ThePipingMart Blog Grades AMS 5643 Stainless Steel – Uses, Properties, Composition

AMS 5643 Stainless Steel – Uses, Properties, Composition

AMS 5643

AMS 5643 is a versatile and durable material widely used in various industrial applications. This material is a type of high-performance stainless steel that has exceptional strength, corrosion resistance, and durability. The AMS 5643 is ideal for applications that require high strength and toughness at high temperatures. Due to its superior properties, this material is commonly used in the aerospace, defense, and automotive industries.

What is AMS 5643

AMS 5643 (also known as 17-4 PH Stainless Steel) is a high-strength, high-temperature Stainless Steel alloy widely used in aerospace, chemical, and petrochemical industries. The AMS 5643 provides outstanding strength and excellent performance in high-temperature conditions. This alloy is a versatile material that can be cold-worked to improve its strength and machinability, making it a popular choice in manufacturing aircraft engine parts, jet engine parts, and turbine blades. The AMS5643 is considered a top-quality Stainless Steel and is widely used across various manufacturing industries for its impressive mechanical properties, corrosion resistance, and durability. As an expert in the field, this is a must-have alloy for any industry that values long-lasting and high-quality materials.

What Form is AMS 5643 Available at Piping Mart?

  • Screw

AMS 5643 Composition

When it comes to creating high-quality products that meet specific industry standards, the composition of the material is key. AMS 5643 is no exception. As an expert in the field, I understand the importance of ensuring that the composition of this material is carefully crafted to meet the unique specifications required for each application. Whether used in aerospace, medicine or any other industry, the composition of AMS 5643 material plays a crucial role in its overall performance. From chemical composition to mechanical properties, every aspect of this material must be carefully considered to ensure it meets the highest standards of quality and reliability. As an expert in material science, I pride myself on my ability to carefully analyze, test and optimize the composition of AMS 5643 to ensure it meets the unique needs of every application.

Chemical Element % Present
Carbon (C) 0.0 – 0.07
Chromium (Cr) 15.00 – 17.00
Manganese (Mn) 0.0 – 1.50
Silicon (Si) 0.0 – 0.70
Phosphorous (P) 0.0 – 0.04
Sulphur (S) 0.0 – 0.03
Nickel (Ni) 3.00 – 5.00
Copper (Cu) 3.00 – 5.00
Molybdenum (Mo) 0.0 – 0.60
Niobium (Columbium) (Nb) 0.0 – 0.45
Iron (Fe) Balance

AMS 5643 Physical Properties

Regarding the physical properties of AMS 5643, there are a few key things to keep in mind. This alloy is known for its excellent corrosion resistance, making it a popular choice in harsh and demanding environments. Additionally, it boasts impressive strength and toughness, making it a reliable option for various applications. Whether you’re looking for a material that can withstand high temperatures, resist wear and fatigue, or perform well under heavy loads, AMS 5643 is a top contender. With its impressive combination of properties and proven track record of success, it’s no wonder why so many industries rely on this powerful alloy for their most critical projects.

Physical Property Value
Density 7.75 g/cm³
Thermal Expansion 10.8 x10^-6 /K
Modulus of Elasticity 196 GPa
Thermal Conductivity 18.4 W/m.K
Electrical Resistivity 0.8 x10^-6 Ω .m

AMS 5643 Mechanical Properties

AMS 5643 plate is a highly sought-after steel alloy in materials science due to its exceptional mechanical properties. This particular alloy is known for its high strength and excellent corrosion resistance, making it an excellent choice for applications that require durability and reliability. As an expert in the field, I can confidently say that AMS 5643 is a top-performing material choice for industries such as aerospace, defence, and medical devices. When considering mechanical properties, this alloy boasts impressive numbers with a yield strength of 110 ksi and a tensile strength of 125 ksi. With these characteristics, it’s clear that AMS tubes 5643 is a high-performance material that meets the rigorous demands of many different industries.

Properties Metric Imperial
Shear modulus 77.4 GPa 11200 ksi
Elastic modulus 190-210 GPa 27557-30458 ksi
Poisson’s ratio 0.27-0.30 0.27-0.30
Hardness, Brinell 352 352
Hardness, Knoop (estimated from Rockwell C) 363 363
Hardness, Rockwell C 36 36
Hardness, Vickers (estimated from Rockwell C) 349 349

AMS 5643 Equivalents

AISI 630 ASTM A693 (630) AMS 5342 MIL-S-81506
AMS 5604 ASTM A705 (630) AMS 5343 SAE J467 (17-4PH)
AMS 5622 MIL C-24111 AMS 5344 ASME SA705
AMS 5643 MIL P-47183 AMS 5355 ASME SA564
ASTM A564 (630) MIL S-81591 AMS 5825

AMS 5643 Uses

AMS 5643 welding wire is a popular grade of stainless steel that offers superior corrosion resistance and strength compared to other alloys. It is a versatile material that offers incredible durability and longevity even in the harshest environments. Some of the most common uses of AMS 5643 include manufacturing aerospace components, medical implants, and marine equipment. Due to its superior resistance to heat and wear, it is also frequently used in producing turbine blades and other high-temperature applications. As an expert on the subject, AMS 5643 is an excellent choice for any project that requires strength, corrosion resistance, and durability. Its outstanding performance makes it a valuable investment for the future of any application.

AMS 5643 Hardness

When it comes to alloys, knowing the hardness of a material is essential to understanding its capability to withstand wear and tear over time. AMS 5643 is a popular alloy known for its impressive hardness and strength. Its ability to resist wear and corrosion over a long period makes it an ideal material for use in various industries. Experts in the metallurgy field recognize this alloy’s incredible properties, and its versatile nature makes it a valuable asset in a wide range of applications. Whether you need to manufacture equipment that will endure high-stress situations or require a material that will hold up in a corrosive environment, AMS 5643 hardness can provide the properties necessary to get the job done right.

AMS 5643 Heat treatment

Heat treatment is a critical process in manufacturing AMS 5643, a popular stainless steel alloy used in a wide range of industries. As an expert in the field, the heat treatment of AMS 5643 is not a one-size-fits-all approach. The specific heat treatment process will depend on the final product’s desired mechanical properties and application requirements. A successful heat treatment process requires careful temperature, time, and cooling rate monitoring to achieve the desired microstructure and properties. This attention to detail is crucial to ensure the final product meets the stringent standards required by the aerospace, medical, and automotive industries. Investing in the proper heat treatment process is an investment in the success of your product.


As an expert in the field, I am pleased to discuss the conclusion of AMS 5643. This specification outlines the requirements for stainless steel bars, wires, and forgings commonly used in applications with high strength, corrosion resistance, and good mechanical properties. This specification concludes that the material meets the requirements for these applications and is a reliable choice for customers seeking a durable, long-lasting product. With its excellent properties and dependable performance, AMS 5643 will continue meeting the needs of various industries for years to come.

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