The AT-1 Aluminum Alloy Anode is a high-efficiency sacrificial anode developed for cathodic protection (CP) of marine and offshore steel structures. Manufactured from a specially formulated Al-Zn-In alloy, the AT-1 grade provides stable electrochemical performance, high current output, and uniform consumption in seawater environments.

AT-1 Aluminum Alloy Anode

$999,999,999.00

Quantity

Key Features

High Current Capacity (~2500 Ah/kg)

Lightweight and High Efficiency (≥ 85%)

Stable Electrochemical Potential (~ -1.10 V vs Ag/AgCl)

Uniform Dissolution and Anti-Passivation Properties

Long Service Life Compared to Zinc Anodes

Excellent Performance in Seawater Environments

Material Composition (Typical – AT-1 Alloy)

Element Content (%)

Aluminum (Al) Balance

Zinc (Zn) 4.0% – 6.0%

Indium (In) 0.015% – 0.035%

Silicon (Si) ≤ 0.10%

Iron (Fe) ≤ 0.09%

Copper (Cu) ≤ 0.01%

Others ≤ 0.02%

Types

Plate Aluminum Anodes

Bracelet Anodes (for pipelines)

Stand-off Aluminum Anodes

Streamlined (Hydrodynamic) Anodes

Weld-on / Bolt-on Anodes

Custom-designed anodes

Applications

Ship hulls and ballast tanks

Offshore platforms and subsea structures

Marine pipelines and risers

Harbor and coastal facilities

Seawater cooling systems

Floating production systems (FPSO, FSO)

Element	Content (%)
Aluminum (Al)	Balance
Zinc (Zn)	4.0% – 6.0%
Indium (In)	0.015% – 0.035%
Silicon (Si)	≤ 0.10%
Iron (Fe)	≤ 0.09%
Copper (Cu)	≤ 0.01%
Others	≤ 0.02%

AT-1 Aluminum Alloy Anode

Product Info