- Materials
- Forms
- Reference Materials
-
Services
-
Services
-
-
Sectors
-
Supporting cutting edge research and development with advanced materials to your needs.
High performance materials for extreme conditions.
Innovative and lightweight materials with high mechanical properties and durability.
Materials used in chemical engineering from consumables to innovative solutions.
Advanced materials characterized by high electrical or insulation performance.
High quality materials for renewable energy.
Biocompatible and biodegradable materials to the highest standards.
High purity, biocompatible materials for high performance devices and applications.
High purity metals and alloys in various forms and crucibles suitable to your needs.
State of the art materials for the next generation of technologies.
High performance materials for extreme conditions.
Durable materials for corrosive environments.
Foils, disks or windows across a range of materials to facilitate your innovation.
Polymers, metal foils, and sustainable materials for your packaging needs.
Your requirements for unique products and attributes will be met across our 170,000+ product range and customization capabilities.
High-quality materials across branded products in various forms including rods, wires, and foils support space technology needs.
Highest quality materials to support your need for small-quantity specialist materials such as graphite and lithium compounds.
High purity materials to improve the reproducibility and reliability of your evaporation processes.
-
- Product Ranges
-
Resources
-
Find out our latest news.
Read our latest insights, and opinions.
Discover our Innovation Discovered podcasts on innovation, products, interesting topics, and more.
Find out how we've worked with our partners
Our latest updates on what we are doing, find out more.
Find out more about us and the great roles we have available for talented individuals. Find out more.
Take a look at our global distributors.
Explore our FAQ resource to help answer your key questions.
Gain a clearer picture of the language used in scientific study
-
- About Us
Cobalt Coil
Available Configurations
Properties common to all products in this list
| Thickness | Length |
|---|---|
| 0.05mm to 0.25mm | 0.5m to 20m |
Need custom configurations? Please contact us.
Health hazard/Hazardous to the ozone layer
Serious health hazard
Key Features
Cobalt Coil at 99.8% purity is a high-performance, corrosion-resistant cobalt foil in a continuous spooled format, combining excellent wear resistance, thermal stability, and ferromagnetic behavior with the consistent geometry that roll-to-roll processing and automated fabrication demand:
High Tensile Strength (Up to 1135 MPa) & Notable Work-Hardening Capability
With a tensile strength reaching 1135 MPa in the hard condition and notable work-hardening capability, Cobalt Coil retains mechanical strength at elevated temperatures better than many comparable metals — making it suitable for continuous production of components destined for high-friction or high-temperature service.
High Melting Point (1495 °C) for Thermally Demanding Continuous Processing
A melting point of 1495 °C gives Cobalt Coil the thermal stability required for components that must retain structural integrity under sustained thermal load — supporting its use as feedstock for wear-resistant coating production and superalloy component fabrication where the coil material is processed or operates at elevated temperatures.
Compatibility with Phosphidation for Direct Catalyst Fabrication on the Foil Surface
Cobalt's compatibility with phosphidation processes allows cobalt phosphide catalysts to be fabricated directly on the coil surface — enabling continuous production of catalyst substrate strips and bifunctional electrode stock for water electrolysis without a separate catalyst deposition or transfer step.
Continuous Coil Format for Automated Cutting & Forming
The coil format supports automated cutting and forming operations for catalyst substrate strips and electrode stock, providing the consistent geometry and uninterrupted length required for high-volume electrode manufacture and catalyst substrate production without the dimensional variation introduced by cut sheet handling.
Reproducible Strip for Electrode Architecture & Electrochemical Catalysis Research
In research, Cobalt Coil supports the development of novel electrode architectures and electrochemical catalysis systems across reproducible, uniform strip lengths — providing a consistent cobalt substrate for systematic investigation of catalytic surface modifications and electrode performance.
