Welcome to Diffusion Alloys...

We have been supplying diffusion coating services for over fifty years. In 1955, Diffusion Alloys was the first company in the world to launch chromising as a commercial industrial diffusion coating process.

We offer a wide range of coating capabilities to protect against metal degradation including our DALoy™ coating family of aluminising, chromising and chrome aluminising, our harDAL™ boronising process, complete range of DALcote™ thermal spray coatings and DALtek™ CVD coatings; protecting across a broad range of industries including turbomachinery, upstream & downstream petrochemical and general industrial.

We provide protection against forms of metal degradation including high temperature corrosion, metal dusting, sulfidation, wear, abrasion and oxidation.

We also provide a wide range of complementary services such as vacuum heat treatment, chemical stripping, shot peening, FPI and technical services in-house.

For more information on our capabilities, please browse through our Technologies, download our Case Studies and Factsheets or Contact us directly.