Specifications
Brand Name :
HUONA
Model Number :
WIRE
Certification :
ISO9001 SGS
Place of Origin :
CHINA
MOQ :
1KG
Price :
negotiable
Payment Terms :
T/T
Supply Ability :
100,000 pieces / week
Delivery Time :
a week
Packaging Details :
negotiable
Thermal Expansion (20–100°C) :
~1.0–1.5 × 10⁻⁶ /°C
Density :
8.1 g/cm³
Resistivity :
0.78 μΩ·m
Tensile Strength :
≥ 450 MPa
Magnetic Properties :
Soft magnetic, stable under thermal cycling
Diameter :
0.02 mm – 3.0 mm
Description

4J36 Invar Wire for Thermostatic Applications | Fe-Ni Alloy Wire with Controlled Thermal Expansion

Product Overview

4J36 alloy wire, commonly known as Invar 36 wire, is a precision Fe-Ni alloy with an extremely low coefficient of thermal expansion (CTE). It contains approximately 36% nickel and is widely used in applications requiring dimensional stability across temperature changes, such as precision instruments, aerospace components, and electronic devices.


Material Composition

  • Nickel (Ni): ~36%

  • Iron (Fe): Balance

  • Others: Trace amounts of Mn, Si, C, etc.

Thermal Expansion (20–100°C): ~1.0–1.5 × 10⁻⁶ /°C
Density: ~8.1 g/cm³
Resistivity: ~0.78 μΩ·m
Tensile Strength: ≥ 450 MPa
Magnetic Properties: Soft magnetic, stable under thermal cycling


Available Sizes

  • Diameter: 0.02 mm – 3.0 mm

  • Length: coil, spool, or cut-to-length as needed

  • Surface: Bright, smooth, oxide-free

  • Condition: Annealed or cold drawn

  • Custom dimensions accepted


Key Features

  • Extremely low thermal expansion

  • Excellent dimensional stability

  • Easy to weld and process

  • High purity and oxidation resistance

  • Vacuum compatible for sealed applications

  • Custom packaging available


Applications

  • Aerospace and satellite components

  • Bimetallic thermostats and precision instruments

  • Optical mounts and sensor elements

  • Electronic device sealing and packaging

  • Laser and infrared systems

  • Measuring tools and calibration equipment


Packaging & Shipping

  • Vacuum packaging, spools, or anti-rust film

  • Air, sea, or express delivery available

  • Lead time: 7–15 working days


4J36 Invar Wire For Thermostatic Applications Fe-Ni Alloy Wire With Controlled Thermal Expansion
4J36 Invar Wire For Thermostatic Applications Fe-Ni Alloy Wire With Controlled Thermal Expansion
4J36 Invar Wire For Thermostatic Applications Fe-Ni Alloy Wire With Controlled Thermal Expansion
4J36 Invar Wire For Thermostatic Applications Fe-Ni Alloy Wire With Controlled Thermal Expansion

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4J36 Invar Wire For Thermostatic Applications Fe-Ni Alloy Wire With Controlled Thermal Expansion

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Brand Name :
HUONA
Model Number :
WIRE
Certification :
ISO9001 SGS
Place of Origin :
CHINA
MOQ :
1KG
Price :
negotiable
Contact Supplier
4J36 Invar Wire For Thermostatic Applications Fe-Ni Alloy Wire With Controlled Thermal Expansion

Huona (Shanghai) New Material Co., Ltd.

Verified Supplier
1 Years
shanghai, shanghai
Since 2008
Business Type :
Manufacturer, Exporter
Total Annual :
8000000-100000000
Employee Number :
100~120
Certification Level :
Verified Supplier
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