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Brand Name : HUONA
Model Number : WIRE
Certification : ISO9001 SGS
Place of Origin : CHINA
MOQ : 1KG
Price : US$12.00-45.00
Payment Terms : T/T
Supply Ability : 1000kg Per Week
Delivery Time : WEEK
Packaging Details : 1500tons/Year
Model NO. : 4j36
Transport Package : DIN Spool, Carton, Wooden Case
HS Code : 7505220000
Purity : Alloy
Origin : Jiangsu, China
Production Capacity : 1500tons/Year
36 Invar is a Nickel-Iron alloy with about 36% Nickel and the remainder being Iron. It is a low-expansion alloy known for its extremely low coefficient of thermal expansion (CTE), making it ideal for use in applications requiring high dimensional stability across temperature changes. Invar 36 maintains its size and shape even under significant temperature variations, making it essential in industries where precision is critical.
This alloy is widely used in the manufacturing of precision instruments, scientific apparatus, aerospace components, and high-performance machinery where temperature-induced expansion could cause inaccuracies or failure.
Nickel Content: 36%
Low Thermal Expansion: Approx. 1.2 × 10⁻⁶ /°C (low CTE)
High Dimensional Stability: Suitable for precise applications where size and shape need to be retained under temperature variations
Magnetic Properties: Ferromagnetic at room temperature
Excellent machinability: Can be easily formed, welded, and processed into various shapes and sizes
Corrosion Resistance: Resistant to corrosion in many environments, though it may require coatings for harsher conditions
High Strength: Provides strong mechanical properties for high-performance applications
Invar 36 is used in fields where thermal stability, precision and resistance to thermal expansion are critical, including in applications such as:
Industry | Application Examples |
---|---|
Aerospace | Aircraft components, satellite parts, precision tooling, and control systems |
Metrology & Calibration | Measurement instruments, precision gauges, and scientific equipment |
Optics | Telescope mirrors, optical instruments, and laser systems |
Electronics | Components for high-precision electronic systems, temperature-sensitive equipment |
Industrial Equipment | Machinery parts, structural components that need stable dimensions across temperature variations |
Automotive | High-precision parts in automotive electronics and engines |
Property | Value |
---|---|
Alloy Name | 36 Invar (Invar 36) |
Chemical Composition | Ni: 36%, Fe: Balance |
CTE (20–100°C) | ~1.2 × 10⁻⁶ /°C |
Density | ~8.1 g/cm³ |
Tensile Strength | 450–700 MPa (annealed) |
Yield Strength | ≥ 300 MPa |
Elongation | ≥ 20% |
Hardness | ~160 HV (annealed) |
Electrical Resistivity | ~0.60 μΩ·m |
Magnetic Properties | Ferromagnetic at room temperature |
Melting Range | ~1450°C |
Wire Diameter Range | 0.10 mm – 6.0 mm (custom sizes available) |
Surface Finish | Bright / Annealed / Oxidized |
Packaging | Spools, coils, or custom lengths |
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UNS K93600 Good Price 36 Invar Rod Iron-Nickel Feni Alloy Wire 4j36 Images |