ThePipingMart Blog Grades AMS-DTL-22499/1 – Composition, Properties, and Uses

AMS-DTL-22499/1 – Composition, Properties, and Uses


AMS-DTL-22499/1 is a high-performance stainless steel designed for use in the aerospace industry. It is known for its excellent corrosion resistance, high strength, and durability in harsh environments. This steel is commonly used to produce aircraft parts, such as jet engine components, fasteners, and exhaust systems. This blog post will explore this steel’s composition, physical and mechanical properties, and heat treatment. Additionally, we will examine some of the uses of AMS-DTL-22499/1 in different industries.

AMS-DTL-22499/1 Composition

AMS-DTL-22499/1 is a type of austenitic stainless steel with iron, chromium, and nickel as its primary components. The steel also contains small amounts of other elements such as carbon, manganese, silicon, and sulfur. The carbon content in this steel is usually lower than that of other steel, making it suitable for welding applications. Its high chromium content gives it excellent corrosion resistance, while its nickel content enhances its strength and flexibility.

AMS-DTL-22499/1 Physical Properties

The physical properties of AMS-DTL-22499/1 include a density of 7.93 g/cm3 and a melting point of 1400-1450°C. It has a high resistance to scaling and oxidation at high temperatures, making it suitable for use in extremely hot environments.

AMS-DTL-22499/1 Mechanical Properties

The mechanical properties of AMS-DTL-22499/1 are impressive. It has a minimum tensile strength of 135 ksi and a minimum yield strength of 75 ksi. Its elongation at break is 50%, which allows it to deform significantly before breaking. The steel also has excellent impact resistance, making it suitable for high-stress applications.

AMS-DTL-22499/1 Uses

AMS-DTL-22499/1 is commonly used in aircraft manufacturing, particularly in jet engines, exhaust systems, and fasteners. It is also used in high-performance applications requiring high corrosion resistance, strength, and durability. This steel is known for its excellent heat resistance, making it suitable for furnace components and heat exchangers.

AMS-DTL-22499/1 Hardness

AMS-DTL-22499/1 has a maximum hardness of 30 HRC (Rockwell C hardness). This hardness level is relatively low compared to other types of stainless steel, but it provides sufficient strength and durability for its intended use.

AMS-DTL-22499/1 Heat Treatment

Heat treatment is a process that is used to modify the mechanical and physical properties of metals. AMS-DTL-22499/1 is typically heat treated by annealing, which involves heating the steel to a high temperature and then cooling it slowly. This process helps to relieve stress and improve the steel’s ductility and toughness.


In conclusion, AMS-DTL-22499/1 is a high-performance austenitic stainless steel with many applications in different industries. Its excellent corrosion resistance, strength, and durability suit harsh environments. Its mechanical and physical properties and heat resistance make it a preferred material for use in the aerospace industry. Therefore, it is essential to understand this material’s composition, physical and mechanical properties, and heat treatment to use it effectively and efficiently.

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