Titanium Anode Tube

Updated : May. 21, 2026

Titanium anode tubes are high-performance electrochemical electrodes widely used in electrolysis, water treatment, electroplating, and cathodic protection systems. Made from industrially pure titanium with an MMO (mixed metal oxide) coating, they deliver stable current, long service life, and low maintenance under challenging conditions such as seawater, high chloride concentrations, and continuous operation.

The tubular design ensures uniform current distribution and high reaction efficiency, making them ideal for large-scale systems, pipelines, storage tanks, marine structures, and industrial projects. Chalco Titanium offers titanium anode tubes in various sizes and coating types, supporting customized solutions to meet specific project requirements.

Coating Systems for Titanium Anode Tubes

The performance of titanium anode tubes mainly depends on their surface coating system; different coatings are suitable for different electrochemical reaction environments and operating conditions.

MMO coating (general purpose)

It adopts a mixed metal oxide coating, which has excellent corrosion resistance and stable electrochemical activity, and is suitable for water treatment, electrolysis and cathodic protection.
Ruthenium-Iridium (chlorine environments)

With RuO₂ / IrO₂ as the main components, it is suitable for chlor-alkali production, seawater electrolysis and high chloride ion environments, and has good chlorine evolution performance and high durability.
Platinum coating ( high stability)

With a platinum-plated surface, it exhibits excellent electrical conductivity and electrochemical stability, making it suitable for precision electrolysis and processes requiring high stability.

Product Forms of Titanium Anode Tube

Chalcotitanium titanium anode tubes can be designed in various structural forms to suit different installation methods and engineering application requirements, thus adapting to different electrochemical systems and cathodic protection projects:

Standard Tubular Anode

With a straight pipe structure design, it is suitable for water treatment, electrolysis systems and general cathodic protection applications, and features stable structure, easy installation and uniform current distribution.
Perforated Tubular Anode

By setting a uniform pore structure on the tube surface, the electrolytic contact area can be increased, the current utilization efficiency can be improved, and it is suitable for high-efficiency electrochemical reaction systems.
Deep Well Tubular Anode

Used in deep well cathodic protection systems, suitable for large pipeline networks and underground projects, it can achieve long-distance current output and wide-area protection.
Customized Tubular Anode

It supports integrated design of flange connections, threaded interfaces and electrode assemblies, and can be customized according to system structure, making it suitable for complex engineering installation environments.

Specifications of Titanium Anode Tube

Base Material: Industrial pure titanium TA1 / TA2 (Grade 1 / Grade 2)

Coating types: MMO (RuO₂ / IrO₂), Pt, etc.

Coating Thickness: 5–15 μm (customizable depending on the application environment)

Outer diameter range: Customization supported (common range Φ10–Φ100 mm)

Wall thickness: 0.9–3.0 mm (designed according to structural requirements)

Operating voltage: typically 1.2–2.5 V (depending on the electrolysis system)

Current density: 50–500 A/m² (designed according to electrolysis or cathodic protection conditions)

Design Life: 5–20 years (or ≥10,000–20,000 ampere-hours, depending on operating conditions)

Operating Temperature: 20–60°C (adjustable according to operating conditions)

Connection methods: Flange connection / Threaded connection / Cable connection

Specific parameters can be matched and designed according to the project conditions (medium, current density and design life). You are welcome to submit project parameters to obtain matching solutions and quick quotes.

Performance advantages of titanium anode tubes

Made with Grade 1/Grade 2 titanium substrate conforming to ASTM B338 standards, it possesses good mechanical strength and corrosion resistance.
Supports multiple coating systems (MMO, Pt, etc.) and can be matched and designed according to different media conditions.
The tubular structure enables uniform current distribution and improves the efficiency of electrochemical reactions.
Minimal dimensional changes and stable operating resistance throughout the design lifespan.
Under appropriate design conditions, operating and maintenance costs can be reduced by approximately 15%–30%.
Supports various cable materials (PVDF, HMWPE, XLPE, etc.) and connection methods.
Service life can be designed according to current density and environment, typically ranging from 5 to 20 years.

Application areas of titanium anode tubes

Titanium anode tubes are widely used in electrolysis, water treatment, electroplating and cathodic protection, and can provide stable current output and effectively improve system operating efficiency in different electrochemical environments.

Electrolysis & water treatment

For high-chlorine environments like NaOCl generators and wastewater electrolysis. Titanium anode tubes resist corrosion, ensure stable chlorine evolution, and support long-term operation.

MMO or Ru-Ir coatings recommended; Chalcotitanium provides matching specs and solutions.

Electroplating industry

Suitable for electroplating tanks and continuous electroplating production lines, titanium anode tubes help achieve uniform current distribution and improve coating quality.

