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Invar 36 - Aspire Alloys

Invar 36 - UNS K93600, ASTM A553, DIN 1.3912, EN AW-36

Invar 36

Invar 36 is a nickel-iron alloy known for its extremely low coefficient of thermal expansion (CTE). This alloy is widely used in precision instruments and applications where dimensional stability is critical despite temperature variations. Invar 36 is highly valued in aerospace, optical, and electronic industries.

The unique low-expansion properties of Invar 36 make it an ideal material for applications that require high precision, such as measuring devices, control systems, and high-performance engineering systems.

Invar 36 Plates & Sheets

Invar 36 plates and sheets are used in applications where dimensional stability is crucial, such as precision measurement devices and thermal control systems.

Invar 36 Round Bars

Invar 36 round bars are used in high-precision applications, such as in the aerospace industry, where stability in extreme temperature conditions is required.

Invar 36 Flanges

Invar 36 flanges are designed for high-precision applications requiring dimensional stability in environments with fluctuating temperatures.

Invar 36 Fittings

Invar 36 fittings are used in systems where temperature-induced expansion or contraction must be minimized, ensuring long-term stability and reliability.

Invar 36 Tubes & Pipes

Invar 36 tubes and pipes are employed in the manufacturing of precision components for high-performance systems that demand minimal thermal expansion.

Invar 36 Fasteners

Invar 36 fasteners are used in sensitive systems where maintaining dimensional stability under varying temperatures is critical for overall system performance.

Applications of Invar 36

  • Aerospace: Used in satellites, spacecraft, and other precision equipment where low thermal expansion is required.
  • Optical: Ideal for optical instruments where accuracy is critical and temperature variations can affect performance.
  • Measuring Devices: Commonly used in the construction of high-precision measurement tools and devices.
  • Electronic: Applied in systems where maintaining dimensional stability under fluctuating temperatures is essential.

Chemical Composition of Invar 36

  • Nickel (Ni): 35.0% - 37.0%
  • 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