TPT July 2009

C oating, P ickling & G alvanizing T echnology

G alvanizing – the hot-dip coating of steel or iron with zinc – is, above all, protective: against rust, corrosion, abrasion, contamination, wear, chemical agents, and much else besides. It also serves to enhance performance.

A tube designed to withstand stress and strain will deliver on that promise over a longer service life, trouble-free, if its coating has been wisely selected, properly formulated, and skillfully applied. For these requirements, there is no substitute for experience, commencing at the preliminary

 Lamborghini is benefiting from a technology that was originally developed for the nuclear industry (see page 100)

chemical cleaning stage. Acid pickling calls for a corrosive liquid bath in which the liquid flows rapidly relative to the metal and is held at a temperature of 180°F or higher. Processes of this kind are the business of professionals whose knowledge of materials, methods, and reagents is broad and deep.  IHWT Radyne containerised induction equipment (see page 102)

This section of Tube & Pipe Technology reviews equipment and products from coating specialists who know how to get maximum security from a paper- thin layer of protection.

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J uly 2009

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