Invar 36 Bars

Invar 36 bar is a unique material widely used for industrial purposes because of its very low coefficient of thermal expansion. It is a material that contains mostly nickel and iron and is ideal for applications which require stability of the structure and shape at high or low temperatures. Invar 36 bars possess good mechanical properties and possess reasonable corrosion resistance in numerous settings and therefore can be considered ideal for use in industries that require reliability and precision.

Chemical Composition of Invar 36 Bars

Understanding the properties and performance of Invar 36 Bars requires an understanding of the composition of the Invar 36 Bars.

Therefore, this table offers some chemical composition of these Bars and their properties, as well as their suitability.

Mechanical Properties of Invar 36 Bars

The table gives engineers and manufacturers the information needed to assess the integrity and durability of Invar 36 Bars in demanding environments.

Therefore, this important data on the strength, flexibility and resilience of Invar 36 Bars is essential to reliability and longevity.

Features of Invar 36 Bars

Invar 36 bars are widely valued for their exceptional characteristics that make them suitable for specific engineering and industrial applications. Key features include:

• Low Coefficient of Thermal Expansion (CTE): Invar 36 has particularly low CTE at cryogenic temperatures up to about 260°C (500°F) and is used where accurate dimensions and stability are important.
• Excellent Dimensional Stability: It does not expand or shrink with temperature fluctuations, essential for holding parts of fragile equipment and measuring devices.
• High Strength and Durability: Invar 36 has a relatively high mechanical strength and toughness and can also effectively bear stress under conditions of high pressure.
• Corrosion Resistance: Invar 36 has moderate corrosion resistance in many atmospheric and chemical environments, though surface treatment may be required for harsh conditions
• Weldability and Machinability: The alloy can be easily welded and machined, allowing it to be fabricated into complex shapes and structures.
• Compatibility with Cryogenic Applications: Its performance in extremely low temperatures makes it suitable for cryogenic storage tanks and other cold-environment applications.

These features make Invar 36 bars indispensable in high-precision and thermal stability applications.

Applications of Invar 36 Bars

Invar 36 bars, which possess superior characteristics, are used in different sectors where stability of dimensions is desired under thermal expansion.

• Precision Instruments: Invar 36 bars are used in products such as calibration instruments, optical systems and lasers because the material is resistant to changing dimensions with temperature.
• Aerospace Industry: These bars are ideal for aircraft parts, satellite components, and cryogenic storage systems requiring dimensional accuracy.
• Electronics: Invar 36 bars are employed in electronic components, including shadow masks for cathode ray tubes and parts of integrated circuits.
• Cryogenic Applications: 36 bars are suitable for cryogenic vessels, storage tanks, and transfer lines due to their reliable performance at low temperatures.
• Scientific Equipment: Invar 36 bars are employed in precision balances, measuring devices, and experimental setups where thermal expansion must be minimised.
• Oil and Gas Industry: These bars utilise temperature-sensitive tooling and components in exploration and extraction systems.
• Architectural Applications: Invar 36 bars are used to build large structures, such as telescopes, that require high stability over time and temperature changes.
• Tooling and Dies: The invar bars are used in tooling applications for molds and dies where precision is critical, especially in composite and aerospace manufacturing.

The unique properties of Invar 36 bars make them indispensable for high-performance and highly precise industrial applications.