AMS 5732 is a type of stainless steel commonly used in aerospace and other applications requiring exceptional strength, corrosion resistance, and high-temperature stability. This material is known for its outstanding physical and mechanical properties, making it the go-to material for many demanding applications. In this article, we will explore the composition, properties, and applications of AMS 5732 to help you better understand this unique material.
What is AMS 5732?
AMS 5732 (also known as Stainless Steel A286) is an alloy known for its excellent strength and durability. This metal comprises elements such as nickel, chromium, and molybdenum, which work together to provide a high level of resistance to corrosion and heat. In addition, AMS 5732 metal can withstand extreme temperatures, making it a popular choice in the aerospace and defence industries. It is strong, durable, and malleable and can be easily formed into various shapes, making it versatile for various applications. Overall, AMS 5732 metal is a reliable choice for a high-quality, long-lasting material.
AMS 5732 Composition
AMS 5732 material is a nickel-based alloy that contains significant amounts of chromium, molybdenum, and tungsten. Its chemical composition typically ranges between 19-22% chromium, 12-14% molybdenum, and 3-4% tungsten. This alloy also contains small amounts of carbon, manganese, silicon, phosphorus, sulfur, and iron. It has a high nickel content, which improves its corrosion resistance and gives it excellent ductility.
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 5732 Physical Properties
AMS 5732 exhibits excellent physical properties, making it suitable for high-temperature applications. It has a melting point of 1350-1450°C and a density of 8.27 g/cm3. It also has a low coefficient of thermal expansion, which means it can withstand significant temperature changes without deformation. Additionally, its electrical and thermal conductivity is relatively high compared to other alloys.
Properties | Metric | Imperial |
---|---|---|
Density | 7.92 g/cm3 | 0.286 lb/in3 |
Melting point | 1399°C | 2550°F |
AMS 5732 Mechanical Properties
AMS 5732 sheets boasts excellent mechanical properties, which make it highly desirable in the aerospace industry. It has a tensile strength of 950 MPa and a yield strength of 420 MPa, with a high degree of elongation and reduction in area. Its hardness is typically around 35 HRC, making it highly resistant to wear and abrasion. These properties make it an ideal material for high-stress applications where durability is critical.
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 5732 Equivalent
AISI 660 | AMS 5525 | AMS 5726 | UNS S66286 | AMS 5734 |
AMS 5731 | AISI 662 | AMS 5737 | 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 5732 Uses
AMS 5732 is primarily used in high-temperature, high-stress applications in the aerospace industry, such as turbine engines, exhaust systems, and afterburner parts. It is also used in high-performance applications requiring exceptional strength, such as turbine blades, compressor discs, and chemical reactors. Its high-temperature stability, excellent mechanical properties, and corrosion resistance make it an ideal material for these applications.
AMS 5732 Hardness
The hardness of AMS 5732 is typically around 35 HRC, which makes it highly resistant to wear and abrasion. This material can withstand significant mechanical stress and is ideal for exceptional durability applications. It is also relatively easy to machine, making it a versatile material for various applications.
AMS 5732 Heat Treatment
AMS 5732 can be heat-treated to improve its mechanical properties or to achieve a specific hardness level. The heat treatment process typically involves annealing, followed by ageing. Annealing is carried out at temperatures between 1010-1120°C, which helps to reduce stress and improve ductility. Ageing is carried out at temperatures between 720-815°C, which helps to improve the material’s hardness, strength, and resistance to wear.
Conclusion:
AMS 5732 material is a unique nickel-based alloy valued for its excellent physical and mechanical properties. Its use in the aerospace industry and other demanding applications is a testament to its strength, corrosion resistance, and high-temperature stability. The composition of AMS 5732, its physical and mechanical properties, applications, hardness, and heat treatment were discussed in detail. AMS 5732 is a versatile material ideal for many demanding applications, and its exceptional performance has made it a go-to material in the aerospace industry.
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