Anopol - Electropolishing and Chemical Surface Treatments

Category: Special Finishes

  1. More Than Just Scratching the Surface - A Practical Approach to Surface Finish

    This article describes the practical issues surrounding the definition of surface finishes on stainless steel. It provides guidance on how to agree a suitable surface finish between the end user and supplier. The author has many years of experience in this field.

  2. Paint coating stainless steels

    The combination of surface preparation and formulation of the paint system are key factors in the successful paint coating (painting) of stainless steels. Surface preparation and coating (primer and top coat) application and systems are discussed.

  3. Specifying bead and shot blasted stainless steel finishes and their applications

    Bead and shot-blasted finishes produced by the impact of a hard, inert medium onto the steel surface result in non-directional, uniform matt surfaces with low reflectivity. Blast media include glass, ceramic or lead bead, silicon carbide, aluminium oxide, stainless steel shot and ground quartz. A comparison of blasting and peening is made and the properties of bead blasted finishes briefly described. The steps involved in specifying bead blasted finishes for stainless steel are covered.

  4. Specifying coloured stainless steel finishes and their applications

    Although it is possible to colour fabricated components, colouring of stainless steel is normally restricted to sheet products. This article describes the specification and applications for chemically coloured stainless steel flat products. The sequence of colours formed as the film grows in thickness ranges through bronze, blue, black, charcoal, gold, red-violet and green. With care, intermediate colours are possible. A comparison with anodized, painted and oxidized surfaces is made. The steps involved in specifiying these 2L finishes to BSEN 10088-2 is outlined.

  5. Specifying patterned stainless steel finishes and their applications

    Patterned stainless steel finishes are usually taken as relief or three-dimensional effects formed by either texture rolling or pressing (embossing). Specifying these finishes as 1M (chequer or durbar plate) bright cold rolled 2M or non-reflective matt rolled 2F to BSEN 10088-2 is outlined. The importance of matching the finish on large cladding areas is noted.

  6. Surface Roughness and Electropolishing

    When it comes to comparing simple surface roughness Ra values, it is possible to make the wrong conclusions, particularly when comparing different types of surface. John Swain of Anopol explains how this can happen

  7. Terne coated finishes on stainless steels

    Terne coatings are hot dip lead-tin alloys on a stainless steel substrate strip. Alternatively electroplated tin coatings are allowed by EN 502 and EN 508-3. The strip thicknesses are usually between 0.4 and 0.8mm. The main application for terne and tin-coated strip is external cladding and roofing.

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