This document defines requirements and gives recommendations for the chemical composition, electrochemical properties, physical tolerances and test and inspection procedures for cast galvanic anodes of aluminium, magnesium and zinc-based alloys for cathodic protection in seawater, saline sediment and brackish water.Information on salinity ranges can be found in Annex A.The requirements and recommendations of this document can be applied to any available anode shape for cast anodes, e.g. trapezoid, circular, half-spherical cross sections, bracelet type.Whilst other metals, such as soft iron, can be used as galvanic anode material to protect more noble metals than iron and steel, these are not covered in this document.
This document defines requirements and gives recommendations for the chemical composition, electrochemical properties, physical tolerances and test and inspection procedures for cast galvanic anodes of aluminium, magnesium and zinc-based alloys for cathodic protection in seawater, saline sediment and brackish water.
Information on salinity ranges can be found in Annex A.
The requirements and recommendations of this document can be applied to any available anode shape for cast anodes, e.g. trapezoid, circular, half-spherical cross sections, bracelet type.
Whilst other metals, such as soft iron, can be used as galvanic anode material to protect more noble metals than iron and steel, these are not covered in this document.
Le présent document décrit des anodes galvaniques destinées à des applications dans l'eau de mer et les boues marines. Il donne les exigences et recommandations minimales concernant les tolérances physiques, les caractéristiques ou propriétés électrochimiques, les modes opératoires d'essai et les normes d'inspection relatives aux anodes galvaniques coulées en alliages d'aluminium, de magnésium et de zinc destinées à la protection cathodique ; elle ne traite pas les aspects liés à l'assurance qualité. Le présent document s'applique à la majorité des anodes galvaniques utilisées pour les applications dans l'eau de mer et les boues marines, c'est-à-dire des anodes coulées de section transversale trapézoïdale, (en D) ou circulaire et des anodes de type bracelet.
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