Sacrificial Anodes

How sacrificial anodes work

Marine structures are predominantly made of steel. This makes them highly susceptible to corrosion. Seawater acts as an electrolyte, which causes a transfer of electrons from the steel structure through oxidation. If not dealt with, this process of gradual material reduction can degrade the structural integrity to the point of failure.

Besides coating, the standard protection method is the use of sacrificial anodes. These are made of a more active or less noble metal (usually zinc or aluminium). The sacrificial anodes are attached to the steel structure and since they oxidize more easily, they turn the structure itself into a cathode. The electrons leave the structure through the anodes which slowly dissolve. Applying this physics principle protects the steel structure against corrosion.

Contact us if you have a question or want to receive a quotation!


MME Group has decades of experience in applying sacrificial anodes to protect the following types of steel structures:

  • All seagoing vessels (hull, ballast tanks, seachests, thruster tunnels, rudders)
  • Offshore platforms
  • Offshore wind turbine foundations
  • Offshore pipelines
  • Wet infrastructure (docks, piers, locks, quay walls, jetties)

All zinc and aluminium anodes in our product range are produced in our fully owned ISO 9001 certified foundry located in Faversham (UK). With a distribution centre in the Rotterdam (The Netherlands) area, we can supply a large range of anodes from stock to almost any location in Europe in a matter of days.

Eric Bouman

Sales Manager Cathodic Protection & MGPS
+31 (0) 6 22 67 22 80

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