FE8421 Invar 36 Rod 1/4 inch

Invar 36 Rod 1/4 inch Description

This 1/4 inch diameter Invar 36 rod is a specialised nickel-iron alloy known for its extraordinarily low coefficient of thermal expansion. With approximately 36% nickel, it delivers precise dimensional stability across a wide temperature range.

Typically used in high-precision instrumentation, aerospace engineering, and scientific research equipment, this material maintains reliable accuracy even under extreme conditions. Our Invar 36 rods meet stringent quality controls to ensure consistent composition, mechanical strength, and resistance to wear. They are manufactured using advanced processes in compliance with recognised industry standards, making them ideal for applications sensitive to thermal distortion. Use these rods for stability and assurance in your next critical project.

Invar 36 Rod 1/4 inch Applications

Invar 36 Rod 1/4 inch is valued for its extremely low coefficient of thermal expansion, making it an ideal material for maintaining precise dimensional stability. Its strength, reliability, and predictable performance under temperature fluctuations make it a desirable choice for advanced projects. From aerospace components to sensitive measuring instruments, this rod delivers consistent results and increased versatility.

1. Aerospace and Defence Applications

·         Satellite Structural Supports: Invar 36 Rod 1/4 inch helps minimise deformation in frames exposed to temperature extremes in orbit.

·         Precision Missile Guidance Housings: The low thermal expansion ensures accurate alignment of crucial guidance components.

2. Industrial Machinery and Tools

·         High-Accuracy Moulds: This rod maintains consistent dimensions, allowing for repeatable manufacturing outcomes in high-volume processes.

·         Dimensionally Stable Positioning Arms: Ideal for fixtures that require minimal temperature-induced shifts during critical tooling operations.

3. Precision Instrumentation

·         Laser Measurement Devices: Invar 36 Rod 1/4 inch provides the stability needed for reliable beam alignment.

·         Sensitive Gauge Fixtures: Ensures minimal distortion, preserving calibration integrity throughout varying environmental conditions.

Invar 36 Rod 1/4 inch Packaging

Each Invar 36 Rod (1/4 inch) is carefully encased in protective foam or moulded plastic inserts to ensure it remains undamaged during transit. A vacuum packaging process is applied to minimise exposure to moisture and dust. To combat corrosion, specialised coatings are available upon request. Additionally, the packaging can be fully customised with branding, labels, and reinforced enclosures for unique shipping or storage needs.

Packaging: Vacuum sealed, Wooden Box, or Customised.

Invar 36 Rod 1/4 inch FAQs

Q1: What are the key material properties of Invar 36 Rod 1/4 inch?

A1: Invar 36, also referred to as Fe-Ni36 or Nilo 36, is renowned for its exceptionally low coefficient of thermal expansion, making it ideal for applications requiring dimensional stability across a broad temperature range. With a typical composition of 36% nickel and the balance iron, this alloy exhibits excellent toughness, moderate strength, and good machinability. Its 1/4-inch rod format ensures consistent geometry and precision for tight-tolerance parts.

Q2: How can this Invar 36 Rod 1/4 inch be processed or fabricated?

A2: Invar 36 Rod 1/4 inch can be processed using conventional machining methods such as turning, milling, and drilling, though slightly lower tool speeds and moderate feed rates are recommended to minimise work hardening. Welding is feasible with appropriate preheating and the use of compatible filler metals. Heat treatment, typically including stress relief after machining, helps preserve dimensional stability and reduces internal stresses.

Q3: Which quality standards and certifications apply to Invar 36 Rod 1/4 inch?

A3: Invar 36 Rod 1/4 inch commonly meets standards such as ASTM F1684, which specifies requirements for iron-nickel alloys with low expansion properties. Many suppliers also adhere to ASME and AMS specifications to guarantee uniform composition and mechanical properties. Manufacturers frequently maintain ISO 9001 certification to ensure consistent quality control, traceability, and compliance with end-user demands. Material test reports (MTRs) are generally provided to verify chemical and mechanical characteristics.

Related Information

1. Applications in Advanced Industries

This Invar 36 Rod with a diameter of 1/4 inch is frequently employed in advanced manufacturing environments that demand exceptional dimensional integrity. Its unique ability to maintain precise measurements across a wide temperature range makes it an ideal component in laser systems, precision optics, and scientific instrumentation. By mitigating fluctuations caused by thermal expansion, the Invar 36 grade offers a high degree of stability, thereby reducing errors and ensuring consistent performance in these operations.

Advanced aerospace programmes also incorporate this 1/4 inch Invar 36 Rod for components that must withstand extreme temperature variations without compromising accuracy. Its low coefficient of expansion helps maintain tight tolerances in satellite structures, cryogenic systems, and engine hardware. The resulting reliability contributes to more efficient space missions and increased confidence in the machinery that depends on this alloy's thermal consistency.

2. Quality Control Measures

Quality inspections for Invar 36 Rods include ultrasonic testing, dimensional verification, and chemical analysis to confirm the precise composition of iron and nickel. This rigorous process helps detect any internal flaws or inconsistencies that could compromise the rod’s structural integrity. These examinations are vital to guaranteeing that the 1/4 inch diameter remains within the tight tolerances needed for applications in sophisticated fields such as aerospace and metrology.

Strict dimensional checks are performed at multiple stages throughout production to ensure each rod meets exact specifications for straightness and uniformity. By maintaining these elevated standards, manufacturers reinforce the rod’s reliability and optimise its distinctive low thermal expansion properties. The outcome is a consistently stable Invar 36 Rod that aligns with stringent requirements in environments where precision is paramount.