ThePipingMart Blog Grades AMS 5719 Stainless Steel – Composition, Properties, and Uses

AMS 5719 Stainless Steel – Composition, Properties, and Uses

AMS 5719

AMS 5719 is a popular alloy steel that belongs to the managing steel family. This steel grade is well-known in the aerospace industry for its high strength, toughness, and corrosion resistance. This blog will provide a detailed overview of AMS 5719, covering its composition, physical and mechanical properties, uses, hardness, and heat treatment methods.

What is AMS 5719?

AMS 5719 (also known as Jethete M-152 Steel) is a type of stainless steel highly valued for its exceptional strength and durability. This alloy is designed to withstand extreme temperatures and harsh environments, making it a popular choice in aerospace, automotive, and oil and gas industries. AMS 5719 is known for its resistance to corrosion, which helps to ensure the longevity of the components it is used in. This material is also prized for its high tensile and yield strength, allowing it to withstand significant stress and strain. Overall, if you’re looking for a material that can excel in demanding conditions, then AMS 5719 deserves your consideration.

AMS 5719 Composition

AMS 5719 is a low-carbon, nickel-rich, and molybdenum-free steel alloy that contains small amounts of cobalt, titanium, and aluminium. The alloy mainly comprises iron, with nickel accounting for about 18-19% of the total alloy content. The carbon content is less than 0.03%, whereas the cobalt content is about 9%.

AMS 5719 Physical Properties

The physical properties of the AMS 5719 alloy are impressive. This alloy boasts excellent corrosion resistance and high tensile strength. In addition, it has a high melting point of approximately 2460 degrees Fahrenheit or 1350 degrees Celsius. The alloy also maintains good ductility even when subjected to cryogenic temperatures.

AMS 5719 Mechanical Properties

AMS 5719 alloy is well-known for its remarkable mechanical properties. This alloy exhibits high strength and resilience while still maintaining good toughness. The yield strength of the alloy is 240-260ksi, with tensile strength values ranging from 260-300 ksi. The elongation and reduction of area values are 7% and 30%, respectively. The steel has excellent deformation resistance and can easily form into different shapes and sizes.

AMS 5719 Uses

AMS 5719 alloy steel is commonly used in various industries, including aerospace, defence, marine, and medical sectors. The alloy has excellent strength-to-weight ratios and is highly resistant to corrosion. AMS 5719 alloy is typically used to manufacture structural and non-structural components, gears, shafts, and other highly stressed parts.

AMS 5719 Hardness

The AMS 5719 alloy steel is well-known for its high hardness. The hardness can be increased by heat treatment techniques such as annealing, managing, and ageing. The typical hardness of the alloy ranges from Rockwell C 60 to 62.

AMS 5719 Heat Treatment

AMS 5719 alloy steel can be heat-treated to enhance its mechanical properties. Annealing is used to soften the steel and reduce its hardness while managing is used to increase its hardness and strength. Ageing, on the other hand, increases the steel’s toughness and flexibility while maintaining its hardness and strength.


AMS 5719 is a remarkable alloy steel with impressive mechanical and physical properties. Its composition, high strength, toughness, and corrosion resistance make it an ideal material for highly stressed parts, gears, and shafts. The heat treatment methods that enhance its properties further increase its versatility and durability. Whether you are in the aerospace, defence, marine, medical, or any other industry that requires high-performance materials, AMS 5719 is an excellent choice. With this comprehensive guide, you now have all the information you need to understand, appreciate and take advantage of its extraordinary properties.

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