ThePipingMart Blog Grades AMS 5647 Stainless Steel – Properties, Uses, Composition

AMS 5647 Stainless Steel – Properties, Uses, Composition

AMS 5647

AMS 5647 is a widely used stainless steel material in the aerospace and automotive industries due to its excellent mechanical properties and corrosion resistance. It is a precipitation-hardening stainless steel that can be easily formed and welded, making it a popular choice for complex parts and structures.

What is AMS 5647

AMS 5647 (also known as 304 Stainless Steel) is a specification for stainless steel bars, forgings, and billets used in high-temperature applications. This specification addresses a significant concern of the aerospace and defence industries. The material is known for its strength and corrosion resistance, making it ideal for jet engines, missile systems, and spacecraft use. The precise composition and manufacturing methods specified in the AMS5647 standard ensure the material meets strict performance requirements. Manufacturers must follow these specifications carefully to ensure their material performs reliably in these critical applications. The AMS 5647 specification is complex and challenging, but its importance cannot be overstated.

What Form Is AMS 5647 Available at Piping Mart?

  • Nut
  • Bar
  • Bolt
  • Pipe
  • Screw
  • Tubing
  • Valves
  • Washers
  • Channels
  • ERW Pipes
  • Flanges
  • Fasteners
  • Electrodes
  • Stud Bolts
  • Sheet Plates
  • Pipe Fittings

AMS 5647 Composition

The composition of AMS 5647 is carefully designed to provide excellent resistance to corrosion, high temperatures, and mechanical stresses. It comprises various elements, including chromium, nickel, molybdenum, and nitrogen. These elements work together to create stainless steel that is strong, durable, and reliable. A proper understanding of the composition of AMS 5647 is critical to ensuring its successful application in various industrial settings.

Element % Present
Carbon (C) 0.07
Chromium (Cr) 17.50 – 19.50
Manganese (Mn) 2.00
Silicon (Si) 1.00
Phosphorous (P) 0.045
Sulphur (S) 0.015b)
Nickel (Ni) 8.00 – 10.50
Nitrogen (N) 0.10
Iron (Fe) Balance

AMS 5647 Physical Properties

AM 5647 tubes is a highly popular stainless steel grade renowned for its strength and durability. With impressive physical properties, AMS 5647 sheet is indispensable in numerous industrial settings, including aerospace and marine applications. This grade of stainless steel boasts superior corrosion resistance and is highly resistant to extreme temperatures and wear and tear. These properties make AMS 5647 ideal for high-stress environments where reliability and toughness are critical. As an expert on this subject, I can attest to the unmatched quality of AMS 5647 plates and its ability to meet the most demanding performance standards. Whether you’re looking for exceptional mechanical strength, corrosion resistance, or wear resistance, AMS 5647 is the stainless steel grade that will deliver unparalleled results.

Property Value
Density 8,000 Kg/m3
Melting Point 1450 °C
Thermal Expansion 17.2 x 10-6 /K
Modulus of Elasticity 193 GPa
Thermal Conductivity 16.2W/m.K
Electrical Resistivity 0.072 x 10-6 Ω .m

AMS 5647 Mechanical Properties

AMS 5647 steel tubing is a high-strength, corrosion-resistant stainless steel alloy that has garnered widespread use in various industries, from aviation to medical equipment manufacturing. As an expert in materials science and engineering, I can attest to the exceptional mechanical properties of AMS 5647. This alloy boasts impressive tensile strength, impact resistance, and fatigue endurance, making it an ideal material for parts and components that require durability and reliability. The material’s unique composition also allows it to withstand exposure to harsh environments and corrosive substances without compromising its structural integrity. In short, AMS 5647 is an outstanding option for applications that demand top-notch performance and longevity.

Property Value
Comprehensive Strength 210 MPa
Proof Stress 210 Min MPa
Tensile Strength 520 – 720 MPa
Elongation 45 Min%

AMS Equivalents













AMS 5647 Uses

AMS 5647 wire is an austenitic stainless steel often used in applications where corrosion resistance and high strength are critical. This extremely versatile steel can be found in various industries, including aerospace, chemical processing, and medical equipment manufacturing. Its unique properties make it ideal for manufacturing complex parts that withstand high stresses, such as surgical instruments, aircraft engines, and missile components. AMS 5647 is also used in applications where extreme temperatures and harsh environments are common, such as heat exchangers, boilers, and nuclear reactor components. Overall, this stainless steel is a reliable and effective material that has proven its worth in numerous high-performance applications.

AMS 5647 Hardness

AMS 5647 material is a high-quality stainless steel that has gained widespread recognition for its superior hardness and excellent resistance to corrosion. Designed to offer exceptional strength and durability, this alloy contains a blend of high levels of chromium, nickel, and molybdenum, making it an ideal choice for various industries, including aerospace and automotive manufacturing. Its exceptional hardness makes it perfect for use in harsh environments, where it can hold up against heavy wear and tear. Additionally, its impressive resistance to corrosion means that it can withstand exposure to harsh chemicals, making it a popular choice for chemical processing plants. With the ability to last for years and years, AMS 5647 is a top choice for those who demand the best in terms of strength, durability, and corrosion resistance.

AMS 5647 Heat Treatment

Heat treatment is crucial in manufacturing AMS 5647, a high-performance alloy renowned for its strength and durability. This material has numerous applications in the aerospace, automotive, and medical industries, where precision and reliability are paramount. As an expert in heat treatment, the key to unlocking AMS 5647’s full potential lies in carefully managing its exposure to heat. By subjecting the material to controlled heating and cooling processes, we can manipulate its properties to achieve desired outcomes such as increased strength, improved flexibility, and enhanced resistance to corrosion. The complexity of these processes requires a keen understanding of the physical and chemical properties of the alloy, along with the latest technology and techniques. With the right expertise and equipment, AMS 5647 can reach its full potential and deliver outstanding performance in even the most demanding environments.


As an expert on the subject of AMS 5647, the conclusion of this specification is truly groundbreaking. Incorporating the latest developments in materials science, AMS 5647 outlines strict guidelines for the procurement, material testing, and certification of stainless steel bars and wire. Designed for use in high-stress environments, this specification ensures that the materials used to manufacture sensitive components meet strict criteria for quality and performance.

Related Post