Latest News

Diffusion Alloys, a Pioneer in Surface Protection and Performance-Enhancing Technologies

28 May 2024|

Acknowledging Market Challenges and Strategic Growth Johnson Matthey has acknowledged the slower pace of the hydrogen (H2) economy, a trend reflected across the industry. Despite these challenges, JM has set [...]

Diffusion Alloys becomes a member of the UK Hydrogen & Fuel Cell Association

18 September 2020|

Diffusion Alloys announces its membership of the UK Hydrogen & Fuel Cell Association (UKFHCA). The UKHFCA supports members in understanding and enhancing the prospects for hydrogen and fuel cells in [...]

DAL receives Bronze award from the Defence Employer Recognition Scheme

13 March 2019|

The ERS encourages employers to support defence by demonstrating and advocating support to defence and the armed forces community through various measures. In signing the Armed Forces Covenant, Diffusion Alloys [...]

We are at the forefront of applications for clean energy and the hydrogen industry.

Large-scale hydrogen generation

Hydrogen electrolysers (SOE)

Fuel cells (SOFC)

Energy storage


Other specialist life extension

With over 60 years of industry experience, we're a global specialist in the application of a range of protective coatings against metal degradation.

We have been supplying diffusion coating services for over 60 years. In 1955 the Company became the first company world-wide to launch chromising as a commercial industrial diffusion coating.


We have decades of experience in coatings for the industrial gas turbine market and the oil, gas and process industries and have developed a leading position in diffusion coating for clean technology applications.


We consider the Health & Safety of its employees, customers, visitors and the general public to be of prime importance. We take an ethical approach to our environmental responsibility & waste management.


We pride ourselves on consistently scoring as best coating supplier for quality with a number of our major and long term customers which is testimony to our quality management system.

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