Invar 36 Foil Cold Rolled Description
Invar 36 Foil Cold Rolled is a premium nickel-iron alloy renowned for its outstanding dimensional stability. Comprising approximately 36% nickel, it demonstrates an exceptionally low coefficient of thermal expansion, making it the ideal choice for precise instruments and components exposed to fluctuating temperatures. Its strength and ductility enhance workability, ensuring consistent performance across a wide range of fabrication methods and custom dimensions.
Manufactured under strict quality controls, this foil meets or surpasses standard industry requirements to guarantee reliable performance in critical applications. It is frequently employed in aerospace, optical devices, and scientific instruments where minimal thermal distortion is paramount. With its high-quality finish and ability to maintain tight tolerances, Invar 36 Foil Cold Rolled is an excellent solution for demanding engineering projects.
Invar 36 Foil Cold Rolled Applications
Invar 36 Foil Cold Rolled is widely recognised for its exceptionally low coefficient of thermal expansion, strength, and dimensional stability under extreme temperatures. This makes it highly valuable for advanced industries requiring high-precision and stability in their components. The following are common applications of Invar 36 Foil Cold Rolled across various fields, showcasing its versatility and reliability.
1. Aerospace & Defence Applications
· High-Precision Optical Systems: Invar 36 Foil Cold Rolled is utilised in satellite and telescope components, reducing distortion from temperature fluctuations.
· Missile Guidance Components: The low thermal expansion ensures consistent performance, improving accuracy and reliability in demanding defence systems.
2. Electronics & Instrumentation Applications
· Sensors and Transducers: Invar 36 Foil Cold Rolled maintains stable dimensions, enhancing signal accuracy in sensitive electronic measurement devices.
· Precision Measurement Tools: The foil’s minimal expansion aids in creating highly accurate calipers, micrometers, and other precision-calibration instruments.
3. Industrial & Research Applications
· Dimensional References: Invar 36 Foil Cold Rolled serves as a standard reference in calibration labs, maintaining constant dimensions under varying temperatures.
· Custom Scientific Equipment: Its exceptional thermal stability makes it a prime choice for experimental setups and specialised prototyping in scientific research.
Invar 36 Foil Cold Rolled Packaging
Our Invar 36 Foil Cold Rolled is carefully packaged using specialised, corrosion-inhibiting materials. Each foil layer is separated with protective paper to prevent scratches. The product is then vacuum sealed, reducing exposure to moisture and preserving its integrity. Sturdy outer packaging, combined with rust-preventive measures, ensures safe transport. Custom packaging options are available upon request, allowing you to tailor the solution to your shipping and storage needs.
Packaging: Vacuum sealed, Wooden Box, or Customised.
Invar 36 Foil Cold Rolled FAQs
Q1: What are the key material properties of Invar 36 Foil Cold Rolled?
A1: Invar 36 Foil Cold Rolled is recognised for its remarkably low coefficient of thermal expansion, particularly from cryogenic temperatures up to around 400°F. This nickel-iron alloy offers high dimensional stability and exhibits good strength and ductility. With a nominal composition of 36% nickel balance iron, it also features excellent thermal conductivity and can maintain its integrity in applications that demand precise dimensional control.
Q2: How can Invar 36 Foil Cold Rolled be processed or fabricated?
A2: Invar 36 Foil Cold Rolled can be efficiently formed using standard metalworking techniques, keeping in mind its moderate ductility and tendency for work hardening. Annealing is often performed after cold working to restore optimal physical properties. It can be machined using conventional milling and drilling tools with minimal feed rates to avoid excessive heat. Welding is also feasible, typically done with inert gas shielding and appropriate filler materials.
Q3: Which quality standards and certifications apply to Invar 36 Foil Cold Rolled?
A3: Invar 36 Foil Cold Rolled typically complies with established technical specifications such as ASTM F1684, which outlines the standard requirements for iron-nickel alloys with controlled expansion. Manufacturers often certify material conformance to AMS standards where applicable. Facility certifications, like ISO 9001, ensure consistent quality management and traceability. Material test reports (MTRs), including chemical composition and mechanical properties, also verify compliance with customer and regulatory requirements.
Related Information
1. Material Properties and Advantages
This specialised Invar 36 Foil Cold Rolled product offers exceptionally low thermal expansion, making it a preferred choice in situations where dimensional stability is essential. Its nickel-iron composition, paired with a precise cold rolling procedure, maintains the rigidity and strength of the foil even under varying temperatures. Since the foil can be produced with customised dimensions, industries that require exact component sizes benefit from predictable performance and minimised thermal distortion. The grade’s composition ensures consistent mechanical behaviour, which lends itself to critical applications in aerospace, instrumentation, and other high-precision fields.
Careful selection of Invar 36 emphasises strong corrosion resistance, especially in moderately acidic or humid environments. This reliability makes the grade an attractive solution for manufacturers seeking long-lasting materials that can endure extended service conditions. By using customised dimensions, engineers can design foils that are precisely tailored to their assembly requirements. In effect, the foil retains its flatness, mitigates stresses from thermal cycling, and achieves optimal performance in difficult operating conditions.
2. Manufacturing Process
Engineers typically begin the manufacturing process by melting the nickel-iron alloy in a carefully controlled environment to ensure accurate chemical composition. The resulting metal undergoes thorough refining and casting to form ingots that will ultimately be transformed into Invar 36 Foil. Utilising advanced rolling technology helps maintain consistent thickness, particularly for customers requiring custom specifications. Every phase of the procedure is documented to verify that the foil meets rigorous standards for temperature stability and strength.
Precision cold rolling is the crucial step that grants the foil its unique mechanical and physical properties. By applying precision-rolled passes, the metal gains uniform thickness, maintains dimensional consistency, and delivers structural integrity. Coupled with customised dimensions, the final product allows designers to integrate the foil into tight assemblies. Through this meticulous manufacturing process, Invar 36 Foil Cold Rolled remains a versatile and reliable material, prized for its dependable performance in sensitive engineering applications.
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