blog.thepipingmart.com\/grades\/sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses\/#machinery-industry\" title=\"Machinery Industry\">Machinery Industry<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/blog.thepipingmart.com\/grades\/sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses\/#manufacturing-industry\" title=\"Manufacturing Industry\">Manufacturing Industry<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/blog.thepipingmart.com\/grades\/sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses\/#aisi-6118-corrosion-resistance\" title=\"AISI 6118\u00a0Corrosion Resistance\">AISI 6118\u00a0Corrosion Resistance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/blog.thepipingmart.com\/grades\/sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses\/#aisi-6118-heat-resistance\" title=\"AISI 6118\u00a0Heat Resistance\">AISI 6118\u00a0Heat Resistance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/blog.thepipingmart.com\/grades\/sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses\/#aisi-6118-heat-treatment\" title=\"AISI 6118\u00a0Heat Treatment\">AISI 6118\u00a0Heat Treatment<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/blog.thepipingmart.com\/grades\/sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses\/#aisi-6118-machining\" title=\"AISI 6118\u00a0Machining\">AISI 6118\u00a0Machining<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/blog.thepipingmart.com\/grades\/sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses\/#aisi-6118-welding\" title=\"AISI 6118\u00a0Welding\">AISI 6118\u00a0Welding<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/blog.thepipingmart.com\/grades\/sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses\/#conclusion\" title=\"Conclusion:\">Conclusion:<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>SAE\/AISI 6118 steel is a low-alloy steel that has been used for decades in the automotive and aerospace industries. It offers a combination of good mechanical properties, ductility, and good corrosion resistance. It can be heat-treated and machined with care. When selecting the perfect steel alloy for any project, SAE\/AISI 6118 steel is undoubtedly a great option. Also known as <strong>UNS G61180<\/strong>, this steel alloy is highly sought after due to its outstanding mechanical properties. What sets <strong>SAE 6118<\/strong> and <strong>AISI 6118<\/strong> apart from other steel alloys is their unique composition, which consists of high amounts of carbon, chromium, and molybdenum. This winning combination infuses the steel with strength, toughness, and wear resistance. Moreover, <strong>SAE-AISI 6118 steel<\/strong> is highly versatile and can be used in multiple applications. From heavy-duty machinery to automotive parts, its dependability and reliability have made it a preferred choice for various industries. This blog post will look at the different uses, corrosion resistance, heat resistance, heat treatment, machining, and welding of SAE\/AISI 6118 steel alloys.<\/p>\n<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"what-forms-of-aisi-6118-is-available-at-piping-mart\"><\/span>What Forms of AISI 6118 is Available at Piping Mart?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Nut<\/li>\n<li>Bar<\/li>\n<li>Bolt<\/li>\n<li>Pipe<\/li>\n<li>Screw<\/li>\n<li>Tubing<\/li>\n<li>Valves<\/li>\n<li>Washers<\/li>\n<li>Flanges<\/li>\n<li>Fasteners<\/li>\n<li>Electrodes<\/li>\n<li>Stud Bolts<\/li>\n<li>Sheet Plates<\/li>\n<li>Pipe Fittings<\/li>\n<li>Forged Fitting<\/li>\n<li><span data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Monel 400 Instrumentation Fittings&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:6593,&quot;3&quot;:{&quot;1&quot;:0},&quot;9&quot;:0,&quot;10&quot;:2,&quot;11&quot;:0,&quot;14&quot;:{&quot;1&quot;:2,&quot;2&quot;:0},&quot;15&quot;:&quot;Arial&quot;}\">Instrumentation Fittings<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"aisi-6118-composition\"><\/span>AISI 6118 Composition<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"table-responsive\">\n<table border=\"0\" width=\"100%\" cellspacing=\"1\" cellpadding=\"5\">\n<tbody>\n<tr bgcolor=\"white\">\n<td class=\"smalltext\"><b>Element<\/b><\/td>\n<td class=\"smalltext\" nowrap=\"nowrap\"><b>Weight\u00a0%<\/b><\/td>\n<\/tr>\n<tr bgcolor=\"white\">\n<td class=\"smalltext\" align=\"center\" nowrap=\"nowrap\">C<\/td>\n<td class=\"smalltext\" nowrap=\"nowrap\">\u00a00.16-0.21<\/td>\n<\/tr>\n<tr bgcolor=\"white\">\n<td class=\"smalltext\" align=\"center\" nowrap=\"nowrap\">Mn<\/td>\n<td class=\"smalltext\" nowrap=\"nowrap\">\u00a00.50-0.70<\/td>\n<\/tr>\n<tr bgcolor=\"white\">\n<td class=\"smalltext\" align=\"center\" nowrap=\"nowrap\">P<\/td>\n<td class=\"smalltext\" nowrap=\"nowrap\">\u00a00.035 (max)<\/td>\n<\/tr>\n<tr bgcolor=\"white\">\n<td class=\"smalltext\" align=\"center\" nowrap=\"nowrap\">S<\/td>\n<td class=\"smalltext\" nowrap=\"nowrap\">\u00a00.04 (max)<\/td>\n<\/tr>\n<tr bgcolor=\"white\">\n<td class=\"smalltext\" align=\"center\" nowrap=\"nowrap\">Si<\/td>\n<td class=\"smalltext\" nowrap=\"nowrap\">\u00a00.15-0.30<\/td>\n<\/tr>\n<tr bgcolor=\"white\">\n<td class=\"smalltext\" align=\"center\" nowrap=\"nowrap\">Cr<\/td>\n<td class=\"smalltext\" nowrap=\"nowrap\">\u00a00.50-0.70<\/td>\n<\/tr>\n<tr bgcolor=\"white\">\n<td class=\"smalltext\" align=\"center\" nowrap=\"nowrap\">V<\/td>\n<td class=\"smalltext\" nowrap=\"nowrap\">\u00a00.10-0.15<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"aisi-6118-physical-properties\"><\/span>AISI 6118 Physical Properties<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"table-responsive\">\n<table border=\"0\" width=\"100%\" cellspacing=\"1\" cellpadding=\"1\" bgcolor=\"white\">\n<tbody>\n<tr>\n<th scope=\"col\" bgcolor=\"white\">Quantity<\/th>\n<th scope=\"col\" bgcolor=\"white\">Value<\/th>\n<th scope=\"col\" bgcolor=\"white\">Unit<\/th>\n<\/tr>\n<tr>\n<th scope=\"row\" bgcolor=\"white\">Thermal expansion<\/th>\n<td bgcolor=\"white\">16 &#8211; 17<\/td>\n<td bgcolor=\"white\">e-6\/K<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\" bgcolor=\"white\">Thermal conductivity<\/th>\n<td bgcolor=\"white\">16 &#8211; 16<\/td>\n<td bgcolor=\"white\">W\/m.K<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\" bgcolor=\"white\">Specific heat<\/th>\n<td bgcolor=\"white\">500 &#8211; 500<\/td>\n<td bgcolor=\"white\">J\/kg.K<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\" bgcolor=\"white\">Melting temperature<\/th>\n<td bgcolor=\"white\">1370 &#8211; 1400<\/td>\n<td bgcolor=\"white\">\u00b0C<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\" bgcolor=\"white\">Service temperature<\/th>\n<td bgcolor=\"white\">0 &#8211; 500<\/td>\n<td bgcolor=\"white\">\u00b0C<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\" bgcolor=\"white\">Density<\/th>\n<td bgcolor=\"white\">8000 &#8211; 8000<\/td>\n<td bgcolor=\"white\">kg\/m3<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\" bgcolor=\"white\">Resistivity<\/th>\n<td bgcolor=\"white\">0.7 &#8211; 0.7<\/td>\n<td bgcolor=\"white\">Ohm.mm2\/m<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"aisi-6118-mechanical-properties\"><\/span>AISI 6118 Mechanical Properties<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"table-responsive\">\n<table border=\"0\" width=\"100%\" cellspacing=\"1\" cellpadding=\"5\">\n<tbody>\n<tr bgcolor=\"white\">\n<td class=\"smalltext\" colspan=\"2\" rowspan=\"2\" align=\"center\"><b>Properties<\/b><\/td>\n<td class=\"smalltext\" colspan=\"2\" align=\"center\">\u00a0<b>Conditions<\/b><\/td>\n<\/tr>\n<tr bgcolor=\"white\">\n<td class=\"smalltext\" align=\"center\" nowrap=\"nowrap\"><b>T<\/b>\u00a0(\u00b0C)<\/td>\n<td class=\"smalltext\" align=\"center\"><b>Treatment<\/b><\/td>\n<\/tr>\n<tr bgcolor=\"white\">\n<td class=\"smalltext\" nowrap=\"nowrap\" height=\"20\"><b>Density<\/b>\u00a0(\u00d71000 kg\/m<sup>3<\/sup>)<\/td>\n<td class=\"smalltext\" nowrap=\"nowrap\">7.7-8.03<\/td>\n<td class=\"smalltext\" align=\"center\">25<\/td>\n<td class=\"smalltext\"><\/td>\n<\/tr>\n<tr bgcolor=\"white\">\n<td class=\"smalltext\" nowrap=\"nowrap\" height=\"20\"><b>Poisson&#8217;s Ratio<\/b><\/td>\n<td class=\"smalltext\" nowrap=\"nowrap\"><span style=\"color: gray;\">0.27-0.30<\/span><\/td>\n<td class=\"smalltext\" align=\"center\">25<\/td>\n<td class=\"smalltext\"><\/td>\n<\/tr>\n<tr bgcolor=\"white\">\n<td class=\"smalltext\" nowrap=\"nowrap\" height=\"20\"><b>Elastic Modulus<\/b>\u00a0(GPa)<\/td>\n<td class=\"smalltext\" nowrap=\"nowrap\">190-210<\/td>\n<td class=\"smalltext\" align=\"center\">25<\/td>\n<td class=\"smalltext\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"aisi-6118-thermal-properties\"><\/span>AISI 6118 Thermal Properties<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"table-responsive\">\n<table border=\"0\" width=\"100%\" cellspacing=\"1\" cellpadding=\"1\" bgcolor=\"white\">\n<tbody>\n<tr>\n<th colspan=\"2\" rowspan=\"2\" scope=\"col\" bgcolor=\"white\">Properties<\/th>\n<th colspan=\"2\" scope=\"col\" bgcolor=\"white\">Conditions<\/th>\n<\/tr>\n<tr>\n<td align=\"center\" bgcolor=\"white\">T (\u00b0C)<\/td>\n<td align=\"center\" bgcolor=\"white\">Treatment<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\" bgcolor=\"white\">Thermal Conductivity (W\/m-K)<\/th>\n<td bgcolor=\"white\">42.7<\/td>\n<td bgcolor=\"white\">100<\/td>\n<td bgcolor=\"white\"><\/td>\n<\/tr>\n<tr>\n<th scope=\"row\" bgcolor=\"white\">Specific Heat (J\/kg-K)<\/th>\n<td bgcolor=\"white\">477<\/td>\n<td bgcolor=\"white\">50-100<\/td>\n<td bgcolor=\"white\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"aisi-6118-uses\"><\/span>AISI 6118 Uses<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>SAE\/AISI 6118 is often used in the automotive industry for components such as engine blocks and cylinder heads. It is also used in aerospace applications where strength and weight are important considerations. This material can be found in aircraft engine parts such as turbine blades or housings for hydraulic actuators.