AMS4544 is a high-strength alloy known for its excellent properties, high tensile strength, good resistance to corrosion and wear, and excellent machinability. The material is widely used in various industries ranging from aerospace and defence to oil and gas. This blog will explore the composition, physical and mechanical properties, uses, hardness, and heat treatment of AMS 4544.
What is AMS 4544?
AMS4544 (also know as Monel 400 Alloy) is a high-performance material commonly used in the aerospace industry. It is an aluminium bronze alloy known for its excellent strength, durability, and corrosion resistance. This specialized material is often used in applications requiring high strength and toughness, such as engine components, landing gear, and other critical aircraft parts. AMS 4544 is also a popular choice for marine and industrial applications, thanks to its ability to withstand harsh environments and extreme conditions. Whether you’re an engineer looking for a reliable material to use in your next project or simply curious about the latest advancements in materials science, AMS 4544 is undoubtedly a topic worth exploring.
What Form is AMS 4544 Available at Piping Mart?
- Nut
- Bar
- Bolt
- Pipe
- Screw
- Tubing
- Valves
- Washers
- Flanges
- Fasteners
- Electrodes
- Stud Bolts
- Sheet Plates
- Pipe Fittings
- Forged Fitting
- Instrumentation Fittings
AMS 4544 Composition
AMS 4544 is a nickel-based alloy containing smaller proportions of chromium, iron, molybdenum, and other elements. The composition of AMS 4544 adds to its strength and corrosion resistance properties, making it an excellent choice for various high-performance applications.
| Element | Content (%) |
| Nickel, Ni | Remainder |
| Copper, Cu | 28-34 |
| Iron, Fe | 2.5 max |
| Manganese, Mn | 2 max |
| Silicon, Si | 0.5 max |
| Carbon, C | 0.3 max |
| Sulphur, S | 0.024 |
AMS 4544 Physical Properties
The physical properties of AMS 4544 include a density of 8.2 g/cm³, a melting point of 1370°C, and excellent thermal and electrical conductivity. The material has good resistance to corrosion and oxidation at high temperatures, making it highly desirable in various industries.
| Properties | Metric | Imperial |
| Density | 8.8 gm/cm3 | 0.318 lb/in3 |
AMS 4544 Mechanical Properties
AMS 4544 exhibits excellent mechanical properties such as high tensile strength, elasticity, and impact resistance. The alloy can be easily fabricated, welded, and machined, making it an ideal choice for the aerospace and defence industries.
| Properties | Metric | Imperial |
| Tensile strength(annealed) | 517-620 MPa | 75-90 ksi |
| Yield strength | 172-345 MPa | 25-50 ksi |
| Modulus of elasticity | 179 GPa | 26000 ksi |
| Poisson’s ratio | 0.32 | 0.32 |
AMS 4544 Equivalent
- AMS 4574
- AMS 4675
- AMS 4731
- ASTM B163
- ASTM B165
- ASTM F96
- UNS N04400
AMS 4544 Specification
|
Form |
Standard |
|---|---|
|
Metal Type |
UNS N04400 |
|
AMS 4544 Bar |
ASTM B164 QQ-N-281 Din 17750 |
|
AMS 4544 Wire |
|
|
AMS 4544 Sheet |
ASTM B127 QQ-N-281 |
|
AMS 4544 Plate |
ASTM B127 QQ-N-281 |
|
AMS 4544 Pipe
|
ASTM B165
|
|
AMS 4544 Tube
|
ASTM B165
|
|
AMS 4544 Fitting |
ASTM B366 |
|
AMS 4544 Forging |
ASTM B564 |
|
AMS 4544 Weld Wire |
FM 60/ ERNiCu-7/ 17753 |
|
AMS 4544 Weld Electrode
|
FM 190 ENiCu-7
|
|
Din |
2.4360 |
AMS 4544 Uses
AMS 4544 is widely used in various applications such as gas turbine engine components, aircraft structural components, missile components, and oil and gas equipment. The material’s high strength and corrosion resistance properties make it highly desirable in these applications.
AMS 4544 Hardness
AMS 4544 has a typical hardness range of 30-35 HRC (Rockwell C scale). The hardness of the material can be increased by heat treatment, which involves heating the material to 1120-1150°C followed by rapid cooling in water or oil.
AMS 4544 Heat treatment
Heat treatment of AMS 4544 is primarily used to increase the material’s hardness. The material is typically annealed at 1010-1120°C for 1 hour, followed by air cooling. This treatment enhances the material’s ductility and machinability. AMS 4544 is also subjected to solution treatment at 1065-1120°C for 1 hour, followed by water or oil quenching. This treatment enhances the material’s strength and toughness.
Conclusion:
AMS4544 material is a high-strength nickel-based alloy with excellent mechanical and physical properties. The material is widely used in various industries, including aerospace and defence, oil and gas, and missile components. Its high strength and corrosion resistance properties make it a desirable choice in these applications. Heat treatment of AMS 4544 can further enhance its properties, making it an ideal material for demanding applications that require high performance and reliability.
Meet Bhavesh, a seasoned blogger with a wealth of knowledge and experience. From metal products manufacturing to retail, Bhavesh has a diverse background in various industries and is dedicated to sharing his insights and expertise with readers.
