FE8411 Invar 42 Plate Annealed

Invar 42 Plate Annealed Description

Invar 42 Plate Annealed is distinguished by its exceptionally low coefficient of thermal expansion, making it an ideal solution for applications where dimensional stability is paramount. Composed of approximately 42% nickel and the balance iron, this alloy ensures minimal deformation under temperature changes, a valuable property for precision instruments, electronic devices, and aerospace components. Manufactured in a carefully controlled annealed condition, Invar 42 Plate offers a refined microstructure and enhanced ductility, facilitating reliable performance and ease of fabrication.

Available in customised dimensions, each plate undergoes stringent inspection to meet exacting quality standards. This attention to detail ensures uniform thickness, outstanding flatness, and consistent mechanical properties across every piece. Whether used in sophisticated measuring equipment or high-technology enclosures, Invar 42 Plate Annealed guarantees consistent results and a performance edge in demanding thermal environments.

Invar 42 Plate Annealed Applications

Invar 42 Plate Annealed is a specialised iron-nickel alloy widely used in industries that demand minimal thermal expansion. Its remarkable stability over a range of temperatures and compatibility with certain glass materials make it essential for precise instrumentation and packaging applications. Additionally, Invar 42’s ability to maintain dimensional accuracy ensures continued reliability in critical environments.

1. Electronics and Sealing Applications

·         Hermetic Seals: Utilises low expansion to create reliable closures where components interface with glass and ceramics

·         Integrated Circuit Packages: Maintains tight tolerances, enhancing performance and longevity in delicate electronic assemblies

2. Precision Measuring Instruments

·         Metrology Tools: Offers excellent dimensional stability, ensuring accurate calibration over time

·         Calibration References: Provides a reliable standard for verifying measurement equipment under fluctuating conditions

3. Aerospace and Defence Systems

·         Sensor Housings: Prevents stress-induced distortions, safeguarding sensitive instrumentation in extreme temperatures

·         Avionics Enclosures: Delivers consistent dimensional stability, ensuring secure mounting of mission-critical components

Invar 42 Plate Annealed Packaging

Invar 42 Plate Annealed is securely packed using corrugated cartons and protective foam to guard against impact. Each plate is vacuum-sealed to minimise exposure to humidity, and anti-corrosion agents are added for extended protection during transit. Customised packaging options, including special labelling, reinforced crates, and dimensional adjustments, are available upon request to accommodate unique shipping requirements and ensure product integrity.

Packaging: Vacuum sealed, Wooden Box, or Customised.

Invar 42 Plate Annealed FAQs

Q1: What are the key material properties of Invar 42 Plate Annealed?

A1: Invar 42 Plate Annealed is characterised by a nominal 42% nickel and balance iron composition, featuring a low coefficient of thermal expansion over a specific temperature range. This results in excellent dimensional stability, making it ideal for applications requiring tight tolerances and minimal thermal distortion. In addition, it offers good ductility, moderate strength, and reliable magnetic properties, enabling it to perform effectively in a variety of precision environments.

Q2: How can Invar 42 Plate Annealed be processed or fabricated?

A2: Invar 42 Plate Annealed can be machined using conventional methods, though slower cutting speeds and adequate coolants are recommended to reduce work hardening. Welding is commonly performed with inert gas shielding, ensuring minimal contamination and distortion. Forming operations require moderate forces, but care should be taken to avoid excessive deformation. Post-forming heat treatments, such as stress relief annealing, further enhance dimensional stability and material uniformity.

Q3: Which quality standards and certifications apply to Invar 42 Plate Annealed?

A3: Invar 42 Plate Annealed typically meets specifications under ASTM F1684 or similar standards that define composition and property requirements. These plates also often adhere to ISO 9001 quality management guidelines for manufacturing consistency. Certain aerospace applications may demand AMS or NADCAP approvals, while electronic and specialty uses can call for additional industry-specific certifications. Manufacturers provide traceability documentation to confirm adherence to applicable regulations and customer requirements.

Related Information

1. Material Properties and Advantages

Manufactured to achieve a remarkably consistent coefficient of thermal expansion, the annealed Invar 42 Plate is composed of approximately 42% nickel and the balance iron. This meticulous chemical balance provides superior dimensional stability, making it ideal for customised applications where precise control over size is essential. Additionally, its excellent magnetic properties and high strength-to-weight ratio allow for increased performance in environments that require minimal variation under extreme temperature shifts.

Because of these inherent characteristics, Invar 42 Plate delivers a distinct advantage over standard alloys in industries where tight tolerances are critical. The annealing process further refines the grain structure, enhancing the metal’s uniformity and ensuring reliable behaviour under stress. Users benefit from fewer dimensional distortions during operations, leading to reduced downtime and cost savings when compared to less stable materials.

2. Applications in Advanced Industries

Applied in multiple high-tech sectors, annealed Invar 42 Plate with customised dimensions is particularly valuable in the aerospace and electronic engineering domains. Its low expansion properties are sought after in satellite components, where minute dimensional changes can compromise sensitive instruments. Beyond spacecraft applications, it also finds use in sophisticated electronic devices that demand stable platforms for printed circuit boards and other precise assemblies.

Utilised in demanding environments such as deep-sea operations and scientific research labs, Invar 42 Plate offers performance consistency amid fluctuating temperatures. This grade is often chosen for measurement devices, optical systems, and specialised tooling where a high degree of accuracy is paramount. By leveraging the alloy’s unrivalled thermal stability, engineers can rely on minimal expansion-related issues, resulting in more efficient project execution and enhanced product longevity.