This International Standard deals with characteristic properties and gives test methods for coatings ob-tained by the spraying of zinc and aluminium and their alloys for the general purpose of corrosion protection.
It gives firstly the definition, classification and sym-bols for these coatings in relation to their thickness.
It then deals with the preparation of surfaces, appli-cation of coatings and their characteristic proper-ties: namely, thickness, appearance and adhesion.
Finally it gives test methods for checking these properties.
It does not deal with repairs to damaged metal areas.
This International Standard applies to thermal-sprayed metallic coatings for the protection of iron and steel against corrosion by applying zinc or alu-minium or their alloys to the surface to be protected.
It does not, in general, apply to coatings obtained by the application of metals other than zinc or alu-minium, although for other metals some of the pro-visions are valid and may be adopted by agreement between the interested parties.