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Flame Spraying
Jun 04, 2018

BenefitsApplication & materialsProcess details

· Flame spraying is a thermal spray coating process that produces high quality surface coatings using heat, from the combustion of a fuel gas with oxygen, to melt a spray coating material which is propelled onto a substrate.

· Flame spraying offers a cost effective alternative for applying metallic and ceramic coatings in a less demanding environment.

· The utilisation of the flame spraying surface treatment allows the spraying of a wide variety of metallic or ceramic coatings on to a large range of component materials where good wear resistance and excellent impact resistance are required.

· As the surface technology specialists in flame spraying, Bodycote provides an array of thermal spray coating materials to suit your specific needs. Backed by a customer-driven service, our facilities process a wide variety of component sizes to exacting standards with reliable, repeatable results.


There are particular reasons why flame spraying may be used:

· Component geometry or the working environment requires manual thermal spraying, offering the easiest working conditions;

· Large & complex areas (structures);

· The required thermal spray coating performance is achieved with flame spraying; and

· Cost effective

Application & materials

· Flame spraying is widely used where a cost effective thermal spray coating is desired and a lower quality can be tolerated. The majority of components are sprayed manually.

· Corrosion protection; structures and components

· Reclamation worn shafts, particularly of bearing areas with materials such as stainless steel or bronze alloys

· The surface coatings produced are porous and lubricants can be absorbed into the coating, enhancing performance of the bearing.

Aluminium, zinc, stainless steel, bronze, low carbon steel, nickel-based materials, molybdenum.

Process details

· Flame spraying uses the heat from the combustion of a fuel gas, usually acetylene or propane with oxygen, to melt the spray coating material. In this process a consumable, usually a powder or wire, is heated and propelled onto a substrate to form a surface coating.


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