ThePipingMart Blog Grades AMS-DTL-22499/3 – Composition, Properties, and Uses

AMS-DTL-22499/3 – Composition, Properties, and Uses


The world of materials engineering is vast, and ams-dtl-22499/3 is one of the most popular materials. This material is known for its high strength, excellent corrosion resistance, and high durability. Knowing about this material is essential to explore the aerospace and defence industries. This blog post will discuss the composition, physical and mechanical properties, uses, hardness, and heat treatment of ams-dtl-22499/3.

AMS-DTL-22499/3 Composition

ams-dtl-22499/3 is a type of stainless steel with high molybdenum and nickel content. This material’s chemical composition includes 0.03% carbon, 2% manganese, 0.75% silicon, 20-22% chromium, 14-16% nickel, and 2.5-3.5% molybdenum. Additionally, ams-dtl-22499/3 may include sulfur, phosphorus, titanium, copper, and iron traces. This material’s chemical composition contributes to its high strength and resistance to corrosion.

AMS-DTL-22499/3 Physical Properties

Physical Properties of ams-dtl-22499/3 include a density of 7.88 g/cm3 and a melting point of 1400°C or 2550°F. This material is non-magnetic in the annealed state but may become magnetic after cold working. Its thermal conductivity is 15 W/m*K, and its electrical conductivity is 0.14*10⁶S/m.

AMS-DTL-22499/3 Mechanical Properties

Mechanical Properties of ams-dtl-22499/3 include a tensile strength of 1100-1300 MPa or 159-188 ksi, yield strength of 1000 MPa or 145 ksi, and an elongation of 15-20%. This material also has a high hardness of 28-32 HRC. Moreover, ams-dtl-22499/3 has excellent toughness with impact or fracture toughness at lower temperatures.

AMS-DTL-22499/3 Uses

The uses of ams-dtl-22499/3 are vast, including various aerospace applications such as landing gear, airframe, and engine components. The material is also useful in the pharmaceutical and chemical industries, where corrosion resistance is crucial. Additionally, this material is highly recommended in the defence industry, including submarine construction.

AMS-DTL-22499/3 Hardness

The hardness of ams-dtl-22499/3 is an important aspect of the material. This property ensures the material has the required resistance against wear and tear. The material can withstand harsh environments and usage with hardness in the range of 28-32 HRC.

AMS-DTL-22499/3 Heat treatment

Heat treatment of ams-dtl-22499/3 involves annealing or solution treatment, heating to 1038-1121°C or 1900-2050°F then quenching. Additionally, this material requires the precipitation hardening process, which helps to increase the strength and hardness of the material. This process involves heating the material to 482-620°C or 900-1150°F then holding it for a specific time and quenching.


ams-dtl-22499/3 is an important type of material used in various applications due to its excellent physical and mechanical properties. Understanding this material’s composition, physical and mechanical properties, use, hardness, and heat treatment is crucial to making informed decisions in aerospace, defence, and other industries.

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