AMS 5641 is a popular aerospace stainless steel alloy that is used for a wide range of applications in the aviation industry. The alloy not only offers high strength but also has good corrosion resistance properties. It is well-known for its toughness, wear-and-tear resistance, and ability to retain strength even under high temperatures. This blog post will explore the composition, physical properties, mechanical properties, hardness, heat treatment, and uses of AMS 5641.
What is AMS 5641?
AMS 5641 (also known as 303 Stainless Steel) is a type of stainless steel that is widely used in industries where high strength and corrosion resistance are necessary. This material is characterized by its outstanding durability and superior toughness, making it ideal for aerospace, chemical processing, and medical equipment applications. AMS5641 is known for its exceptional resistance to corrosion and oxidation, making it well-suited for use in harsh environments where other metals would quickly deteriorate. With its unique properties and impressive performance record, it’s no wonder that AMS5641 is a top choice for engineers and manufacturers worldwide.
What Form Is AMS 5641 Available at Piping Mart?
- Nuts
- Tubing
- Flanges
- Fasteners
- Sheet Plates
- Pipe Fittings
- Forged Fittings
AMS 5641 Composition
AMS 5641 is a martensitic stainless steel alloy that contains up to 17% chromium, 4% nickel, and 2.5% molybdenum. Other elements present in the alloy include carbon, silicon, manganese, sulfur, and phosphorus. The alloy’s unique combination of elements gives it exceptional mechanical and physical properties.
|
% |
303 |
|
C |
0-0.10 |
|
Mn |
0-2.0 |
|
Si |
0-1.0 |
|
P |
0-0.4 |
|
S |
0-0.15 |
|
Cr |
17-19 |
|
Ni |
8-10 |
|
Fe |
balance |
AMS 5641 Physical Properties
AMS 5641 has a density of 7.8 g/cm³ and is magnetic. It has a melting point of 1463°C and can be used in high-temperature applications. The alloy has high strength and excellent toughness, making it ideal for harsh environments.
|
Property |
Value |
|
Density |
8.03 kg/m3 |
|
Melting Point |
1455°C |
|
Modulus of Elasticity |
193 GPa |
|
Electrical Resistivity |
0.72 x 10-6 Ω.m |
|
Thermal Conductivity |
16.3 W/m.K |
|
Thermal Expansion |
17.3 x 10-6/K |
AMS 5641 Mechanical Properties
The mechanical properties of AMS 5641 are impressive. Its ultimate tensile strength is 190ksi, its yield strength is 135ksi, and its elongation is 10%. Its high strength, toughness, and wear resistance make it ideal for aerospace applications requiring high-performance materials.
|
Grade |
303 |
|
Tensile Strength (MPa) |
500-750 MPa |
|
Proof Stress (MPa) |
190 Min MPa |
|
Elongation A5 mm |
35 Min % |
| Hardness Brinell | 230 Max HB |
AMS 5641 Equivalents
|
Euronorm |
UNS |
BS |
En |
Grade |
|
1.4305 |
S30300 |
303S31 |
58M |
303 |
AMS 5641 Hardness
AMS 5641 is a hard, wear-resistant alloy. Its Rockwell hardness ranges from C43 to C47 in the annealed condition and can be hardened further through heat treatment.
AMS 5641 Heat Treatment
The heat treatment process for AMS 5641 involves quenching the steel in oil or air, followed by tempering. This process helps to improve the alloy’s hardness, toughness, and resistance to wear and tear.
AMS 5641 Uses
AMS 5641 is commonly used to manufacture aircraft parts that require high strength and resistance to wear and tear. The alloy is also used in producing shafts, gears, and bearings, which require high toughness, and its excellent corrosion resistance makes it suitable for marine applications.
Conclusion:
AMS 5641 is a versatile aerospace stainless steel alloy with exceptional strength, wear, and corrosion resistance. Its unique composition, physical properties, and mechanical properties make it a go-to material for applications in aerospace, marine, and other harsh environments. Its excellent heat treatment capabilities also make it suitable for high-temperature applications. Whether you need a material for aircraft parts or bearings, AMS 5641 is a reliable, high-performance alloy that will meet your needs.
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.
