Sustainable Aviation Fuel (SAF)

The aviation industry is undergoing one of the biggest transformations in its history. As governments, airlines and manufacturers work towards reducing carbon emissions, Sustainable Aviation Fuel (SAF) is becoming a key technology in helping achieve global Net Zero targets.

Although the methods used to produce Sustainable Aviation Fuel continue to evolve, one challenge remains consistent across every production route: protecting high-temperature process equipment from harsh operating conditions.

At Diffusion Alloys, we provide advanced diffusion coating technologies that help extend the service life of critical components operating within aggressive industrial environments. Our coatings improve resistance to oxidation, corrosion and wear, helping SAF producers reduce maintenance costs, minimise unplanned downtime and improve plant reliability.

Whether supporting new SAF facilities or extending the life of existing process equipment, our engineering expertise helps customers maximise performance in some of the world’s most demanding operating conditions.

Why Component Protection Matters

The production of Sustainable Aviation Fuel involves complex chemical processes carried out at elevated temperatures using highly specialised equipment. Components are often exposed to aggressive gases, fluctuating temperatures and corrosive operating environments that can significantly reduce service life if left unprotected.

Common challenges include:

• Hot corrosion
• Carburisation
• Sulphidation
• Thermal fatigue
• Erosion and abrasive wear
• Metal degradation

These mechanisms can lead to reduced efficiency, increased maintenance requirements and unexpected equipment failure, ultimately impacting production costs and plant availability.

Selecting the correct surface engineering solution is therefore essential to maintaining reliable long-term operation.

How Diffusion Coatings Improve Performance

Unlike conventional surface coatings that simply sit on top of a component, diffusion coatings form a metallurgical bond with the base material. This creates an integral protective layer capable of withstanding extreme temperatures and aggressive industrial environments.

The result is a highly durable surface that provides long-lasting protection without the risk of coating delamination often associated with traditional coating systems.

Benefits include:

• Improved resistance to high-temperature oxidation
• Enhanced protection against corrosive process environments
• Reduced metal degradation
• Increased component service life
• Improved plant reliability
• Reduced maintenance and replacement costs
• Lower whole-life operating costs

Our coatings are used across a wide range of industries where reliability, performance and component longevity are critical.

Supporting Sustainable Aviation Fuel Production

Diffusion coatings can be applied to many of the critical components used throughout Sustainable Aviation Fuel production, including:

• Reformer tubes
• Process pipework
• Heat exchangers
• Furnace components
• Reactor internals
• Catalyst support structures
• Burner assemblies
• Tube supports and hangers
• High-temperature vessels
• Transfer pipework

Every application presents its own engineering challenges. Our experienced technical team works closely with customers to recommend the most appropriate coating based on operating temperatures, process conditions and component materials.

Our Diffusion Coating Technologies

Diffusion Alloys offers a comprehensive range of specialist diffusion coating processes developed specifically for demanding industrial applications.

Aluminising

Provides outstanding resistance to high-temperature oxidation and corrosion while extending the service life of components operating in aggressive environments.

Chromising

Improves oxidation resistance and offers enhanced protection against sulphidation and other corrosive atmospheres encountered within industrial processing.

Boronising

Produces an extremely hard surface with exceptional wear resistance, making it suitable for applications involving abrasion and mechanical wear.

Specialist Diffusion Coatings

Our engineering team can recommend bespoke coating solutions for complex operating environments where standard surface treatments may not provide sufficient protection.

Why Choose Diffusion Alloys?

For more than six decades, Diffusion Alloys has been helping customers overcome the challenges associated with high-temperature industrial processing.

Our reputation has been built on technical expertise, engineering excellence and the ability to deliver proven coating solutions for some of the world’s most demanding applications.

Customers choose Diffusion Alloys because we offer:

• Over 60 years of diffusion coating experience
• Specialist expertise in high-temperature process industries
• Engineering-led technical support
• Proven coating technologies
• UK manufacturing with worldwide customer support
• Tailored solutions for complex industrial applications

As investment in Sustainable Aviation Fuel continues to accelerate worldwide, we remain committed to supporting equipment manufacturers and plant operators with advanced coating technologies that improve reliability, extend component life and contribute to more sustainable industrial processes.

Speak to Our Engineering Team

If you’re involved in the design, manufacture or operation of Sustainable Aviation Fuel production facilities, our engineering specialists can help identify the most appropriate diffusion coating solution for your application.

Whether you’re looking to improve oxidation resistance, reduce corrosion, extend component life or increase plant reliability, we’re here to help.

Contact Diffusion Alloys today to discuss how our advanced diffusion coating technologies can support your Sustainable Aviation Fuel production process.