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"aisi-6118-uses-in-industries\"><\/span>AISI 6118\u00a0Uses in Industries<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"construction-industry\"><\/span>Construction Industry<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>AISI 6118 steel is commonly used in construction due to its high strength and durability. It is often used to construct buildings, bridges, and other structures that require strong and reliable materials. Its high tensile strength makes it ideal for withstanding heavy loads and harsh weather conditions.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"automotive-industry\"><\/span>Automotive Industry<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The automotive industry also utilizes <strong>AISI 6118 steel<\/strong> in the manufacturing of vehicles. This type of steel is commonly used to produce car frames, chassis, and other structural components. Its high strength-to-weight ratio makes it popular for improving fuel efficiency and overall vehicle performance.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"aerospace-industry\"><\/span>Aerospace Industry<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>In the aerospace industry, AISI 6118 steel is used for aircraft structures such as wings, fuselages, and landing gear. Its ability to withstand extreme temperatures and high stress levels makes it an essential material for ensuring the safety and reliability of aircraft.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"machinery-industry\"><\/span>Machinery Industry<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Many types of machinery, including agricultural equipment, mining machinery, and industrial machinery, rely on AISI 6118 steel for construction. Its toughness and resistance to wear make it suitable for use in heavy-duty equipment that operates under harsh conditions.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"manufacturing-industry\"><\/span>Manufacturing Industry<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>In addition to its uses in specific industries, AISI 6118 steel is widely used in manufacturing processes such as forging, welding, machining, and heat treatment. Its versatility allows it to be formed into different shapes and sizes depending on the needs of a particular project or product.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"aisi-6118-corrosion-resistance\"><\/span>AISI 6118\u00a0Corrosion Resistance<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The alloy provides good corrosion resistance when exposed to salt water or other corrosive environments. However, it should not be exposed to alkaline solutions due to its susceptibility to pitting corrosion. The addition of chromium increases its overall corrosion resistance making it an ideal choice for marine applications such as propellers or shafts.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"aisi-6118-heat-resistance\"><\/span>AISI 6118\u00a0Heat Resistance<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>SAE\/AISI 6118 steel has excellent high-temperature creep strength making it suitable for applications where elevated temperatures are common. The alloy has a melting point of <strong>1403\u00b0C (2550\u00b0F)<\/strong>, which allows it to resist high temperatures without softening or becoming brittle like other materials would at higher temperatures. This makes it perfect for parts that need to maintain their structural integrity even when exposed to extreme temperatures over long periods of time.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"aisi-6118-heat-treatment\"><\/span>AISI 6118\u00a0Heat Treatment<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>SAE\/AISI 6118 can be heat-treated in order to improve its mechanical properties, such as ductility and yield strength. The most common way to do this is through austenitizing followed by quenching and tempering processes at specific temperatures depending on the desired outcome. Heat treating this alloy results in an increase in hardness which can help increase wear resistance but also decreases ductility making it more prone to cracking under stress, so care must be taken during this process.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"aisi-6118-machining\"><\/span>AISI 6118\u00a0Machining<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Due to its high strength level, machining this alloy requires slower speeds than other materials such as aluminium or brass alloys but still produces satisfactory results when done correctly using appropriate cutting tools such as carbide tipped tools with positive rake angles and slow feed rates between 0.1 &#8211; 0.2mm per revolution along with heavy cutting fluids if necessary.