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<p>ISO 12944-4:2017 covers the following types of surfaces of steel structures consisting of carbon or low-alloy steel, and their preparation:</p>
<p>- uncoated surfaces;</p>
<p>- surfaces thermally sprayed with zinc, aluminium or their alloys;</p>
<p>- hot-dip-galvanized surfaces;</p>
<p>- zinc-electroplated surfaces;</p>
<p>- sherardized surfaces;</p>
<p>- surfaces painted with prefabrication primer;</p>
<p>- other painted surfaces.</p>
<p>ISO 12944-4:2017 defines a number of surface preparation grades but does not specify any requirements for the condition of the substrate prior to surface preparation.</p>
<p>Highly polished surfaces and work-hardened surfaces are not covered by ISO 12944-4:2017.</p>
Reģistrācijas numurs (WIID)
64836
Darbības sfēra
<p>ISO 12944-4:2017 covers the following types of surfaces of steel structures consisting of carbon or low-alloy steel, and their preparation:</p>
<p>- uncoated surfaces;</p>
<p>- surfaces thermally sprayed with zinc, aluminium or their alloys;</p>
<p>- hot-dip-galvanized surfaces;</p>
<p>- zinc-electroplated surfaces;</p>
<p>- sherardized surfaces;</p>
<p>- surfaces painted with prefabrication primer;</p>
<p>- other painted surfaces.</p>
<p>ISO 12944-4:2017 defines a number of surface preparation grades but does not specify any requirements for the condition of the substrate prior to surface preparation.</p>
<p>Highly polished surfaces and work-hardened surfaces are not covered by ISO 12944-4:2017.</p>
