Understanding Aerospace Material Specifications

Understanding Aerospace Material Specifications

Aerospace material specifications are a vital component of the aerospace industry, providing engineers and manufacturers with the necessary information to produce high-quality, reliable aircraft.

These specifications include information on materials used in aircraft construction, such as metals, composites, and plastics. They also cover important aspects like manufacturing processes, safety standards, and testing procedures.

One of the most critical areas covered by aerospace material specifications is safety. The materials used in aircraft must be able to withstand the extreme conditions encountered during flight while maintaining their structural integrity. For example, they must be able to resist high temperatures, pressures and vibrations that occur during takeoff and landing.

Who Publish Aerospace Material Specifications?

The Aerospace Material Specifications (AMS) are published by the Society of Automotive Engineers (SAE) International. The SAE is a professional organization for engineers and technical experts in the aerospace, automotive, and commercial vehicle industries, among others. The AMS are a set of standards that define the minimum requirements for materials used in aircraft and other aerospace applications.

The AMS standards cover a wide range of materials, including metals, plastics, composites, and adhesives, among others. The standards specify the chemical and physical properties of the materials, as well as the manufacturing and testing requirements to ensure their quality and reliability in aerospace applications.

Most important Aerospace Material Specifications

The importance of Aerospace Material Specifications (AMS) depends on the specific application and material being used. However, here are some of the most commonly used and important AMS standards:

  1. AMS 2404: Electroless Nickel Plating
  2. AMS 2750: Pyrometry
  3. AMS 2759: Heat Treatment of Steel Parts
  4. AMS 2753: Salt Bath Nitriding
  5. AMS 4928: Titanium Alloy Bars, Forgings, and Forging Stock
  6. AMS 2644: Ultrasonic Inspection of Titanium and Titanium Alloy Bar and Billet
  7. AMS 6350: Steel Sheet, Strip, and Plate, 4130 Aircraft Quality
  8. AMS 4921: Titanium Welded Tubing
  9. AMS 5510: Stainless Steel, Sheet and Strip, 18Cr – 10.5Ni – 0.30Cb (SAE 30303)
  10. AMS 5536: Nickel Alloy, Corrosion and Heat-Resistant, Sheet, Strip, and Plate
  11. AMS 2756: Liquid Salt Bath Ferritic Nitrocarburizing
  12. AMS 2801: Polyurethane (PUR) Elastomer, General Purpose
  13. AMS 5662: Nickel Alloy, Corrosion and Heat-Resistant, Bars, Forgings, and Rings
  14. AMS 5663: Nickel Alloy, Corrosion and Heat-Resistant, Bars, Forgings, Extrusions, and Rings
  15. AMS 5643: Steel Bars, Wire, Forgings, Tubing, and Rings, Corrosion and Heat-Resistant, 18Cr – 12Ni – 2.5Mo (SAE 30316)
  16. AMS 5678: Copper-Beryllium Alloy, Bars and Rods
  17. AMS 6454: Steel, Welding Wire 0.50Cr – 0.55Ni – 0.20Mo (0.28 – 0.33C) (SAE 8740)
  18. AMS 6931: Titanium Alloy Bars, Forgings, and Forging Stock 8Al – 1Mo – 1V
  19. AMS 5648: Steel, Corrosion and Heat-Resistant, Bars, Wire, Forgings, Tubing, and Rings, 18Cr – 10.5Ni – 0.70Cb (SAE 30347)
  20. AMS 6265: Steel, Bars, Forgings, and Tubing, 1.6Si – 0.82Cr – 1.8Ni – 0.40Mo – 0.08V (0.20-0.25C) (4330 Mod)

Material Welding is run by highly experienced welding engineers, welding trainers & ASNT NDT Level III bloggers. We strive to provide most accurate and practical knowledge in welding, metallurgy, NDT and Engineering domains.