Industrial Applications
Cobalt Coil is used across water electrolysis, catalyst manufacturing, wear-resistant coating production, and superalloy component fabrication wherever a continuously processed, high-strength ferromagnetic metal strip is required:
- ✦ Bifunctional Electrode Manufacture for Water Electrolysis
- Used in the continuous manufacture of bifunctional electrodes for water electrolysis, where cobalt's compatibility with phosphidation enables direct fabrication of cobalt phosphide catalysts on the coil surface — supporting efficient hydrogen and oxygen evolution reactions in a single electrode strip produced at scale from continuous coil stock.
- ✦ Catalyst Substrate Production
- Applied as catalyst substrate strip in continuous catalyst production, where the coil format's consistent geometry and cobalt's phosphidation compatibility allow catalytic surfaces to be developed across the full coil length for high-volume electrochemical and chemical processing catalyst manufacture.
- ✦ Feedstock for Wear-Resistant Coating Fabrication
- Used as feedstock for wear-resistant coating fabrication, where cobalt's high tensile strength, work-hardening behavior, and thermal stability up to a 1495 °C melting point provide the mechanical and thermal performance required in coatings applied to components subject to high-friction or high-temperature service conditions.
- ✦ Superalloy Component Fabrication
- Used as feedstock material in superalloy component fabrication, where cobalt's established role in superalloy systems, combined with the coil format's processing consistency, supports continuous production of components for high-temperature aerospace and energy applications requiring strength retention at elevated service temperatures.
- ✦ Electrode Architecture & Electrochemical Catalysis Research
- Used in research to support the development of novel electrode architectures and electrochemical catalysis systems, where the coil format provides reproducible, uniform strip lengths for systematic investigation of catalytic surface modifications, electrode geometry effects, and water-splitting catalyst performance.
Material Properties
| Element | Value |
|---|---|
| Atomic number | 27 |
| Crystal structure | Hexagonal close packed |
| Electronic structure | Ar 3d⁷ 4s² |
| Valences shown | 2, 3 |
| Atomic weight( amu ) | 58.9332 |
| Thermal neutron absorption cross-section( Barns ) | 37.5 |
| Photo-electric work function( eV ) | 5 |
| Atomic radius - Goldschmidt( nm ) | 0.125 |
| Ionisation potential( No./eV ) | 2/ 17.06 |
| Ionisation potential( No./eV ) | 4/ 51.3 |
| Ionisation potential( No./eV ) | 3/ 33.5 |
| Ionisation potential( No./eV ) | 1/ 79.5 |
| Ionisation potential( No./eV ) | 1/ 79.5 |
| Ionisation potential( No./eV ) | 6/ 102 |
| Element | Value |
|---|---|
| Material condition | Hard |
| Material condition | Soft |
| Poisson's ratio | 0.32 |
| Poisson's ratio | 0.32 |
| Bulk modulus( GPa ) | 181.5 |
| Bulk modulus( GPa ) | 181.5 |
| Tensile modulus( GPa ) | 211 |
| Tensile modulus( GPa ) | 211 |
| Hardness - Vickers( kgf mm⁻² ) | 320 |
| Hardness - Vickers( kgf mm⁻² ) | 170 |
| Tensile strength( MPa ) | 1135 |
| Tensile strength( MPa ) | 760 |
| Yield strength( MPa ) | 345-485 |
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 6.34@20°C |
| Temperature coefficient( K⁻¹ ) | 0.0066@0-100°C |
| Thermal emf against Pt (cold 0C - hot 100C)( mV ) | -1.33 |
| Element | Value |
|---|---|
| Boiling point( C ) | 2870 |
| Density( gcm⁻³ ) | 8.9@20°C |
| Element | Value |
|---|---|
| Melting point( C ) | 1495 |
| Latent heat of evaporation( J g⁻¹ ) | 6490 |
| Latent heat of fusion( J g⁻¹ ) | 263 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 456@25°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 100@0-100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 12.5@0-100°C |
Tolerances
| Thickness | <0.01mm | ±25% |
|---|---|---|
| Thickness | 0.01mm - 0.05mm | ±15% |
| Thickness | >0.05mm | ±10% |
| Coil Width | <100mm | ±1mm |
| Coil Width | >=100mm | +2% / -1% |
| Length | +10% / -0% |