Exploring the NiFe Wire Range: NiFe48, NiFe52, and NiFe70 Compared

NiFe wire, an alloy of nickel and iron,  offers a blend of unique properties that make it indispensable across various industries.

Its significance lies in its adaptability and the specific benefits it brings to each application, from electronics to aerospace and beyond.

At The Crazy Wire Company, we take pride in our comprehensive range of NiFe wires, including NiFe48, NiFe52, and NiFe70, each tailored to meet diverse industry requirements. Our NiFe wire collection is not just about variety; it’s about delivering quality and precision that our clients rely on. In this guide, we will delve into the world of NiFe wire, exploring its characteristics, applications, and the specific advantages of each type in our range, ensuring you have the knowledge to select the perfect wire for your needs.

Let’s get into it…

NiFe: The Nickel-Iron Alloy

NiFe is an alloy composed primarily of nickel (Ni) and iron (Fe). Using both physical and chemical properties of both elements, this metallic blend produces a material with unique properties that can be used in a wide variety of industrial and technological applications.

Composition and Characteristics: NiFe alloys can vary in composition, with nickel content ranging from about 35% to nearly 80%, which significantly influences the alloy’s properties. NiFe alloys include NiFe48, NiFe52, and NiFe70, whose numbers indicate their nickel percentage.

Magnetic Properties: One of the most notable properties of NiFe alloys is their magnetic permeability. Combined with iron, which is also magnetic, nickel exhibits a high level of magnetic permeability, as it is ferromagnetic. NiFe is therefore ideal for applications requiring a magnetic response, such as inductors, transformers, and shielding.

Thermal Expansion: An important property of NiFe alloys is their coefficient of thermal expansion, which measures how much the material expands when heated and contracts when cooled. Since NiFe alloys have a low and predictable thermal expansion rate, they are ideal for precision instruments where dimensional stability is crucial.

Corrosion Resistance: NiFe alloys also benefit from the corrosion resistance characteristic of nickel. In harsh environments, nickel enhances the alloy’s resistance to oxidation and corrosion, making it more durable and long-lasting than pure iron or lower-grade alloys.

Comparison with Pure Nickel (Ni): NiFe alloys provide magnetic and thermal properties that pure nickel cannot. While nickel is corrosion resistant and has good ductility, NiFe alloys can be engineered to deliver specific performance characteristics for specific applications, such as telecommunications and energy storage. In battery connectors and electronic device components, pure nickel has a higher electrical conductivity, making it ideal for applications where this is a primary requirement.

Understanding NiFe Wire and Its Applications

Nickel-Iron (NiFe) alloy wires are renowned for their exceptional properties, which result from the unique combination of nickel and iron. A key characteristic of this alloy is its high magnetic permeability, making it especially useful in electromagnetic applications, and its significant corrosion and oxidation resistance.

Common applications of NiFe wire span a wide array of industries:

  • Electronics: Due to its excellent magnetic properties, NiFe wire is often used in the electronics industry to manufacture inductors and transformers. Electronic components with sensitive inductance can benefit from its ability to maintain a stable inductance in varying environmental conditions.

  • Aerospace: NiFe wire is valued in the aerospace industry for its strength and reliability under extreme conditions. Many aerospace components require materials that can withstand high temperatures and corrosive environments.

  • Engineering: In various engineering applications, NiFe wire plays a crucial role, especially when thermal expansion and magnetic permeability are important. Precision instruments and control systems rely on its versatility and dependability.

NiFe48 wire, containing approximately 48% nickel, is a particularly versatile member of the NiFe family. It offers a balance between cost and performance, making it a popular choice in various applications.

Properties and Strengths:

  • In applications requiring electromagnetic compatibility, NiFe48 wire exhibits good magnetic properties.
  • A moderate nickel content ensures a balance between thermal expansion characteristics and magnetic permeability.

Specific Use-Cases and Benefits:

  • Electromagnetic Interference Shielding: Electronic equipment is shielded using NiFe48 wire in environments where electromagnetic interference (EMI) is a concern.
  • Thermal Stability: NiFe48’s thermal expansion characteristics make it suitable for applications where materials must maintain their shape and size over a wide range of temperatures.

