BASTROL engineers high-performance sacrificial anodes that silently protect marine vessels, pipelines, offshore structures, and storage tanks from electrochemical corrosion — extending asset life by decades.
Sacrificial anodes exploit galvanic chemistry: a more active metal corrodes preferentially, channeling destructive electrochemical energy away from the structure you need to protect.
When two dissimilar metals are immersed in an electrolyte (seawater, soil, concrete), the less noble metal acts as an anode and oxidizes, protecting the more noble cathode.
BASTROL anodes are bolted, welded, or bonded directly to the protected structure, creating a reliable low-resistance electrical connection essential for current flow.
Metal ions migrate from the anode through the electrolyte to the structure surface, keeping it at a potential that suppresses anodic dissolution of the substrate.
As the anode is consumed, it is simply replaced — no downtime to the primary structure. BASTROL provides consumption monitoring and renewal programs to keep protection continuous.
Every environment demands a different electrochemical strategy. We manufacture three primary alloy families, each available in multiple geometries and attachment configurations.
The workhorse of seawater protection. High-purity zinc alloys deliver consistent driving voltage and are ideal for ships, docks, and offshore platforms in saline environments.
Superior capacity-to-weight ratio makes aluminum the preferred choice for offshore structures and subsea pipelines where buoyancy and service life are both critical.
High driving voltage makes magnesium essential for protection in high-resistivity soils, buried pipelines, water heaters, and reinforced concrete where zinc or aluminum lack sufficient output.
From the hull of a supertanker to the foundation of an offshore wind farm, BASTROL anodes are engineered and certified for your specific operating conditions.
Hull anodes, rudder anodes, propeller shaft anodes, and sea chest protection for commercial and naval fleets.
Subsea pipelines, risers, jacket structures, storage tanks, and wellhead protection in deepwater and tidal zones.
Piers, jetties, dolphins, sheet piling, and floating docks in tidal and brackish estuarine environments.
Potable water tanks, water heaters, cooling systems, and municipal pipelines protected from internal corrosion.
Monopile foundations, transition pieces, and inter-array cable protection for offshore renewable energy structures.
Bridge piers, reinforced concrete, substructures, and buried metallic elements in coastal and urban environments.
We don't just cast metal — we certify electrochemical performance against international standards and back every order with traceable quality documentation.
Every heat is spectrographically analyzed to ensure alloy composition meets or exceeds MIL, DNV, and ASTM standards before casting.
Capacitance, driving voltage, and consumption rate tested per EN 12496, NACE TM0190, and DNV RP-B401 protocols with full certificate of conformity.
Our in-house design team optimizes anode geometry and placement for your structure's surface area, electrolyte resistivity, and required protection period.
Regional inventory hubs and ship-direct capability ensure anodes reach dry-dock, yard, or offshore installation on schedule, worldwide.
Tell us about your structure, environment, and protection requirements. Our engineers will respond with a specification recommendation and quotation within 24 hours.
Our technical sales and engineering teams are available to assist with specification, sizing calculations, and delivery logistics for any project size.