Precision 3J53 Iron Nickel Alloy / Invar 36 Alloy With Low Thermal Expansion

3J53 Alloy (Invar 36) offers extremely low thermal expansion, making it ideal for precision applications requiring high dimensional stability.

• Nickel (Ni): 36%
• Iron (Fe): Balance
• Trace elements: Typically includes small amounts of carbon, manganese, silicon, and other elements

• Thermal Expansion: Exceptionally low coefficient of thermal expansion (CTE), approximately 1.2 × 10⁻⁶ /°C (1.2 µm/m/°C) at room temperature
• Mechanical Strength: Good tensile strength and hardness, sufficient for applications where low thermal expansion is primary
• Thermal Conductivity: Moderate thermal conductivity for heat transfer control
• Magnetic Properties: Low magnetic permeability for minimal magnetic interference

• Precision Instruments: Scientific instruments, measurement devices, telescopes, coordinate measuring machines
• Aerospace Components: Aircraft and satellite components requiring thermal stability
• Engineering and Manufacturing: High-precision mechanical components, molds, and tools
• Electronics: Devices and systems where thermal expansion could affect performance

• Machinability: Generally good, may require specialized tooling for desired finishes
• Weldability: Can be welded with appropriate techniques and filler materials

3J53 Alloy is produced in accordance with industry standards (ASTM, ISO) ensuring consistent quality and performance.

• Storage: Dry, clean environment to avoid corrosion
• Safety: Follow standard procedures when handling and machining

3J53 Alloy (Invar 36) is a high-precision material valued for its minimal thermal expansion. Its applications span various high-tech industries where stability and accuracy are paramount, making it a preferred choice for demanding applications.