Product detail
Casing aluminum anode
Casing aluminum anode is listed within the Aluminum alloy sacrificial anodes range. Confirm the protected asset, environment, installation position and quantity before final selection.
- Product category
- Sacrificial anodes
- Product series
- Aluminum alloy sacrificial anodes
- Material or route
- Aluminum
- Parent family
- Aluminum alloy sacrificial anodes
- Protected structure and water conditions
- Anode form and connection method
- Dimensions, quantity and drawing
- Installation and maintenance constraints
What this listed product is
Casing aluminum anode is an individually listed product form in the Aluminum alloy sacrificial anodes range. It is presented for cathodic protection procurement and project discussion, with final configuration confirmed against the protected asset and project documents.
Series boundary
The series groups aluminum alloy anode forms. The correct structure and connection method depend on the protected asset and installation conditions.
Fields to confirm
The product form, dimensions, connection method and installation interface should be checked together. Casing aluminum anode should not be selected from a name alone when the protected structure, medium or installation position is not yet known.
- Product form
- Casing aluminum anode
- Product series
- Aluminum alloy sacrificial anodes
- Primary category
- Sacrificial anodes
- Project inputs
- Asset, medium, installation and quantity
Where to review this direction
- Vessels and ballast tanks
- Ports, wharves and offshore structures
- Seawater cooling systems and related assets
What to check before selection
- Confirm the structure, water or mud environment and the anode installation location.
- Match single-leg, double-leg, bolted, disc, bracelet or casing forms to the drawing.
- Provide dimensions, quantity, connection method and water conditions for a project review.
Casing anode dimensions
| Product type | Compatible casing size | Outer diameter/mm | Inner diameter/mm | Length/mm |
|---|---|---|---|---|
| Casing anode | Φ139.7 mm | Φ168 | Φ142.5 | 500 |
| Casing anode | Φ114.2 mm | Φ140 | Φ116 | 500 |
| Casing anode locking clamp | Φ139.7 mm | Φ168 | Φ142.5 | 120 |
| Casing anode locking clamp | Φ114.2 mm | Φ140 | Φ116 | 120 |
Appearance and quality requirements
- Anode castings must be free of gas pores and sand holes, with a silvery-white appearance and a smooth, clean surface.
- The anode inner diameter tolerance is ±0.05 mm.
- The locking force exceeds 3 tonnes per unit.
Electrochemical performance
| Type | Medium a | Open-circuit potential b V | Operating potential b V | Actual capacity A·h/kg | Current efficiency | Consumption rate kg/(A·a) | Dissolution behavior |
|---|---|---|---|---|---|---|---|
| Types 1, 3 and 5 | Seawater | ?1.18～?1.10 | ?1.12～?1.05 | ≥2500 | ≥85% | ≤3.50 | Uniform surface dissolution; corrosion products detach easily |
| Type 2 | Seawater | ?1.18～?1.10 | ?1.12～?1.05 | ≥2400 | ≥80% | ≤3.65 | |
| Type 4 | Seawater | ?1.18～?1.10 | ?1.12～?1.05 | ≥2600 | ≥90% | ≤3.37 | |
| Types 1, 4 and 5 | Sea mud | ?1.15～?1.05 | ?1.10～?1.00 | ≥2000 | ≥70% | ≤4.38 | |
| Type 4 | Diluted seawater | ?1.15～?1.05 | ?1.12～?1.05 | ≥2500 | ≥85% | ≤3.50 | |
| Type 4 | Seabed sand and gravel | ?1.15～?1.05 | ?1.05～?0.95 | ≥2000 | ≥70% | ≤4.38 |
a Use natural seawater or artificial seawater conforming to GB/T 17848. Sea mud is natural sea mud or a simulated electrolyte with a resistivity of 30–50 Ω·cm. Diluted seawater has a resistivity of 70–80 Ω·cm. Seabed sand and gravel has a particle size of 8–40 mm and a medium resistivity of 40 Ω·cm.
b The reference electrode is a saturated calomel electrode.
Chemical composition
| Type | Chemical composition, mass fraction/% | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Zn | In | Mg | Ti | Cd | Sn | Si | Cu | Fe | Al | |
| Type 1 Al-Zn-In | 2.50～5.75 | 0.015～0.040 | — | — | ≤0.002 | — | ≤0.12 | ≤0.003 | ≤0.09 | Balance |
| Type 2 Al-Zn-In-Si | 5.5～7.0 | 0.025～0.035 | — | — | — | — | 0.10～0.15 | ≤0.01 | ≤0.15 | Balance |
| Type 3 Al-Zn-In-Mg-Ti | 4.0～7.0 | 0.020～0.050 | 0.50～1.50 | 0.01～0.08 | — | — | ≤0.10 | ≤0.01 | ≤0.15 | Balance |
| Type 4 Al-Zn-In-Sn-Si-Ti | 4.0～6.0 | 0.015～0.030 | — | 0.005～0.030 | — | 0.005～0.020 | 0.05～0.40 | ≤0.003 | ≤0.07 | Balance |
| Type 5 Al-Zn-In-Si | 4.75～5.75 | 0.016～0.020 | — | — | ≤0.002 | — | 0.08～0.12 | ≤0.003 | ≤0.06 | Balance |
Continue within Aluminum alloy sacrificial anodes
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Aluminum alloy sacrificial anode is listed within the Aluminum alloy sacrificial anodes range. Confirm the protected asset, environment, installation position and quantity before final selection.
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Questions about Casing aluminum anode
What should be confirmed for Casing aluminum anode?
Please provide the protected asset, medium or soil conditions, installation position, quantity and any drawing or bill of materials available.
Can I start an inquiry without a final model number?
Yes. The protected asset, environment, installation conditions and quantity are enough to start a product-direction discussion.
Does this page replace project design?
No. This page explains the listed product form and the information needed for selection. Final specification and system configuration require project documents and technical review.
What is the fastest way to continue?
Use the inquiry link with the product context attached, or contact the sales hotline with the product name and available project information.
Need project-specific selection?
Continue with the known conditions.
Include the product name, protected asset, medium, quantity and installation conditions.