ThePipingMart Blog Grades AMS 5734 Stainless Steel Alloy – Properties, Composition, and Uses

AMS 5734 Stainless Steel Alloy – Properties, Composition, and Uses

AMS 5734

Alloy materials play a critical role in various industries, and the demand for high-quality alloys constantly increases. AMS 5734 is among the many alloys manufacturers use to make parts and components for various devices, machines, and engines. However, what exactly is AMS 5734? This blog post will guide AMS 5734’s composition, properties, uses, hardness, and heat treatment.

What is AMS 5734?

AMS 5734 (also known as Stainless Steel A286) metal is a type of high-temperature alloy often used in aerospace and power generation industries. This metal is designed to withstand extreme temperatures and maintain its strength and durability over time. It is composed of a unique blend of elements such as nickel, chromium, and titanium, giving it distinctive properties. This alloy is known for its excellent resistance to corrosion, oxidation, and thermal fatigue, making it a go-to choice for demanding applications. Whether powering a jet engine or a nuclear reactor, AMS5734 metal has proven to be a reliable and essential material in modern engineering.

AMS 5734 Composition

AMS 5734 sheet is a nickel-based alloy with excellent corrosion resistance and high-temperature properties. It comprises various elements such as chromium, molybdenum, tungsten, niobium, nickel, and iron. The composition of AMS5734 is carefully balanced to offer exceptional strength, toughness, and durability. This ensures the alloy can withstand extreme conditions prevalent in aerospace, petrochemical, and nuclear applications.

Element Content (%)
Iron, Fe 54
Nickel, Ni 25.5
Chromium, Cr 14.8
Titanium, Ti 2.13
Molybdenum, Mo 1.30
Manganese, Mn 1.0
Silicon, Si 0.50
Vanadium, V 0.30
Aluminum, Al 0.18
Carbon, C 0.040
Phosphorous, P 0.020
Sulfur, S 0.015
Boron, B 0.0060

AMS 5734 Physical properties

The physical properties of AMS 5734 are impressive as it boasts excellent resistance to corrosion, thermal expansion, and robust performance over a broad temperature range. The alloy also exhibits high tensile and yield strength capability, high fatigue resistance, and good flexibility. These properties make AMS 5734 a perfect alloy for parts and components requiring high-temperature and high-stress applications.

Properties Metric Imperial
Density 7.92 g/cm3 0.286 lb/in3
Melting point 1399°C 2550°F

AMS 5734 Mechanical properties

AMS 5734 plate also exhibits several mechanical properties that are important in various industries. The alloy offers high hardness and wear resistance, making it a preferred material for challenging environments. It also offers high creep and oxidation resistance, vital in applications subject to harsh working conditions. The mechanical properties of AMS 5734 are presented clearly and accurately in data sheets, which specialist alloy manufacturers provide.

Properties Metric Imperial
Tensile strength 1035 MPa 150100 psi
Yield strength (@strain 0.200%) 759 MPa 110000 psi
Elongation at break 25% 25%
Reduction of area 40% 40%
Hardness, Brinell (estimated from Rockwell C value for Brinell test with 3000 kg load/10 mm diameter ball) 304 304
Hardness, Knoop (estimated from Rockwell C value) 330 330
Hardness, Rockwell C 32 32
Hardness, Vickers (estimated from Rockwell C value) 318 318

AMS 5734 Equivalent

AISI 660 AMS 5525 AMS 5726 AMS 5732 AMS 5734
AMS 5731 AISI 662 UNS S66286 AMS 5804 AMS 5895
AMS 5853 AMS 5805 AMS 5858 DIN 1.4943 SPS M250
DIN 1.4944 GE B50T81 GE B50T12 GE B50T1181 ASTM A453 Grade 660
ASTM A638 Grade 660 stainless steel A-286

AMS 5734 Uses

AMS 5734 tubing is employed in several industries owing to its exceptional properties. This includes the aerospace, nuclear, chemical, and petrochemical industries. For instance, the alloy makes gas turbine components and jet engine parts essential for long flights. Moreover, it is applied in processing chemicals, fuels, and gases in refineries, power plants, and nuclear reactors. Additionally, the alloy is used to manufacture fasteners, springs, and couplings for machinery in high-temperature or corrosive environments.

AMS 5734 Hardness

AMS 5734 offers high hardness and excellent resistance to deformation. This makes the alloy ideal for high wear and tear applications and conditions that expose the alloy to harsh working conditions. The hardness of AMS 5734 is achieved through high-temperature hardening, a heat treatment process typically carried out by alloy manufacturers.

AMS 5734 Heat treatment

Heat treatment is an essential process that can significantly improve the properties of AMS 5734. The treatment is carried out by heating the alloy to high temperatures of up to 1500°F followed by rapid cooling to attain the desired properties. High-temperature hardening, stress relieving, and ageing are some of the most common heat treatment processes carried out on AMS 5734.


In summary, AMS 5734 material is a nickel-based alloy composition that offers high strength, excellent corrosion resistance, and high-temperature properties. The alloy is widely used in several industries due to its exceptional mechanical properties, including high wear resistance, creep resistance, and oxidation resistance. Alloy manufacturers have perfected the heat treatment process of AMS 5734, enabling them to attain the desired properties that meet the requirements of various industries. AMS 5734 is a reliable alloy that has unmatched toughness and durability, making it a preferred material for applications in harsh working conditions.

Related Post