Intertek, with its state-of-the-art accredited laboratories and expert team, provides precise and rapid testing services within the scope of ASTM A780 testing. This standard covers damaged hot-dip galvanized coatings on hardware, structural shapes and other products manufactured before hot-dip galvanizing and after initial hot-dip galvanizing. describes methods that can be used to repair remaining uncoated areas.
The damage may be the result of welding or cutting (flame), in which case the coating is mainly damaged by combustion. This application can also be used to repair hot-dip galvanized coatings damaged by excessive rough handling during shipping or installation. Requirements for the renewal of uncoated areas remaining after initial hot dip galvanizing are contained in the applicable material specification.
This application describes the use of low melting point zinc alloy repair rods or powders made specifically for this purpose, the use of paints containing zinc dust, and the use of sprayed zinc (metallisation).
The scope of the repair will be limited to an area mutually agreed upon by the contracting parties. Similarly, the contracting parties will agree to the repair method to be used.
This specification applies to orders in inch-pound units (as A780) or SI units (as A780M). Inch-pound units and SI units are not necessarily exact equivalents. In the text of this specification and where appropriate, SI units are shown in parentheses. Each system will be used independently of the other, without combining values in any way.
This standard does not purport to address, if any, security issues associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and to determine the applicability of regulatory restrictions prior to use.
EUROLAB assists manufacturers with ASTM A780 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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