materials

A286

A286 is an iron-based superalloy, specifically designed to have excellent strength and corrosion resistance in both extremely hot and extremely cold environments.

7.5

Relative Cost of Material

8.0

Machining Degree of Difficulty

Summary

Alloy A286 is a high-performance superalloy, primarily made of iron, nickel, and chromium. It is a nonmagnetic material that maintains excellent strength and corrosion resistance in both high (up to 700°C) and low (-200°C) temperature environments. Additionally, in notched sections A286 boasts a high rupture strength and ductility, and its hardness can be increased through heat treatments to achieve even better mechanical properties.

While many machine shops struggle with A286 in its original form, Mindrum Precision has extensive experience with the material including machining it in a pre-aged (already hardened) state. Our A286 components are on a number of different high-profile projects, including NASA’s SLS program, and include milled, turned, and polished components. Click here for our contact information or to request a quote, and we will show you why more engineers are trusting us with their mission-critical needs.

Applications

As a high-performance, extreme-temperature alloy, A286 is a These characteristics have made it a frequent choice on engineers and designers in aerospace applications. In addition to many NASA missions, A286 is also found in jet engines, automotive applications, and oil and gas applications as well. 

Properties

Material PropertyA286
Density (g/cm^3)7.92
Hardness (Rockwell C)32
Tensile Strength (MPa)1035
Modulus of Elasticity (GPa)201
Poisson's Ratio.31
Coefficient of Thermal Expansion (1 x 10^-6/°C)17
Thermal Conductivity (W/m K)15
Specific Heat (J/kg*K)461
*Note: Properties vary by manufacturer. The above information should be used for general reference purposes only.

related Materials

  • Inconel – A nickel-based superalloy that has excellent mechanical properties for extreme environments
  • Steel – A versatile, cost-effective iron-based metal that is available in many varieties.
  • Zirconia – Extremely durable ceramic material often pared with iron-based metals and alloys.