Metal Polishing Engineers – a guide to processes

Metal Polishing Engineers – a guide to processes

Metal Polishing Engineers – a guide to processes

Metal Polishing Engineers offers a range of specialist services. These range from electropolishing, pickling, passivation, mechanical polishing, bead blasting, onsite cleaning and installation of handrails systems.

The company has over 30 years’ experience in stainless steel processing and finishing and here provides a guide to the processes and their uses.

First – Electropolishing. This is an electrochemical process similar to electroplating. It provides maximum corrosion resistance to stainless steel components and provides a bright and decorative appearance to the processed component. The metallurgical benefits are beneficial; the process leaves the material hygienically pure and highly corrosive resistant.

Second – Pickling. This is a surface treatment process to remove scaling, thermal oxides, impurities and surface contaminants. The process is carried out by immersion in a pickling solution for a calculated time, based on surface area and material specification.

Third – Passivation. This is a post fabrication/machining process to maximise the corrosion resistance of stainless steel material. It involves the dissolution of any surface iron compounds with an acid solution – most commonly nitric acid – which creates a spontaneous passive film on the surface of the stainless steel component.

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Stand D205