MMO or Pt coatings can be selected depending on the electroplating process, and customization of size and structure is supported.

Electrolysis and Chlorine Production System

Suitable for chlor-alkali production and industrial electrolysis equipment, it can operate stably even under high current density and highly corrosive environments.

A Ru-Ir coating system is recommended to improve chlorine evolution efficiency and durability.

Electrolysis and Chlorine Production System

Cathodic protection system (ICCP)

Used in corrosion protection projects for pipelines, storage tanks, and marine structures, titanium anode tubes can provide stable protective current. MMO or Ir-Ta coatings can be selected based on soil, freshwater, or seawater environments, supporting project selection and customization.

Technical Specifications and Performance Reference (Technical Data – MMO as Example)

The following parameters are based on typical application conditions for MMO-coated titanium anode tubes and are for reference only. Actual parameters will be designed and matched according to the coating system, current density, and operating conditions.

Typical dimensions and output current (freshwater/soil)

Anode diameter	Llength	Current output	Design life
19 mm	1200 mm	7A	20 years
25 mm	1000 mm	8A	20 years
25 mm	1500 mm	12A	20 years
32 mm	1200 mm	12A	20 years

Seawater environmental parameters

Anode diameter	Length	Current output
19 mm	1200 mm	43A
25 mm	1000 mm	47A
25 mm	1500 mm	71A
32 mm	1200 mm	72A
Note: Current output capability is significantly improved in seawater environments, depending on the electrolytic medium and system design conditions.

Current density reference under different media

Electrolytes	Maximum current density (A/m²)	Life expectancy
Carbonaceous backfill soil	50	20 years
Coke and petroleum coke	100	20 years
freshwater	100	20 years
seawater	600	20 years
mud	100–300	20 years

Performance curve description

The following are typical performance curves of Chalco titanium anode tubes under different media environments, which can be used as a reference for product selection and operating condition matching .

Technical Specifications and Performance Reference

Production customization and quality control

Chalco titanium possesses integrated production and customization capabilities from titanium tube processing to finished anode products, and can provide matching anode structures and coating solutions according to different working conditions:

Tubular structure forms: straight tube/perforated tube, to meet different current distribution and reaction requirements.

Custom sizes: Anode diameter and length can be customized according to engineering design requirements.

Connection methods: Supports flange connection, threaded interface and cable connection

Coating matching: Optimize the coating system according to different media environments such as seawater, soil, and acid/alkali.

Electrode assembly integration: Supports modular anode design, suitable for complex system installations.

To ensure product quality and stable electrochemical performance, Chalco titanium offers a range of tests and quality verifications tailored to customer needs , and supports the output of test reports:

Testing items	Test content	Reference Standard	Quality Assurance
Material composition	Chemical composition analysis of titanium substrate	ASTM E120	Ensure material purity and consistency
Coating performance	Current output and lifespan test	NACE TM0108	Verify electrochemical stability
Coating quality	Coating thickness and adhesion testing	ASTM B487 / ASTM D3359	Ensure the coating is uniform and adheres firmly.
Dimensional accuracy	Outer diameter, length and tolerance inspection	ISO / Internal Standards	Ensure installation compatibility
Electrical performance	Voltage, resistance and conductivity tests	Internal Testing Specifications	Ensure stable current output

Titanium Tube Anode Selection Guide

When selecting titanium anode tubes, it is recommended to match the following key factors in conjunction with the specific operating conditions:

Application types: Electrolysis, water treatment, electroplating, or cathodic protection systems

Working medium: seawater, soil, fresh water, or acid/alkali solutions (determines coating selection)

Current density: Determine the anode size and quantity based on the system design current requirements.

Design life: Different life targets correspond to different coating thicknesses and structural designs.

Structural matching: Select straight pipe, perforated pipe, or modular form according to the installation method.

When selecting titanium tube anodes , a comprehensive approach based on specific operating conditions is necessary to achieve the optimal balance between performance and cost. Chalco titanium offers anode selection and current design support to assist in project matching.

Chocotitanium titanium anode tubes

Mature coating application experience: A stable foundation of project applications in the fields of electrolysis, water treatment, and cathodic protection.

Integrated manufacturing system: full-process control from titanium substrate to finished anode to ensure consistent quality.

Engineering-based selection support: Matching solutions can be provided based on current density, dielectric environment, and lifespan requirements.

Rapid delivery capability: Supports global supply to meet project lifecycle requirements.

Ordering and Inquiry

Chalcotitanium offers titanium anode tube solutions for electrolysis, water treatment, and cathodic protection systems, with customization options available to meet specific project requirements. Please provide your project parameters to obtain the appropriate titanium anode tube selection and quote.

Chalco can provide you the most comprehensive inventory of titanium products and can also supply you customized products. Precise quotation will be provided within 24 hours.

Get a quote