One of the most popular materials used for aerospace and defence applications is AMS 5888. It is a nickel alloy with excellent strength and corrosion resistance, making it ideal for critical components in extreme environments. Despite its widespread use, many people must fully know what AMS5888 is, its composition, physical and mechanical properties, and its various applications; this blog post will look in-depth at AMS 5888, its properties, and its uses.
What is AMS 5888?
If you’re in the aerospace industry, you may have heard of AMS 5888 (also known as Inconel 617 Alloy). But what exactly is it? AMS 5888 is an alloy often used in aircraft engines due to its incredible strength and resistance to high temperatures. It is a nickel-based superalloy that can withstand extreme conditions without losing its structural integrity, making it perfect for use in critical engine components. With AMS5888, manufacturers can create aircraft engines that are safer, more efficient, and more durable than ever before. So next time you’re flying, take comfort that your plane’s engine is powered by the remarkable AMS 5888.
What Form Is AMS 5888 Available at Piping Mart?
- Stud Bolts
- Sheet Plates
- Pipe Fittings
- Forged Fitting
- Instrumentation Fittings
AMS 5888 Composition
AMS 5888 is a nickel-based alloy containing chromium, cobalt, molybdenum, and tungsten. The standard composition for AMS 5888 is 50% nickel, 20% chromium, 20% cobalt, 5% molybdenum, and 3% tungsten. Because of this composition, AMS 5888 offers high strength, flexibility, toughness, and excellent resistance to corrosion and oxidation.
|Manganese, Mn||≤ 1|
|Silicon, Si||≤ 1|
|Carbon, C||≤ 0.15|
AMS 5888 Physical Properties
The physical properties of AMS 5888 include a density of 9.05 g/cm3, a melting point of 1300-1399°C, and a thermal conductivity of 11.5 W/mK at 1350°C. Its electrical resistivity is 0.58 μΩm, and its specific heat capacity is 427 J/kg·K. These physical properties make AMS 5888 an ideal material for high-temperature applications.
AMS 5888 Mechanical Properties
The mechanical properties of AMS 5888 include ultimate tensile strength, yield strength, elongation, and reduction in area. In the annealed condition, AMS 5888 has a maximum tensile strength of 935 MPa, a yield strength of 415 MPa, an elongation of 48%, and a reduction in the area of 62%. When the material is solution annealed and aged, its ultimate tensile strength increases to 1600 MPa, and its yield strength increases to 1430 MPa.
|Tensile strength||≥ 485 MPa||≥ 70300 psi|
|Yield strength||≥ 275 MPa||≥ 39900 psi|
|Elongation at break||≥ 25%||≥ 25%|
AMS 5888 Equivalent
- DIN 2.4663
AMS 5888 Uses
AMS 5888 is commonly used for aerospace and defence applications, including gas turbine engine components, aircraft exhaust systems, and missile components. It is also used in the oil and gas industry, chemical processing plants, and marine applications. AMS 5888 is preferred for these applications because of its strength, toughness, and corrosion resistance.
AMS 5888 Hardness
The hardness of AMS 5888 can be measured using Rockwell C and Vickers scales. The Rockwell C hardness of AMS 5888 is typically in the range of 30-38 HRC, while the Vickers hardness generally is in the 250-300 HV field.
AMS 5888 Heat Treatment
AMS 5888 can be heat treated to achieve different mechanical properties. The material is typically solution annealed and then aged to improve its strength. The solution annealing process involves heating the material to 1100-1150°C for 1-4 hours and then cooling it rapidly. The ageing process consists in reheating the material to a temperature of 720-760°C for 16-24 hours and then air cooling it. These heat treatment processes improve ultimate tensile strength, yield strength, and hardness.
In conclusion, AMS 5888 is a nickel-based alloy with excellent strength, toughness, and corrosion resistance. It is used extensively in the aerospace and defence industries, the oil and gas industry and marine applications. It has a unique combination of properties, making it ideal for use in extreme environments, and its heat treatment process can be tailored to achieve specific mechanical properties. One can appreciate its critical role in modern-day engineering and manufacturing by understanding the composition, physical and mechanical properties, and various applications of AMS 5888.
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