ThePipingMart Blog Grades Nilo 52 Alloy (UNS N14052) – Composition, Properties, and Uses

Nilo 52 Alloy (UNS N14052) – Composition, Properties, and Uses

Nilo Alloy 52

When it comes to materials engineering, it is necessary to utilize the most appropriate type of alloy to achieve specific results. One of the remarkable materials available in the market is Nilo Alloy 52. This iron-nickel alloy is known for its exceptional properties, making it a popular choice for various industrial applications. From its composition to its heat treatment characteristics, understanding more about Nilo Alloy 52 can help you make better decisions on your material selection. So, let’s dive in and better grasp this unique alloy.

What is Nilo alloy 52?

Nilo Alloy 52 is a high-temperature, corrosion-resistant nickel-based alloy composed of 52% nickel, 18.5% chromium, 9.5% molybdenum, and titanium and aluminium. It has excellent strength at elevated temperatures and hot hardness properties that make it ideal for applications in gas turbine engines and nuclear power plant components.

Nilo Alloy 52 Composition

Nilo Alloy 52 is an iron-nickel alloy that contains 50% nickel and 48% iron composition. It also includes other elements like cobalt, vanadium, molybdenum, and silicon that contribute to its unique properties. The high nickel content gives Nilo Alloy 52 its low coefficient of thermal expansion, while the iron content helps in reducing its magnetic permeability. The combination of its chemical composition makes it an excellent material for different applications.

Element Content (%)
Nickel, Ni 52
Iron, Fe Remainder

Nilo Alloy 52 Mechanical Properties

Nilo Alloy 52 exhibits excellent mechanical properties, making it a top choice for various industrial applications. It has a tensile strength of 780 MPa, which allows it to handle high-stress environments. Furthermore, it is highly resistant to fatigue and creep and has a high modulus of elasticity, making it highly durable and robust.

Properties Metric Imperial
Tensile strength 552 MPa 80 ksi
Yield strength 276 MPa 40 ksi
Modulus of elasticity 159 GPa 23000 ksi

Nilo Alloy 52 Physical Properties

Nilo Alloy 52 has unique physical properties, making it a preferred material in various applications. It has a density of 8.18 grams per cubic centimetre, making it a relatively lightweight material. It also has a high-temperature coefficient of resistance, which means its electrical conductivity remains stable even under extreme temperature changes.

Properties Metric Imperial
Density 8.3 gm/cm3 0.3 lb/in3

Nilo Alloy 52 Equivalents

  • UNS N14052
  • ASTM F30
  • Pernifer 50

Nilo Alloy 52 Uses

Because of its unique combination of characteristics, Nilo Alloy 52 is applied in various industrial applications. It is highly used in aerospace to construct the inner-core structure of satellites and space vehicles. It is also involved in the automotive industry, specifically for automotive thermostats and other mechanical components that require high-temperature stability. Nilo Alloy 52 is also helpful in medical applications and constructing electrical contacts, where high durability and resistance are necessary.

Nilo Alloy 52 Corrosion Resistance

Another critical characteristic that makes Nilo Alloy 52 an ideal material for various applications is its corrosion resistance. The high nickel content makes it highly resistant to liquid and gaseous media-induced corrosion.

Nilo Alloy 52 Heat Treatment

Nilo Alloy 52 is highly resistant to hydrogen embrittlement, surface embrittlement, and stress corrosion cracking. Furthermore, Nilo Alloy 52 can undergo various heat treatment processes, including annealing, cold working, and normalizing, to overcome residual stresses or improve its mechanical characteristics.

Nilo Alloy 52 Machining & Machining

Nilo Alloy 52 can be complicated, requiring precision equipment and techniques to prevent deformation and cracking. To achieve the best results, it’s necessary to use diamond tools, coolants, and lubricants when machining Nilo Alloy 52.

Nilo Alloy 52 Welding

Welding Nilo Alloy, 52, must also be done correctly to avoid brittleness and cracking. It is recommended to preheat the material before soldering to reduce the risk of cracking.


In conclusion, understanding the properties and possible applications of Nilo Alloy 52 would allow you to choose the appropriate material that will suit your needs. This alloy’s unique composition and characteristics make it a top choice in various industrial applications, including aerospace, automotive, medical, and electrical industries. Nilo Alloy 52 exhibits exceptional mechanical properties, physical properties, corrosion resistance, and heat-treatment characteristics, making it stand out from its competition. With its combination of strength, durability, and resistance to corrosion, it is no wonder that Nilo Alloy 52 continues to gain popularity in different industries.

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