If you’re in the aerospace or automotive industry, you might have heard of AMS 5786. This specification covers the requirements for a nickel-iron-chromium-molybdenum-columbium alloy (UNS N07718) in bars, forgings, and forging stock. AMS5786 is commonly used to produce turbine engine components, such as turbine discs, spacers, and shafts. This blog post will look closely at AMS5786, including its composition, physical and mechanical properties, uses, and heat treatment.
What is AMS 5786?
Have you ever heard of AMS 5786(also known as Hastelloy W)? It’s a mouthful but an essential material for aerospace engineering. AMS 5786 is a high-strength titanium alloy commonly used in critical components of aircraft engines, like turbine discs and compressor blades. This alloy is known for its excellent resistance to fatigue and high-temperature performance, which makes it a reliable choice for ensuring safe and efficient air travel. So, the next time you’re boarding a plane, you can thank AMS 5786 for helping to keep you soaring through the sky!
What Form Is AMS 5786 Available at Piping Mart?
- Washer
AMS 5786 Composition
AMS 5786 is made up of a nickel-iron-chromium-molybdenum-columbium (ni-fe-cr-mo-cb) alloy. This composition gives the material excellent strength, toughness, and corrosion resistance. It also has high-temperature stability, which makes it ideal for use in turbine engine components that operate at high temperatures.
| Elements | Content (%) |
|---|---|
| Nickel, Ni | 63 |
| Molybdenum, Mo | 24 |
| Iron, Fe | 6 |
| Chromium, Cr | 5 |
| Cobalt, Co | 2.50 |
| Vanadium, V | 0.60 |
AMS 5786 Physical Properties
AMS 5786 has a density of 8.19 g/cm³ and a melting point of 1336°C. It has good thermal and electrical conductivity, making it an ideal material for high-temperature applications. It also has excellent resistance to oxidation and corrosion.
AMS 5786 Mechanical Properties
AMS 5786 has excellent mechanical properties. It has a minimum tensile strength of 185 ksi (1276 MPa) and a minimum yield strength of 150 ksi (1034 MPa). It also has a high fatigue strength and good creep resistance. The material has a maximum hardness of 363 HBW.
AMS 5786 Equivalent
- AMS 5755
- AMS 5786
AMS 5786 Uses
The primary use of AMS 5786 is in producing turbine engine components. It is commonly used to manufacture turbine discs, spacers, and shafts. It is also used in other high-temperature applications, such as nuclear reactors and gas turbines.
AMS 5786 Hardness
AMS 5786 has a maximum hardness of 363 HBW. This makes it a relatively rigid material, essential for high-stress applications.
AMS 5786 Heat Treatment
AMS 5786 can be heat-treated to improve its properties. It can be solution-treated and then age-hardened to enhance its strength and hardness. The material can also be cold-worked to improve its strength and fatigue resistance.
Conclusion:
In summary, AMS 5786 material is a ni-fe-cr-mo-cb alloy with excellent strength, toughness, and corrosion resistance. Its high-temperature stability makes it ideal for turbine engine components operating at high temperatures. The material has excellent mechanical properties, with a minimum tensile strength of 185 ksi and a maximum hardness of 363 HBW. It can be heat-treated to improve its properties and is commonly used in the aerospace and automotive industries. If you’re looking for a high-quality material that can withstand high temperatures and stress, consider using AMS 5786.
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