FE8452 Invar 36 Bar Annealed

Invar 36 Bar Annealed Description

Invar 36 Bar Annealed is a specialised nickel-iron alloy noted for its exceptionally low coefficient of thermal expansion. This unique property ensures minimal dimensional changes when exposed to fluctuating temperatures, making it the material of choice for critical applications in aerospace, cryogenics, and precision measuring instruments. Thanks to its annealed condition, this Invar 36 bar offers enhanced stability and uniformity, helping maintain tight tolerances even under the most demanding operating environments.

Available in fully customisable dimensions, each Invar 36 Bar Annealed is meticulously manufactured to meet rigorous quality controls and industry standards. Ideal for both prototype development and large-scale production, its superior strength and resilience promise consistent performance across a wide temperature range. For projects that require uncompromising accuracy and reliability, our Invar 36 Bar Annealed provides the perfect solution.

Invar 36 Bar Annealed Applications

Invar 36 Bar Annealed is a nickel-iron alloy recognised for its exceptionally low coefficient of thermal expansion across a broad temperature range. This characteristic makes it the material of choice where high dimensional stability is critical. Commonly utilised in scientific instruments, precision measurement devices, and aerospace structures, it ensures accurate performance during extreme temperature fluctuations. As a result, Invar 36 plays a vital role in multiple high-precision applications.

1. Aerospace and Satellite Applications

·        Low-Expansion Rocket Engine Components: Minimises dimensional changes during rapid temperature fluctuations

·        Satellite Positioning Frames: Ensures stable alignment of critical instrumentation in orbit

2. Precision Instrumentation Applications

·        Dimensional Reference Gauges: Maintains calibration accuracy over varying temperatures

·        Scientific Measurement Devices: Guarantees exact readings in demanding laboratory conditions

3. Optical and Laser Systems

·        Telescope Support Structures: Prevents misalignment due to thermal expansion

·        Laser Alignment Components: Preserves precise beam positioning in high-performance setups

Invar 36 Bar Annealed Packaging

Invar 36 bar annealed is typically packaged with corrosion-inhibiting paper or plastic wrap, coupled with vacuum-packed protective films to prevent oxidation and environmental contamination. A sturdy crate or wooden box is then used for mechanical protection. Additional anti-corrosion treatments or specialised coatings can be applied upon request. For convenience, custom sizes, labels, and packaging configurations are available, ensuring each shipment meets exact specifications while maintaining product integrity throughout transport.

Packaging: Vacuum sealed, Wooden Box, or Customised.

Invar 36 Bar Annealed FAQs

Q1: What are the key material properties of Invar 36 Bar Annealed?

A1: Invar 36 is an iron-nickel alloy formulated to exhibit an extremely low coefficient of thermal expansion around room temperature. The annealed condition stabilises the microstructure, enhancing dimensional stability and reducing stress. Invar 36 offers moderate mechanical strength, high dimensional stability over a wide range of temperatures, and good machinability. It is particularly useful in applications requiring precise dimensional control, such as aerospace and instrumentation components.

Q2: How can Invar 36 Bar Annealed be processed or fabricated?

A2: Invar 36 Bar Annealed can be processed through conventional methods such as turning, milling, drilling, and tapping with tools designed for high-temperature alloys. Preheating is typically not required, but controlled feed rates and suitable coolants help maintain tolerances and reduce work hardening. Welding is possible using low-heat input techniques and matching filler metals. Post-weld annealing may be employed to restore dimensional stability and reduce residual stresses.

Q3: Which quality standards and certifications apply to Invar 36 Bar Annealed?

A3: Invar 36 Bar Annealed often adheres to specifications such as ASTM F1684 for chemical composition and mechanical properties, ensuring a low thermal expansion coefficient. Manufacturers may also comply with ASME requirements for pressure vessel applications or AMS standards for aerospace contracts. Quality management systems like ISO 9001 are commonly employed to maintain consistent product quality. Material test reports (MTRs) detailing composition and properties further support traceability and conformance.

Related Information

1. Material Properties and Advantages

Invar 36 Bar Annealed is renowned for its exceptionally low coefficient of thermal expansion, making it ideal for environments that demand high dimensional stability. As an annealed bar shaped to customised dimensions, this grade maintains its structural integrity under both extreme temperature fluctuations and stringent mechanical stress, ensuring consistent performance over an extended service life.

Maintaining a near-constant size over a wide temperature range becomes a paramount advantage in precision instruments that require exact tolerances. Moreover, the precise tailoring of Invar 36 bars into customised lengths and diameters affords designers the flexibility to optimise their assembly processes, resulting in reduced waste and enhanced overall product reliability.

2. Applications in Advanced Industries

Advanced sectors such as aerospace, optical engineering, and cryogenics heavily rely on Invar 36 Bar Annealed due to its reliability in maintaining tight dimensional tolerances. In scenarios involving temperature-sensitive components, these bars can be machined to customised specifications, enabling manufacturers to meet rigorous design requirements and uphold stringent performance standards.

Technical innovation within semiconductor production and scientific research also benefits from the high stability provided by this grade. With its annealed structure offering superior machinability and consistent properties, Invar 36 bar stock is increasingly adopted for applications that demand microscopic accuracy in assembling delicate components.