ThePipingMart Blog Grades AMS 5824 Stainless Steel – Composition, Properties, and Uses

AMS 5824 Stainless Steel – Composition, Properties, and Uses

AMS 5824

AMS5824 is a highly durable and versatile material widely used in the aerospace industry. It is a high-performance, low-alloy steel with exceptional strength, toughness, and corrosion resistance. With its unique composition and properties, AMS 5824 is an excellent choice for various applications requiring high strength-to-weight ratios, excellent durability, and good wear resistance. In this article, we will delve deeper into the composition, physical and mechanical properties, uses, and heat treatment of AMS5824.

What is AMS 5824?

AMS 5824 (also known as 17-7 PH Stainless Steel) is a specific type of superalloy known for its impressive properties and incredible strength and durability. This material is commonly used in various high-stress applications, including aerospace and industrial sectors, where it can withstand extreme conditions and offer long-lasting performance. Whether used to create high-performance engine components or other critical parts, AMS5824 is a top choice for those looking for a reliable and long-lasting material that won’t disappoint them. So if you’re in the market for a superalloy that can deliver on its promises, look no further than AMS5824.

AMS 5824 Composition

AMS 5824 is a low-alloy steel mainly composed of iron, nickel, and chromium. It also contains molybdenum, titanium, and tantalum. The high levels of nickel and chromium give AMS 5824 its outstanding corrosion resistance, while the molybdenum and titanium enhance its strength and toughness. The tantalum content also helps to improve its resistance to cracking and erosion.

Element Content (%)
Chromium, Cr 16-18
Nickel, Ni 6.50 – 7.75
Manganese, Mn 1 max
Silicon, Si 1 max
Aluminum, Al 0.75 – 1.50
Carbon, C 0.09 max
Phosphorous, P 0.040 max
Sulfur, S 0.030 max
Iron, Fe Balance

AMS 5824 Physical Properties

AMS 5824 has a density of 0.283 pounds per cubic inch (7.84 g/cm³) and a melting point of 2587°F (1420°C). It also has a thermal conductivity of 15.2 BTU/(hr·ft·°F) and a coefficient of thermal expansion of 7.2×10^-6 per °F (13×10^-6 per °C).

Properties Metric Imperial
Density 7.84 g/cm3 0.282 lb/in3

AMS 5824 Mechanical Properties

AMS 5824 has excellent tensile strength, with a minimum of 220 ksi (1517 MPa). It also offers good elongation, with a minimum of 20%. The material has a 38-43 Rockwell C hardness, and its toughness is maintained even at low temperatures.

Properties Metric Imperial
Tensile strength 1170 MPa 170000 psi
Yield strength 965 MPa 140000 psi
Modulus of elasticity 204 GPa 29600 ksi
Poisson’s ratio 0.27-0.30 0.27-0.30
Elongation at break 6% 6%
Hardness, Rockwell C 38 38

AMS 5824 Equivalents

AISI 631 AMS 5528 AMS 5529 AMS 5568 AMS 5644
AMS 5678 ASTM A313 (631) ASTM A564 (631) ASTM A579 (631) ASTM A693 (631)
ASTM A705 (631) DIN 1.4568 MIL S-25043 DIN 1.4568 AMS 5673
AMS 5824 ASME SA705 ASTM A579 (grade 62) MIL SPEC MIL-W-46078 SAE J217
SAE J467

AMS 5824 Uses

AMS 5824 welding wires is widely used in aerospace applications, such as jet engine components, rocket motors, and aircraft structural parts. It is also used in the petrochemical industry, offering excellent corrosion resistance and high-temperature strength. Other applications include bearings, gears, and fasteners.

AMS 5824 Heat Treatment

Heat treatment is crucial in determining the mechanical and physical properties of AMS 5824. Solution annealing at 2150°F (1177°C) followed by rapid quenching in water or oil is recommended for achieving the desired microstructure and properties. The material can also undergo precipitation hardening treatment at 1325-1375°F (718-746°C) for increased strength.


In conclusion, AMS 5824 material is a high-performance, low-alloy steel with exceptional strength, durability, and corrosion resistance. Its unique composition and properties make it an excellent choice for various applications in the aerospace and petrochemical industries. The material’s outstanding toughness, tensile strength, elongation, and superior hardness and resistance to wear make it a preferred material for jet engine components, rocket motors, bearings, gears, and fasteners. AMS 5824 can achieve the desired microstructure and mechanical properties with proper heat treatment.

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