FE8387 Invar 42 Sheet Thickness 0.04 inch

Invar 42 Sheet Thickness 0.04 inch Description

Our high-quality Invar 42 Sheet, with a thickness of 0.04 inch, is crafted to deliver exceptional dimensional stability under varying temperatures. As an iron-nickel alloy renowned for its minimal thermal expansion, Invar 42 ensures precise performance in applications where maintaining tight tolerances is critical. This material features enhanced strength and superior corrosion resistance, making it a dependable choice for industries that demand reliable, long-lasting performance under rigorous conditions.

Ideal for precision instruments, aerospace components, and electronic devices, Invar 42 stands out for its ability to safeguard against the detrimental effects of temperature fluctuations. This sheet undergoes stringent quality inspections to meet the highest standards, guaranteeing that each piece meets specifications for purity, strength, and consistency. Whether for prototype development or large-scale production, our Invar 42 Sheet provides the dependable strength, stable dimensions, and consistent performance essential for critical applications.

Invar 42 Sheet Thickness 0.04 inch Applications

Invar 42 is widely recognised for its stable coefficient of thermal expansion. The 0.04-inch thickness makes this metal particularly well-suited for niche applications that demand high dimensional stability. This specialised alloy finds usage across sectors where minimal dimensional changes are paramount, including electronics, metrology, and aerospace components. The consistent thickness ensures reliable performance, enabling precise manufacturing tolerances in demanding environments.

1. Electronics Applications

·         Thermal-Stable Lead Frames: Invar 42 sheets ensure minimal expansion, improving reliability in circuit designs

·         Hermetic Packages for ICs: The alloy’s low expansion rate supports secure, leak-proof casings

·         Precision Electronic Test Fixtures: Consistent thickness aids in accurate and repeatable measurements

2. Aerospace Applications

·         Satellite Structural Elements: The reduced expansion helps maintain alignments in tight orbital tolerances

·         Engine and Exhaust System Parts: Excellent dimensional stability under extreme temperature variations

3. Metrology and Instrumentation

·         Precision Gauge Blocks: Consistent thickness contributes to high-accuracy measurements

·         Sensor Housings: Invar 42’s thermal properties protect sensitive instrumentation from distortion

Invar 42 Sheet Thickness 0.04 inch Packaging

Invar 42 sheets measuring 0.04 inch thick are meticulously protected with specialised materials designed to minimise damage during transportation. Each sheet is carefully vacuum-sealed, preserving cleanliness and preventing moisture infiltration. Corrosion-resistant coatings and VCI (vapor corrosion inhibitor) inserts help guard the surface against oxidation. Additional layers of foam or corrugate ensure safe handling. Customisable packaging options are available, including brand-specific labeling, reinforced crates or pallets, and handling instructions tailored to unique shipping requirements.

Packaging: Vacuum sealed, Wooden Box, or Customised.

Invar 42 Sheet Thickness 0.04 inch FAQs

Q1: What are the key material properties of Invar 42 Sheet Thickness 0.04 inch?

A1: Invar 42 is a nickel-iron alloy containing approximately 42% nickel, known for its low coefficient of thermal expansion. At 0.04 inch thickness, this material exhibits consistent dimensional stability when exposed to temperature fluctuations. It has a high Curie temperature, good machinability, and reliable strength. Additionally, Invar 42 offers excellent magnetic properties, making it ideal for electronic components and thermostatic systems that require tight dimensional tolerances.

Q2: How can Invar 42 Sheet Thickness 0.04 inch be processed or fabricated?

A2: Invar 42 sheets can be processed using conventional fabrication methods, including stamping, machining, and forming. Its moderate hardness allows for controlled cutting with carbide tooling to minimise edge distortion. Welding techniques such as TIG or laser welding require careful preheating and post-weld heat treatment to maintain dimensional stability. Precision grinding or lapping can achieve tight thickness tolerances, ensuring a uniform 0.04-inch profile suitable for critical applications.

Q3: Which quality standards and certifications apply to Invar 42 Sheet Thickness 0.04 inch?

A3: Invar 42 sheets are commonly produced and tested under ASTM F1684, which specifies chemical composition and mechanical properties for nickel-iron alloys. Additional conformance to ISO 9001 ensures consistent production and traceability. Many manufacturers also adhere to AMS standards, ensuring strict material control. Certification to NADCAP standards may be required for aerospace applications. These certifications verify the alloy’s composition, dimensional accuracy, and overall quality for high-performance industries.

Related Information

1. Material Properties and Advantages

Relying on a distinctive nickel-iron composition, Invar 42 sheet with a thickness of 0.04 inch demonstrates impressive dimensional stability over a broad temperature range. This quality originates from its extremely low thermal expansion coefficient, enabling precise component alignment in diverse environmental conditions. By maintaining remarkable structural consistency, it substantially decreases the likelihood of distortion or warping, ensuring optimal performance in highly demanding tasks.

Building on these strengths, Invar 42’s superior thermal stability also contributes to its overall resistance to fatigue. The 0.04-inch thickness helps balance weight requirements against structural toughness, proving vital in scenarios where repeated thermal cycling is common. Manufacturers appreciate the ease of machining and consistent flatness of this sheet grade, minimising the risk of misalignments. As a result, Invar 42 sustains its reputation for delivering reliable, high-precision results.

2. Applications in Advanced Industries

Utilised within the aerospace sector, Invar 42 sheets of 0.04-inch thickness excel in components subjected to rapid temperature changes. From satellite structures to advanced flight instrumentation, these sheets maintain stable performance, ensuring that precision-driven designs retain proper form under intense conditions. The low expansion characteristics are also beneficial in semiconductor manufacturing, where even slight dimensional deviations can disrupt delicate production stages.

Museums and cultural institutions turn to Invar 42 sheet for exhibit frameworks that protect sensitive artefacts. By selecting this material for temperature-controlled display cases or specialised storage, curators reduce the risks posed by environmental fluctuations. The lightweight 0.04-inch form factor remains sufficiently robust to support intricate installations, making it an ideal option for preserving valued collections. Taken together, these diverse uses reveal how Invar 42 remains a cornerstone material in industries that depend on unwavering accuracy and reliability.