{"id":36735,"date":"2023-05-13T11:00:37","date_gmt":"2023-05-13T05:30:37","guid":{"rendered":"https:\/\/blog.thepipingmart.com\/?p=36735"},"modified":"2023-05-13T11:01:02","modified_gmt":"2023-05-13T05:31:02","slug":"ams-5744-stainless-steel-composition-properties-and-uses","status":"publish","type":"post","link":"https:\/\/blog.thepipingmart.com\/grades\/ams-5744-stainless-steel-composition-properties-and-uses\/","title":{"rendered":"AMS 5744 Stainless Steel \u2013 Composition, Properties, and Uses"},"content":{"rendered":"

The aerospace and defence industries have used AMS 5744 since the early 1950s due to its excellent corrosion resistance, high-temperature strength, and ability to withstand harsh engine environments. This alloy is a nickel-based superalloy typically used in jet engine components, hot gas path sections, and other high-temperature applications. In this blog post, we’ll delve into what AMS 5744 is, its physical and mechanical properties, its use, and much more.<\/p>\n

<\/span>What is AMS 5744?<\/span><\/h2>\n

AMS 5744 (also known as 355 Stainless Steel<\/a>) is a material specification that is critical in the aerospace industry, where it is used to create parts and components for high-performance gas turbine engines. This specification outlines the requirements for a specific type of nickel alloy, known as Inconel 718, which possesses outstanding strength, durability, and resistance to corrosion and heat. By specifying this nickel alloy’s exact chemical composition and mechanical properties, AMS5744 ensures that the finished product meets the exacting standards required for use in aircraft engines. As a result of its importance in this critical industry, AMS 5744 sheet is rigorously tested and certified to ensure that it meets these requirements, creating a reliable and trustworthy material for use in high-stress situations.<\/p>\n

<\/span>AMS 5744 Composition<\/span><\/h2>\n

AMS 5744 contains approximately 50% nickel, 16% chromium, 15% cobalt, and small amounts of other elements such as molybdenum, iron, and titanium. These elements work together to provide excellent resistance to oxidation and corrosion, even when exposed to extreme temperatures and pressures.<\/p>\n

\n\n\n\n\n\n
Chemical Composition\u00a0<\/strong><\/td>\n<\/tr>\n
Weight%<\/strong><\/td>\nC<\/strong><\/td>\nP<\/strong><\/td>\nSi<\/strong><\/td>\nNi<\/strong><\/td>\nN<\/strong><\/td>\nMn<\/strong><\/td>\nS<\/strong><\/td>\nCr<\/strong><\/td>\nMo<\/strong><\/td>\nFe<\/strong><\/td>\n<\/tr>\n
AM 355<\/strong><\/td>\n0.10 \u2013\u00a00.15<\/td>\n0.040 max<\/td>\n0.50 max<\/td>\n4 -5<\/td>\n0.07 \u2013\u00a00.13<\/td>\n0.50-1.25<\/td>\n0.030 max<\/td>\n15-16<\/td>\n2.5-3.25<\/td>\nBal<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/span>AMS 5744 Physical Properties<\/span><\/h2>\n

AMS 5744 has a density of 8.36 g\/cm3<\/strong> and a melting point of 1330-1390\u00b0C<\/strong>. This nickel alloy also has a high specific heat and thermal conductivity, which makes it an ideal material for high-temperature applications. Additionally, AMS 5744 is flexible and can be easily formed and machined.<\/p>\n

\n\n\n\n\n
Properties<\/th>\nMetric<\/th>\nImperial<\/th>\n<\/tr>\n
Density<\/td>\n7.7 \u2013 8.03 g\/cm3<\/sup><\/td>\n0.278 \u2013 0.290 lb\/in\u00b3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/span>AMS 5744 Mechanical Properties<\/span><\/h2>\n

AMS 5744 has excellent tensile strength, fatigue, and creep resistance at high temperatures. It can withstand temperatures of up to 1300\u00b0C and maintain its strength, making it ideal for use in gas turbine engine components, such as combustors and turbine blades. Furthermore, this nickel alloy has a high yield strength, which allows it to withstand the extreme pressures experienced in high-performance applications.<\/p>\n

\n\n\n\n\n\n
Properties<\/th>\nMetric<\/th>\nImperial<\/th>\n<\/tr>\n
Elastic Modulus<\/td>\n190 \u2013 210 GPa<\/td>\n27557 \u2013 30458 ksi<\/td>\n<\/tr>\n
Poisson\u2019s Ratio<\/td>\n0.27 \u2013 0.30<\/td>\n0.27 \u2013 0.30<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/span>AMS 5744 Equivalent<\/span><\/h2>\n
    \n
  • AISI 634<\/li>\n
  • AMS 5547<\/li>\n
  • AMS 5743<\/li>\n
  • AMS 5549<\/li>\n
  • ASTM A564<\/li>\n
  • ASTM A579<\/li>\n
  • ASTM A693<\/li>\n
  • ASTM A705<\/li>\n
  • MIL S-8840<\/li>\n
  • UNS S35500<\/li>\n<\/ul>\n

    <\/span>AMS 5744 Uses<\/span><\/h2>\n

    AMS 5744 is commonly used in the aerospace and defence industries for its strength, flexibility, and high-temperature resistance. It can be found in jet engine components, such as combustion liners, turbine blades, and afterburner parts. Additionally, it’s used in the chemical and petrochemical industries for its exceptional resistance to hot gases and corrosive environments.<\/p>\n

    <\/span>AMS 5744 Hardness<\/span><\/h2>\n

    The hardness of AMS 5744 can be increased through heat treatment. In its annealed state, the alloy has a Brinell hardness of around 156. Once heat-treated, the hardness can increase to 300 Brinell or higher.<\/p>\n

    <\/span>AMS 5744 Heat Treatment<\/span><\/h2>\n

    AMS 5744 can be heat-treated to increase its strength and durability. Heat treatment involves heating the alloy to a specific temperature, holding it at that temperature for a certain amount of time, and then cooling it down slowly. This process helps to eliminate any residual stresses in the material and creates a uniform structure throughout the alloy.<\/p>\n

    <\/span>Conclusion:<\/span><\/h2>\n

    AMS 5744 material is a nickel-based superalloy used for decades in the aerospace and defence industries. Its excellent corrosion and high-temperature resistance, strength, and flexibility make it popular for gas turbine engine components and other high-temperature applications. The alloy contains a combination of nickel, chromium, cobalt, and other elements that work together to provide superior mechanical and physical properties. With its outstanding strength, durability, and resistance to hot gases and corrosive environments, AMS 5744 is a material that will continue to play an important role in many industries for years to come.<\/p>\n","protected":false},"excerpt":{"rendered":"

    The aerospace and defence industries have used AMS 5744 since the early 1950s due to its excellent corrosion resistance, high-temperature strength, and ability to withstand harsh engine environments. This alloy is a nickel-based superalloy typically used in jet engine components, hot gas path sections, and other high-temperature applications. In this blog post, we’ll delve into […]<\/p>\n","protected":false},"author":4,"featured_media":36736,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[218],"tags":[],"yoast_head":"\nAMS 5744 Stainless Steel \u2013 Composition, Properties, and Uses<\/title>\n<meta name=\"description\" content=\"AMS 5744 is a low-alloy steel alloy with superior strength, good corrosion resistance, and excellent weldability. 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