ThePipingMart Blog Grades AMS 5796 Haynes Alloy – Composition, Properties, and Uses

AMS 5796 Haynes Alloy – Composition, Properties, and Uses

AMS 5796

AMS5796 is a high-performance nickel-based superalloy commonly used in various industrial applications. The alloy is known for its high strength, corrosion resistance, and excellent thermal stability. If you want to learn more about AMS 5796, you’ve come to the right place. In this blog post, we’ll discuss the composition, physical and mechanical properties, uses, hardness, and heat treatment of AMS5796.

What is AMS 5796?

AMS5796, also known as Aluminum Alloy 2024-T3, is an aluminium alloy in aerospace and commercial applications. It is one of the best combinations of strength and fatigue properties available in a high-strength wrought aluminium alloy, making it a widely used material for aircraft components.

AMS 5796 Composition

AMS 5796 is a nickel-based superalloy that contains chromium, molybdenum, and cobalt. Its chemical composition comprises 64.6% nickel, 14% cobalt, 8% chromium, 4.9% molybdenum, 5.1% tungsten, 2.5% tantalum, 0.07% carbon, and 0.015% boron. Adding these elements enhances the material’s strength and improves its mechanical properties.

Element Content (%)
Cobalt, Co 49.3
Chromium, Cr 20
Tungsten, W 15
Nickel, Ni 10
Iron, Fe 3
Manganese, Mn 1.5
Silicon, Si 1
Carbon, C 0.15
Sulfur, S 0.030
Phosphorous, P 0.040

AMS 5796 Physical Properties

AMS 5796 has a density of 8.3 g/cm³. It also has a melting range of 1290-1380°C and a thermal conductivity of 11.9 W/mK. The alloy’s thermal expansion coefficient at room temperature is 12.3 µm/m-°C. Additionally, it has excellent corrosion resistance to acids and oxidizing environments.

Properties Metric Imperial
Density 9.13 g/cm³ 0.33 lb/in³
Melting point 1382°C 2520°F

AMS 5796 Mechanical Properties

AMS 5796 is known for its high strength and excellent creep resistance at elevated temperatures. Its yield strength is 1060 MPa, with a tensile strength of 1370 MPa. The elongation at break is 17%. The alloy’s fatigue and corrosion resistance are also noteworthy, making it ideal for harsh environments.

AMS 5796 Equivalent

  • AISI 670
  • AMS 5537
  • AMS 5759
  • AMS 5796
  • ASTM F90
  • GE B50T26
  • GE B50TF1
  • MIL C-24252 Comp 1


  • UNS R30605
  • AMS 5537 Sheet Strip and Plate
  • AMS 5759 Bar and Forging Stock
  • AMS 5796 Welding Wire
  • AMS 5797 (UNS W73605) Welding Rod
  • ASTM F90 Bar and Wire (surgical implant quality)
  • GE B50T26
  • GE B50A460
  • Tradenames: Udimet Alloy L-605, Haynes 25, Nickelvac L-605

AMS 5796 Uses

Due to its exceptional properties, AMS 5796 is widely used in different applications, including gas turbine engine components, aerospace, chemical processing, and power generation. The alloy’s high-temperature strength, corrosion resistance, and thermal stability make it ideal for harsh environments.

AMS 5796 Hardness

AMS 5796 has an excellent hardness that ranges from 25-35 HRC, depending on the heat treatment and the specific application. With this hardness, the alloy is highly resistant to wear and tear, making it ideal for use in high-stress environments.

AMS 5796 Heat treatment

AMS 5796 can be heat-treated to improve its mechanical properties. The most common heat treatment methods include solution annealing, ageing, and cold working. By applying these methods, AMS 5796 can achieve higher strength and hardness while maintaining its excellent thermal stability and corrosion resistance.


In conclusion, AMS 5796 material is a nickel-based superalloy with exceptional strength, thermal stability, and corrosion resistance. Due to its excellent properties, the alloy is widely used in various applications, from aerospace to power generation. Understanding the composition, physical and mechanical properties, uses, hardness and heat treatment methods of AMS 5796 is crucial in selecting the right material for a particular application. We hope that this comprehensive guide has provided you with the necessary information you need to know about AMS 5796.

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