ThePipingMart Blog Grades AMS 4200 Aluminum Alloy – Composition, Properties and Uses

AMS 4200 Aluminum Alloy – Composition, Properties and Uses

AMS 4200

AMS 4200 is a popular alloy that is commonly used in various industries. It is known for its high strength and excellent resistance to corrosion. If you need to retrieve information regarding AMS 4200, such as its composition, physical and mechanical properties, uses, hardness, and heat treatment, you’ve come to the right place! In this blog post, we will delve into these aspects to give you an in-depth understanding of AMS 4200.

AMS 4200 Composition

AMS 4200 is a nickel-based alloy with several elements: iron, chromium, molybdenum, tungsten, manganese, copper, nickel, and carbon. Specifically, the chemical composition of AMS 4200 can be summarized as Ni 55%, Fe 20%, Cr 20%, Mo 3%, and W 2%.

AMS 4200 Physical Properties

AMS 4200’s excellent physical properties make it the perfect choice for challenging industrial environments. These physical properties include a high melting point of around 1400°C, a density of 8.2 g/cm3, and excellent resistance to thermal fatigue and oxidation.

AMS 4200 Mechanical Properties

AMS 4200 is a high-strength alloy that exhibits impressive mechanical properties. Its ultimate tensile strength is 690 MPa, while its yield strength is around 415 MPa. Additionally, AMS 4200 boasts a high elongation of approximately 25% and a low coefficient of thermal expansion.

AMS 4200 Uses

AMS 4200 is a versatile alloy widely used in various industries thanks to its excellent physical and mechanical properties. This alloy is commonly used in the aerospace, marine, and chemical processing industries, where it is employed in making gas turbine engine parts, chemical processing equipment, and marine components.

AMS 4200 Hardness

AMS 4200 is well-known for its remarkable hardness properties. In its solution-annealed state, the alloy has a hardness rating of around 190 Brinell hardness (HB). Additionally, after being heat-treated, AMS 4200 can attain a hardness rating of up to 420 HB.

AMS 4200 Heat treatment

AMS 4200 can withstand various heat treatment processes. This alloy’s most popular heat treatment processes include annealing, solution annealing, and precipitation hardening. These heat treatment processes help to improve the alloy’s mechanical properties, such as its toughness and flexibility, making it more suitable for different industrial applications.


In conclusion, AMS 4200 is a high-strength nickel-based alloy with excellent physical and mechanical properties. Its remarkable versatility makes it applicable across various industries, including aerospace, marine, and chemical processing. The alloy boasts a high melting point, excellent thermal fatigue and oxidation resistance, and excellent mechanical properties. If you’re looking for an alloy that can perform reliably, even under challenging industrial conditions, then AMS 4200 is worth considering.

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