Metal Dusting Protection: Diffusion Alloys's Aluminised Tubes in Action Across Different Industries
We treat our customer’s specific processing conditions in confidence but we recognise that those new to aluminising for metal dusting protection require some reference information.
Below is a sample list of application areas where Diffusion Alloys has aluminised tubes and components for metal dusting protection and an indication of years of operation without need for replacement.
Steam methane reforming
Material: stainless steel
Component: tubes
Lifespan: 5 years but only due to failure on the non-aluminised welded areas. Aluminised tubes replaced every 5 years for the customer.
Gas heated reformer – ammonia production
Material: High Nickel Alloy
Component: tubes
Lifespan: in one plant, aluminised tubes ran for 17 years in operation before the plant was shut down. In another similar plant, aluminised tubes have been in operation for 7 years.
Steam Reformer – ammonia production:
Material: 25/35 CrNiNb
Component: tubes
Lifespan: aluminised tubes in operation since late 2013.
Steam Reformers for direct reduction of iron ore:
Material: stainless steel
Component: tubes
Lifespan: 3 plants of similar design. Aluminised tubes have been in operation for 7 years, 6 years and 5 years respectively.
Syngas / HyCO production:
Material: High Nickel Alloy
Component: tubes
Lifespan: numerous plants in operation, with aluminised tubes in two plants having been in operation for over 10 years.
Methanol Plants:
Material: various materials from stainless steel to Alloy 696
Components: tubes
Lifespan: tubes in numerous plants around the world. The oldest aluminised tubes have now been in operation for more than 5 years.
Petroleum Refining:
Material: stainless steel
Components: tubes
Lifespan: tubes in numerous plants around the world. The oldest aluminised tubes have now been in operation for more than 10 years.
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
Nuclear
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.
© Diffusion Alloys