NiFe52 wire, containing approximately 52% nickel, is a unique alloy that offers a distinct set of characteristics, making it highly versatile for a range of applications. Its slightly higher nickel content compared to NiFe48 provides enhanced properties that are beneficial in specific scenarios.

Unique Characteristics:

  • Due to its increased nickel content, NiFe52 wire has enhanced magnetic properties, making it highly suitable for applications requiring enhanced magnetic permeability.
  • Especially in environments with corrosive elements, NiFe52 wire exhibits excellent corrosion resistance.

Optimal Use Scenarios:

  • Magnetic Shielding: In magnetic shielding applications, NiFe52 wire is often preferred due to its enhanced magnetic properties. Magnetic fields are ideal for damaging sensitive electronic components.
  • Precision Engineering: Despite temperature variations, the alloy’s balanced thermal expansion characteristics make it suitable for precision engineering applications.

In order to meet these specialised needs, Crazy Wire Company offers NiFe52 wire in a variety of gauges. Whether you need fine wire for intricate work or thicker gauges for more robust applications, our range is designed to meet your specific needs.

NiFe70 wire, with a high nickel content of approximately 70%, is designed for highly specialised applications where its unique properties are essential. This wire stands out for its exceptional characteristics, derived from its high nickel composition.

High Nickel Content Advantages:

  • Due to its nickel content, NiFe70 wire has superior magnetic properties, making it ideal for applications requiring high magnetic permeability.
  • The material is highly resistant to extreme environments and corrosion, making it suitable for harsh environments.

Specialised Applications:

  • High-Performance Magnetics: The superior magnetic characteristics of NiFe70 wire make it ideal for high-performance magnetic applications, such as advanced electromagnetic devices.
  • Extreme Environment Usage: Aerospace and deep-sea applications benefit from NiFe70 wire’s exceptional corrosion resistance and stability.

Explore our range of NiFe70 wire to find the perfect solution for your high-demand projects.

Comparative Analysis: NiFe48 vs NiFe52 vs NiFe70

When comparing NiFe48, NiFe52, and NiFe70 wires, the key differentiator lies in their nickel content, which directly influences their properties and applications:

  • NiFe48: Balanced for general use, offering good magnetic properties and thermal stability.
  • NiFe52: Enhanced magnetic properties, ideal for magnetic shielding and precision engineering.
  • NiFe70: Superior magnetic permeability and exceptional corrosion resistance for high-performance and extreme environment applications.


It is important to consider the specific requirements of your project when choosing a NiFe wire type. When selecting NiFe wire for your application, consider factors like the required magnetic properties, the environment, and the level of precision.

Expert Tips for Working with NiFe Wire

Working with NiFe wire requires precision and care. Maintain the integrity of the wire by handling it gently to achieve the best results. The unique properties of NiFe wire may require specific handling techniques when cutting and shaping it. The wire’s high nickel content can also affect the soldering process when soldering. Better solder joints can be achieved by pre-tinning the wire and using a flux suitable for nickel alloys.

Why Choose The Crazy Wire Company for Your NiFe Wire Needs?

We provide top-quality NiFe wires to a wide range of industrial and engineering applications at The Crazy Wire Company. We manufacture NiFe wire, including NiFe48, NiFe52, and NiFe70, to the highest standards, ensuring reliability and performance. Because every project has unique requirements, we offer customisation options to meet your requirements.

The NiFe wire solutions we offer are backed by exceptional customer service, ready to help you select the right wire for your needs.

The Crazy Wire Company is a partner who values quality, versatility, and customer satisfaction.

In summary, the NiFe wire range at The Crazy Wire Company, which includes NiFe48, NiFe52, and NiFe70, provides a versatile solution for a wide range of industrial applications.

From general engineering to high-demand magnetic applications, NiFe wires have unique properties. Take a look at our extensive NiFe wire offerings, where quality meets variety and customisation.

The Crazy Wire Company can provide NiFe wire solutions for any project, big or small.

We offer also a massive range of stainless steel wire and nichrome wire through our store. Choose the wire that you want to work with and we’ll get spooling. 

If you’re interested in learning more about wire, check out our other blog on Everything You Need to Know About Wires.

We are also proud to supply this product on our highly popular eBay store, check us out there too.

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