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ISO 9351:2025

Galvanic anodes for cathodic protection in seawater and saline sediments
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ISO 9351:2025

Galvanic anodes for cathodic protection in seawater and saline sediments

PUBLISH DATE 2025
ISO 9351:2025

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.

SDO ISO: International Organization for Standardization
Document Number ISO 9351
Publication Date Jan. 1, 2025
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 156
Publish Date Document Id Type View
Jan. 1, 2025 ISO 9351:2025 Revision