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Invar 49 - Aspire Alloys

Invar 49 - UNS K94600, ASTM A553, DIN 1.3919, EN AW-49

Invar 49

Invar 49 is a nickel-iron alloy with an even higher nickel content than Invar 42. This alloy is known for its low coefficient of thermal expansion (CTE) and high magnetic permeability, making it suitable for applications requiring both dimensional stability and magnetic performance. It is widely used in electronic, aerospace, and precision engineering industries.

Invar 49's combination of low thermal expansion and excellent magnetic properties makes it ideal for applications in magnetic shielding, transformers, and electronic components.

Invar 49 Plates & Sheets

Invar 49 plates and sheets are used in applications requiring stable dimensions and magnetic properties, such as precision electronic devices and shielding materials.

Invar 49 Round Bars

Invar 49 round bars are widely used in high-precision components, especially in industries that rely on stable magnetic properties and minimal thermal expansion.

Invar 49 Flanges

Invar 49 flanges provide excellent stability and are ideal for use in systems where both dimensional stability and magnetic properties are critical.

Invar 49 Fittings

Invar 49 fittings are used in sensitive systems where dimensional changes due to temperature must be minimized while maintaining magnetic performance.

Invar 49 Tubes & Pipes

Invar 49 tubes and pipes are employed in high-performance engineering systems that demand minimal thermal expansion and excellent magnetic properties.

Invar 49 Fasteners

Invar 49 fasteners are used in precision assemblies requiring stability in both dimensions and magnetic performance, ensuring system reliability.

Applications of Invar 49

  • Electronics: Used in components requiring magnetic stability and minimal thermal expansion.
  • Aerospace: Ideal for precision instruments where dimensional stability is critical under temperature variations.
  • Magnetic Shielding: Applied in systems requiring excellent magnetic properties and thermal stability.
  • Transformers: Used in the manufacturing of precision magnetic components for electrical transformers.

Chemical Composition of Invar 49

  • Nickel (Ni): 48.0% - 50.0%
  • Iron (Fe): Balance
  • Cobalt (Co): 0.4% max
  • Chromium (Cr): 0.25% max
  • Manganese (Mn): 0.30% max
  • Carbon (C): 0.05% max
  • Sulfur (S): 0.01% max
  • Phosphorus (P): 0.01% max