Iridium Wire | High Purity Iridium Wire Manufacturer & Supplier - Sunny Steel Industrial Pipe Product

Iridium Wire

High Purity Iridium Wire Manufacturer & Supplier

High-purity iridium wire featuring exceptional corrosion resistance, high-temperature strength and excellent dimensional stability for demanding industrial applications.

What is High Purity Iridium Wire?

Premium Iridium Wire for Thermocouples, Aerospace, Medical Devices, Semiconductor Processing and Scientific Research

Iridium wire is manufactured from high-purity iridium and is recognized for its exceptional melting point, excellent oxidation resistance and outstanding corrosion resistance. These characteristics make it one of the most reliable precious metal wires for continuous service in extremely high-temperature and chemically aggressive environments.

Iridium wire is widely used in thermocouple assemblies, spark plug electrodes, semiconductor equipment, medical devices, laboratory instruments and advanced scientific research. Compared with conventional noble metal wires, iridium provides superior mechanical strength and excellent dimensional stability at elevated temperatures.

Sunny Steel supplies precision iridium wire in a wide range of diameters with custom cutting, straightening, annealing and precision fabrication services according to customer specifications.

Key Features

Engineered for ultra-high temperature and corrosive environments.

  • High purity up to 99.99%
  • Excellent oxidation resistance
  • Outstanding corrosion resistance
  • High melting point (~2446°C)
  • Excellent high-temperature strength
  • Excellent dimensional stability
  • Precision diameter control
  • Smooth surface finish
  • Custom lengths available
  • Worldwide export support
Iridium Tubing
Available Sizes

Iridium Wire

Precision resistors and slide wire potentiometers utilise considerable quantities of iridium wire.

Item Specification
Material Pure Iridium
Purity 99.95% / 99.99%
Diameter 0.05 mm–5.00 mm
Length Coil or Straight Length
Surface Bright / Annealed
Tolerance According to Customer Requirements
Condition Soft / Hard

Typical Applications

Iridium wire is widely used in demanding applications requiring exceptional heat resistance, corrosion resistance and long-term dimensional stability.

Thermocouples

Iridium wire is widely used in high-temperature thermocouples and temperature sensors operating under oxidizing or inert atmospheres where long-term measurement accuracy is required.


Aerospace Spark Plugs

Fine iridium wire is commonly used as the center electrode material in aerospace and high-performance spark plugs because of its excellent erosion resistance and extremely high melting point.


Semiconductor Equipment

Iridium wire is suitable for semiconductor processing equipment requiring high-purity materials, stable electrical performance and excellent oxidation resistance.


Medical Devices

Used in implantable medical devices, stimulation electrodes, precision sensors and other biomedical applications where reliable electrical performance and corrosion resistance are essential.


Scientific Research

Applied in laboratory instruments, high-temperature experiments, advanced materials research and precision analytical equipment.


Electrochemical Applications

Used for precision electrodes, electrochemical cells and corrosion-resistant electrical components operating in aggressive chemical environments.


Catalyst & Chemical Processing

Iridium wire is used in catalyst supports, specialty chemical equipment and high-temperature processing systems requiring long service life.


Custom Industrial Components

Manufactured into heating elements, electrical contacts, precision pins, probes and other custom-engineered components according to customer drawings.

Frequently Asked Questions
Iridium wire is a high-purity precious metal wire manufactured from pure iridium. It is widely used in thermocouples, aerospace spark plugs, semiconductor equipment, medical devices, laboratory instruments and other high-temperature applications.
Standard purity grades include 99.95% and 99.99%. Higher purity grades can be manufactured upon request for semiconductor, optical and scientific applications.
Sunny Steel supplies iridium wire in diameters ranging from 0.05 mm to 5.00 mm. Custom diameters are available according to customer requirements.
Yes. Iridium wire is available in continuous coils, cut lengths and precision straightened lengths depending on the application.
Yes. Both annealed (soft) and hard-drawn iridium wire are available to meet different forming and mechanical performance requirements.
Iridium has a melting point of approximately 2446°C, making it one of the highest melting precious metals used in industrial applications.
Iridium wire offers excellent oxidation resistance, outstanding mechanical strength and superior dimensional stability at elevated temperatures, making it suitable for continuous service in extreme conditions.
Yes. Iridium wire is widely used in high-temperature thermocouple assemblies where reliable temperature measurement and long service life are required.
Yes. Fine iridium wire is commonly used in aerospace and high-performance spark plugs because of its exceptional erosion resistance and high melting point.
Yes. Iridium wire can be joined using laser welding, electron beam welding and TIG welding under carefully controlled conditions.
Yes. Iridium wire can be cut, bent, formed and precision machined using appropriate manufacturing techniques depending on the wire diameter and application.
Yes. Iridium is one of the most corrosion-resistant metallic elements and performs exceptionally well in oxidizing, acidic and chemically aggressive environments.
Yes. High-purity iridium wire is used in semiconductor processing equipment where low contamination and excellent thermal stability are required.
Yes. Iridium wire is used in implantable electrodes, stimulation devices, biosensors and other precision medical applications requiring corrosion resistance and long-term reliability.
Yes. Custom diameters, tolerances and lengths can be manufactured according to customer drawings and technical specifications.
Iridium wire is available with bright, polished and annealed surface finishes depending on customer requirements.
Each batch is inspected for chemical composition, wire diameter, surface quality, straightness and dimensional accuracy before shipment.
Yes. Third-party inspection by SGS, BV, TÜV and other internationally recognized organizations is available upon request.
Iridium wire is carefully wound on spools or supplied in straight lengths with protective packaging to prevent deformation, contamination and mechanical damage during transportation.
Yes. Due to the high value of iridium, production scrap and used wire can be recycled and refined to recover the precious metal.
Iridium wire offers a higher melting point, greater hardness and superior wear resistance, while platinum wire provides better ductility and is easier to form and weld.
Iridium wire is widely used in aerospace, semiconductor manufacturing, electronics, medical technology, scientific research, analytical instruments and chemical processing industries.
Yes. Sunny Steel provides OEM manufacturing services for precision wire components, electrodes, probes, heating elements and custom fabricated assemblies according to customer drawings.
Material certificates, chemical composition reports, dimensional inspection reports and other quality documents can be supplied upon request.
Sunny Steel offers high-purity iridium materials, precision wire manufacturing, custom fabrication, strict quality control, worldwide export experience and responsive technical support for demanding industrial applications.
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