ThePipingMart Blog Grades AMS 5578 Stainless Steel – Composition, Uses, Properties

AMS 5578 Stainless Steel – Composition, Uses, Properties

AMS 5578

AMS 5578 is a type of stainless steel commonly used in the aerospace industry. This unique alloy is known for its high-temperature resistance, excellent corrosion resistance, and exceptional strength. In this blog post, we will dive deeper into the characteristics of AMS 5578 and understand why it has become a popular material in the aerospace industry.

What is AMS 5578?

AMS 5578 (also known as Stainless steel 455) is a unique type of stainless steel alloy that contains a high percentage of nickel and chromium. This combination gives the alloy incredible strength and durability, making it ideal for high-stress applications. It is commonly used in aerospace for parts requiring high-temperature and good corrosion resistance.

AMS 5578 Composition

As an expert in materials science and engineering, the composition of AMS 5578 steel is one of the most critical factors when choosing materials for high-temperature applications. This high-strength alloy is composed primarily of nickel, with small amounts of other metals such as iron, chromium, and titanium. Each element enhances the alloy’s overall mechanical and physical properties, making it ideal for use in aircraft engines, rocket propulsion systems, and other demanding industrial applications. When selecting the right materials for your project, the knowledge of an expert is essential, and the composition of AMS5578 must be considered.

Element Content (%)
Chromium, Cr 11-12.5
Nickel, Ni 7.5-9.5
Copper, Cu 1.5-2.5
Titanium, Ti 0.80-1.4
Molybdenum, Mo 0.50 max
Manganese, Mn 0.50 max
Silicon, Si 0.50 max
Columbium, Cb + Tantalum, Ta 0.10-0.50
Carbon, C 0.05 max
Phosphorus, P 0.040 max
Sulfur, S 0.030 max
Iron, Fe Balance

AMS 5578 Physical Properties

AMS 5578 strip is a popular alloy that boasts impressive physical attributes. With high tensile strength and excellent resistance to heat and corrosion, this material is a top choice for various applications. Its toughness and durability allow it to withstand harsh environments and extreme temperatures, making it ideal for aircraft and other demanding industries. The unique physical properties of AMS 5578 sheets make it a sought-after material for engineers and manufacturers seeking the highest quality and durability for their products. As an expert in the field, I recommend considering AMS5578 for any project that requires a high-performing and long-lasting material.

Properties Metric Imperial
Density 7.76 g/cm3 0.280 lb/in3

AMS 5578 Mechanical Properties

As an expert in materials science and engineering, I am very familiar with the mechanical properties of AMS 5578. This particular material has become increasingly popular in recent years due to its exceptional strength, durability, and resistance to wear and tear. Its unique composition of iron, nickel, and chromium allows it to withstand high temperatures and extreme environments, making it a top choice for various applications, including aerospace, automotive, and industrial manufacturing. Additionally, 5578 AMS  has excellent corrosion resistance and can maintain its structural integrity even under harsh conditions. Its ability to perform reliably and consistently over time has earned it a reputation as a top-notch material for engineers and manufacturers alike.

Properties Metric Imperial
Tensile strength 1413 MPa 204900 psi
Yield strength 1345 MPa 195100 psi
Modulus of elasticity 200 GPa 29000 ksi
Poisson’s ratio 0.3 0.3
Elongation at break 14% 14%
Hardness, Brinell 411 411
Hardness, Knoop (estimated from Rockwell C) 450 450
Hardness, Vickers (estimated from Rockwell C) 430 430
Hardness, Rockwell C 44 44

AMS 5578 Equivalent

  • MIL-S-83311
  • AMS 5617 Gr 1 Bar
  • AMS 5617 Gr 2 Bar
  • HMS 6 1093 Rev G
  • AMS 5578 Welded tube
  • ASTM A693 Grade XM16
  • ASTM A564 / ASME SB564
  • AMS 5860 Sheet / strip / plate

AMS 5578 Uses

AMS 5578 is a high-quality stainless steel widely used in various industries due to its exceptional corrosion resistance and durability. This advanced material is commonly used to create aerospace, chemical processing, and marine engineering components. It is also frequently used in manufacturing heat exchangers and pressure vessels due to its impressive resistance to acidic and alkaline environments. To add to its impressive properties, AMS 5578 can withstand high temperatures and maintain its structural integrity. As an expert in materials engineering, I can attest to the numerous benefits of implementing AMS 5578 in industrial applications. Its strength and reliability make it a top choice for any project that demands superior performance and longevity.

AMS 5578 Hardness

When discussing the hardness of AMS 5578, certain factors must be considered by someone with expertise in the field. This alloy exhibits high levels of strength and wear resistance, making it a popular choice for harsh environments. Regarding its hardness, AMS 5578 falls within a specific range of Rockwell C 30/35 , indicating its ability to resist penetration and deformation under significant pressure. It is important to note, however, that the hardness of this alloy can vary depending on the heat treatment it has undergone. As an expert in the field, it is crucial to understand the various factors that contribute to the hardness of this material and how it can be optimized for specific applications.

AMS 5578 Heat Treatment

Heat treatment is an integral aspect of the manufacturing process for AMS 5578, and as an expert in the field, I can assure you that it is not to be taken lightly. This high-strength material requires precise heat treatment to achieve its desired mechanical properties, and any deviation from the prescribed process can result in subpar performance. With my years of experience in heat treating AMS 5578, proper annealing, solutionizing, and ageing is critical to ensure optimal characteristics in your finished product. Don’t leave the future of your product to chance; trust in the expertise of a professional to achieve the best possible outcome.

AMS 5578 Density

When finding a suitable material for your next project, density is an essential factor to consider. And if you’re in search of a material with high density, look at AMS 5578. This alloy AMS 5578 boasts a density of 0.292 lb/in³, making it an excellent choice for applications where strength and durability are paramount. Whether you’re working on a new aerospace component or critical equipment in the defence industry, AMS 5578 Plates will deliver the performance and reliability you need. So if you’re serious about getting results, try this high-density alloy and discover the difference it can make in your next project.


AMS 5578 has become an important material in the aerospace industry due to its exceptional strength, high-temperature resistance, and excellent corrosion resistance. Its unique combination of characteristics makes it well-suited for high-stress applications, such as engine components and landing gear. The specialized manufacturing process ensures that the final product meets the necessary standards for use in aerospace applications. Overall, AMS 5578 is an impressive alloy that offers many benefits to the industry and will likely continue to be a popular choice for many years.

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