ThePipingMart Blog Grades AMS 5754 Hastelloy Alloy – Composition, Properties and Uses

AMS 5754 Hastelloy Alloy – Composition, Properties and Uses

AMS 5754

AMS 5754 is a type of stainless steel widely used in various industries for its excellent properties. This steel is an austenitic type known for its superior strength and corrosion resistance. This blog will closely examine AMS 5754’s composition, physical and mechanical properties, hardness, and heat treatment. By the end of this article, readers will have a comprehensive understanding of this valuable stainless steel.

What is AMS 5754?

AMS 5754 (also known as Hastelloy X Alloy) is a type of metal that is highly sought after by those in the aerospace industry for its exceptional strength and durability. It is a nickel-based alloy known for its heat and corrosion resistance, making it ideal for use in aircraft engines and other critical components that require the utmost reliability. But it’s not just its mechanical properties that make AMS 5754 so desirable – it’s also easy to weld and machine, making it a versatile material that can be adapted to various applications. Whether building state-of-the-art aeroplanes or working on cutting-edge aerospace research, AMS5754 is a material you can trust to perform under even the most demanding conditions.

What Form is AMS 5754 Available at Piping Mart?

  • Bars
  • Nuts
  • Bolts
  • Screws
  • Fasteners
  • Sheet Plates
  • Stud  Bolts
  • Washers

AMS 5754 Composition

AMS 5754’s unique composition gives it exceptional strength and corrosion resistance. It comprises 35-37% nickel, 17-19% chromium, and 9-10% manganese. These elements increase the steel’s tensile strength, flexibility, and toughness. Additionally, this steel has low carbon content, which improves its weldability and resistance to intergranular corrosion.

Element Content (%)
Cr, Chromium 20.5-23
Fe, Iron 17-20
Mo, Molybdenum 8-10
Mn, Manganese 1 max
Si, Silicon 1 max
Ti, Titanium 0.15 max
Co, Cobalt 0.5-2.5
Al, Aluminum 0.5 max
Cu, Copper 0.5 max
C, Carbon 0.05-0.15
P, Phosphorus 0.04 max
S, Sulfur 0.03 max
W, Tungsten 0.2-1
B, Boron 0.008 max
Ni, Nickel Remainder

AMS 5754 Physical Properties

The physical properties of AMS 5754 are noteworthy, making it an excellent choice for applications that require high-performance materials. Its density is 7.85 g/cm3. This steel has a melting temperature of 1398-1446°C and a boiling temperature of 2957°C. It is highly resistant to oxidation and corrosion in high-temperature environments, making it suitable for chemical processing, aerospace, and other industrial applications.

Properties Metric Imperial
Density 8.220 g/cm³ 0.297 lb/in³
Melting point 1316°C 2400°F

AMS 5754 Mechanical Properties

When it comes to the mechanical properties of AMS 5754, it’s all about strength. It has an ultimate tensile strength of 620 MPa and a yield strength of 276 MPa. This austenitic steel is rigid and pliable, which makes it easy to machine and form into complex shapes. It retains its properties even in cryogenic temperatures, making it an excellent choice in extreme environments.

Properties Metric Imperial
Tensile strength 755 MPa 109.5 Ksi
Yield strength 385 MPa 55.9 Ksi
Elastic modulus 205 GPa 29.8 psi
Reduction of area 22% 22%
Hardness, Rockwell B (converted from Brinell hardness) 87 87

AMS 5754 Equivalent

AISI 680 AMS 5587 AMS 5754 ASTM B435 ASTM B572
AMS 5588 AMS 5536 AMS 5798 ASTM B619 ASTM B366
ASTM B622 ASTM B626 PWA 1038 DIN 2.4665 DIN 2.4603
GE B50A436 GE B50A463 GE B50T83A GE B50TF24 GE B50TF25
GE B50TF31

AMS 5754 Thermal Properties

Properties Metric Imperial
Thermal expansion co-efficient 13.0 µm/m°C 7.2 µin/in°F
Thermal conductivity 9.1 W/mK 63 BTU in/hr.ft².°F

AMS 5754 Uses

AMS 5754 sheet finds its applications in various industries, such as aircraft and aerospace, chemical processing, power generation, and medical equipment. Due to its strength, hardness, and resistance to corrosion, it is used to manufacture aircraft components that require high strength and durability. Moreover, it is used in chemical processing equipment, which shows excellent corrosion resistance while exposed to harsh chemicals.

AMS 5754 Hardness

AMS 5754 has a high hardness due to its composition of nickel and chromium. The Rockwell hardness of this steel is typically in the range of 25-35 HRC, which makes it an ideal material for applications that require high hardness.

AMS 5754 Heat Treatment

Heat treatment of AMS 5754 is typically done by annealing. This process involves heating the steel at a specific temperature for some time and then cooling it slowly. This process improves the steel’s ductility and toughness, making it easier to machine and form. Moreover, annealing improves the steel’s corrosion resistance, making it more resistant to oxidation and corrosion.


AMS 5754 material is a valuable austenitic stainless steel with excellent mechanical properties and corrosion resistance. Its unique composition makes it an excellent choice for use in extreme environments. With its high hardness, resistance to corrosion, and heat treatment, its uses are extensive in various industries. Those who need material for high-performance applications should consider this steel due to its superior properties.

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