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"aisi-6118-welding\"><\/span>AISI 6118\u00a0Welding<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Welding this alloy is possible with the correct process parameters, but care must be taken due to its tendency towards crack formation under stress during welding, so preheating prior to welding is recommended, along with post-weld stress relief processes if necessary. Good joint strength can be achieved by using shielded metal arc welding (SMAW) processes with low hydrogen electrodes, along with manual gas tungsten arc welding (GTAW) using argon shielding gas.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"conclusion\"><\/span>Conclusion:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>As you can see from the information above, there are many advantages associated with using SAE \/ AISI 6118 steel alloy, which makes it suitable for many different applications ranging from automotive components such as engine blocks and cylinder heads all the way up through aerospace components like turbine blades or housings for hydraulic actuators due its combination of good mechanical properties, ductility, corrosion resistance, heat resistance, easy machinability, weldability, and ease of heat treatment. All these factors make SAE \/ AISI6 118 a great choice when looking for a strong, lightweight material that will hold up over time, even when subjected to extreme temperature variations. So if you&#8217;re looking for an alloy that will stand up against wear &amp; tear while remaining cost-effective, then look no further than SAE \/ AISI6118!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SAE\/AISI 6118 steel is a low-alloy steel that has been used for decades in the automotive and aerospace industries. It offers a combination of good mechanical properties, ductility, and good corrosion resistance. It can be heat-treated and machined with care. When selecting the perfect steel alloy for any project, SAE\/AISI 6118 steel is undoubtedly a [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":32721,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[218],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.12 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SAE\/AISI 6118 Steel Alloy (G61180) - Composition, Properties and Uses<\/title>\n<meta name=\"description\" content=\"Learn about the chemical and mechanical properties of SAE\/AISI 6118 steel alloy. 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This grade is used for a variety of engineering applications.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blog.thepipingmart.com\/grades\/sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses\/\" \/>\n<meta property=\"og:site_name\" content=\"ThePipingMart Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/pipingmart\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-03-21T17:29:58+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-12-27T08:38:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blog.thepipingmart.com\/wp-content\/uploads\/2023\/02\/SAEAISI-6118-Steel-Alloy.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"562\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"harsh jain\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@piping_mart\" \/>\n<meta name=\"twitter:site\" content=\"@piping_mart\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"harsh jain\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/blog.thepipingmart.com\/grades\/sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/blog.thepipingmart.com\/grades\/sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses\/\"},\"author\":{\"name\":\"harsh jain\",\"@id\":\"https:\/\/blog.thepipingmart.com\/#\/schema\/person\/30b77a21bec73f4dbfd5042f5d2a07ea\"},\"headline\":\"SAE\/AISI 6118 Steel Alloy (G61180) &#8211; Composition, Properties and Uses\",\"datePublished\":\"2023-03-21T17:29:58+00:00\",\"dateModified\":\"2023-12-27T08:38:26+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/blog.thepipingmart.com\/grades\/sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses\/\"},\"wordCount\":1051,\"publisher\":{\"@id\":\"https:\/\/blog.thepipingmart.com\/#organization\"},\"articleSection\":[\"Grades\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blog.thepipingmart.com\/grades\/sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses\/\",\"url\":\"https:\/\/blog.thepipingmart.com\/grades\/sae-aisi-6118-steel-alloy-g61180-composition-properties-and-uses\/\",\"name\":\"SAE\/AISI 6118 Steel Alloy (G61180) - Composition, Properties and Uses\",\"isPartOf\":{\"@id\":\"https:\/\/blog.thepipingmart.com\/#website\"},\"datePublished\":\"2023-03-21T17:29:58+00:00\",\"dateModified\":\"2023-12-27T08:38:26+00:00\",\"description\":\"Learn about the chemical and mechanical properties of SAE\/AISI 6118 steel alloy. 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