galvanizing

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    For enquiries regarding marketing or press matters, please use the following contacts:

    Marketing

    The Coatinc Company Holding GmbH
    Hüttenstraße 45
    57223 Kreuztal

    Your contact person:
    Anna-Maria Prax
    am.prax@coatinc.com

    Press

    The Coatinc Company Holding GmbH
    Steinstraße 5
    57072 Siegen, Germany
    Phone: +49 271 43478
    Fax: +49 271 46869

    Your contact person:
    Petra Böhmer
    p.boehmer@coatinc.com

    Holding

    Headquarter
    The Coatinc Company Holding GmbH

    Carolinenglückstraße 6-10
    44793 Bochum, Germany
    Phone: +49 234 52905-0
    Fax: +49 234 52905-15

    Decorative finish

    The finish suitable for decorative requirements is the one which is most often chosen. It provides a mixture of both aesthetics and corrosion protection. A finish of this standard fundamentally fulfils all industrial standards for finishes. While the industrial standard only removes and rounds off the side effects directly caused by hot-galvanising, such as paint drips or zinc nibs, the surface in total here is processed much more than just required by the standard.

    The decorative finish clears the surface of roughness, in particular traces of hard zinc and drips. This improved surface smoothness can only be carried out on areas which can be easily reached by machines. If the materials generally require an increased coating thickness, the possibility of polishing and achieving a ‘smooth’ surface is limited. In this case separate agreements should be made between the client and supplier and finishing can only be carried out at cost. Work carried out for decorative finishing may only effect the surface in such a way that the valid DIN EN ISO 1461 is still fulfilled. As finishing involves mechanical treatment, the minimum thickness of zinc coating required by DIN EN 1461 cannot be guaranteed.

    The following requirements must be fulfilled to provide a finish according to the displayed standard:

    • All edges must be broken and filed.
    • The components may not contain reactive steels (see worksheets on hot-dip-galvanizing).
    • Ways of hanging the items should already be planned in construction – at points which can either be well polished or which cannot be seen.
    • The components should be free of rolling defects and other surface errors. If these should occur more frequently than normal (1 fault per square decimetre) special agreements must be made.

    The following must be adhered to for decorative finishing:

    • Complete polishing of the surfaces and removal of all nibs and drips where possible by machine or in the construction.
    • Levelling out of points without zinc coating.
    • Smoothing of zinc nips and hanging points.
    • Removal and levelling of material faults.

    The extruding welding seam is not removed.

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