Baoji Ruihenghua Titanium Metal Composite New Materials Co., Ltd. is one of the leading manufacturers and suppliers of ti clad copper busbar in China. If you're going to buy customized ti clad copper busbar made in China, welcome to get more information from our factory. For price consultation, contact us.
Ti Clad Copper Busbar
● Functional Positioning: The core busbar for high current convergence and long-distance transmission in the electrolysis system, undertaking the power distribution and transmission from the rectified power supply to the electrolysis cell array, and the cell-side convergence function, adapting to the layout of the workshop's main busbar and cell-side busbar.
● Composite Structure: inner layer T2/C11000 high-purity copper core + outer layer TA1/TA2 industrial pure titanium full coating, bimetallic performance synergy, taking into account both high conductivity and strong corrosion protection.
● Composite Process: Explosive bonding + hot rolling diffusion bonding process, metallurgical grade atomic bonding, bonding strength ≥135MPa, no delamination during long-term operation under high current, and stable contact resistance without increase.
● Conductivity: The copper core has a conductivity of ≥98% IACS, with no additional contact resistance at the interface. It has low voltage drop and low loss during long-distance transmission, making it suitable for power distribution applications with high currents ranging from thousands to tens of thousands of amperes.
● Corrosion Resistance: The entire busbar is sealed with a titanium layer, which is resistant to corrosion from sulfuric acid, chloride ions, alkaline electrolytes and acid mist in the workshop. Its service life is 8-10 times that of ordinary pure copper busbars.
● Brand: RHHT i.
● Place Of Origin: Baoji, Shaanxi, China's Titanium Valley.
Product Introduction
Titanium clad copper busbars, also known as titanium-copper composite busbars or main busbars on the side of electrolytic cells, are core bimetallic composite conductive components in electrolysis systems that handle the transmission and distribution of large currents from the rectified power supply to the cell array. They possess both high current-carrying capacity and strong corrosion resistance. The product employs a highly conductive pure copper core and a corrosion-resistant pure titanium outer layer, fully encapsulated through a metallurgical-grade atomic bonding process achieved via explosive bonding and hot-rolling diffusion.
Installed as the main current-carrying busbar at the edge of electrolytic cells and in workshop power distribution channels, this product is exposed to acid mist, electrolyte splashes, and corrosive atmospheres for extended periods. Unlike traditional pure copper busbars, which suffer from rapid corrosion and wear, high maintenance frequency, and easy electrolyte contamination, and pure titanium busbars, which suffer from high resistivity and high energy consumption, titanium-clad copper busbars offer stable resistance and low voltage drop under high current and long-distance operation, significantly extending service life and effectively reducing line voltage drop and overall electricity costs. It is widely used in hydrometallurgical electrowinning, chlor-alkali electrolysis, electrolytic copper foil production, alkaline water electrolysis for hydrogen production, and impressed current cathodic protection, among other engineering applications .
Product Parameter
Implement International Standards System
● Product standards: GB/T 12769-2025 "Titanium-copper composite rod", GB/T 5585.1-2018 "Copper busbars for electrical engineering - Part 1: Hard copper busbars", ASTM B898 "Standard specification for titanium-clad composites".
● Substrate standards: ASTM B265 "Standard Specification for Titanium and Titanium Alloy Plates", ASTM B152 "Standard Specification for Copper and Copper Alloy Rolled Plates and Bars".
● Testing and acceptance standards: GB/T 5121 Chemical analysis methods for copper and copper alloys, GB/T 4698 Chemical analysis methods for titanium and titanium alloys, and ultrasonic non-destructive testing standards for bonding rate.
● Environmental compliance standards: Complies with the EU RoHS 2.0 directive, and meets standards for harmful heavy metals such as lead, cadmium, and mercury.
● Applicable operating conditions: Suitable for non-ferrous metal electrowinning in sulfuric acid systems, chlor-alkali electrolysis, copper sulfate electrolysis of copper foil, alkaline water electrolysis for hydrogen production, seawater cathodic protection, etc.; Not suitable for extreme corrosion conditions such as high temperature and high concentration of fluoride ions, strong oxidizing molten salts, etc.
Standard Materials And Structural Parameters
|
Parameter Categories |
Optional Specifications |
Illustrate |
|
Inner core conductive substrate |
T2 High Purity Copper / ASTM C11000 Copper |
Conductivity ≥98% IACS, extremely low loss during long-distance, high-current transmission. |
|
Outer anti-corrosion coating |
TA1 Industrial Pure Titanium / TA2 Industrial Pure Titanium |
Choose TA2 for normal working conditions, and TA1 for high-cleanliness and high-precision scenarios. |
|
Titanium coating thickness |
0.8mm – 5.0mm |
Customization is available based on corrosion intensity and expected service life. |
|
Mainstream cross-sectional specifications |
Flat trays: 40×10mm – 250×120mm; Square trays: 30×30mm – 150×150mm |
Flat busbars are the mainstream form of busbars, offering better heat dissipation and parallel installation capabilities. |
|
Single length range |
≤10000mm |
Supports multi-segment splicing to achieve ultra-long distance busbar layout |
|
End connection structure |
Planar butt joint bevel, pre-fabricated bolt holes, expansion joint interface, titanium-copper transition joint |
It can meet the needs of on-site welding, bolted connection, and flexible connection transition. |
|
Surface condition of the supplied goods |
Rolled state, pickled and passivated state, machined matte state |
Surface finish and anti-corrosion treatment can be customized as needed. |
Product Features and Applications
Product Advantages
Metallurgical-grade composite interface for long-distance, low-loss transmission: The atomic-level metallurgical bonding of titanium and copper is achieved through explosive bonding and hot rolling diffusion processes. The interface is gapless and has no additional contact resistance, which significantly reduces conductivity loss compared to mechanical coating and bolt splicing solutions. Under long-distance power distribution conditions, the line voltage drop and temperature rise are small, and the overall power saving rate can reach 10%-15%, significantly reducing power transmission and distribution losses in electrolytic production.
Full titanium layer sealed protection, corrosion resistance and long service life under all working conditions: The entire busbar is fully covered with titanium layer, and the butt welds are sealed with titanium material, which completely isolates corrosive media such as acid mist and electrolyte splash from contacting the copper core. Its corrosion resistance is 8-10 times that of traditional pure copper busbars; it greatly reduces the frequency of downtime for grinding, replacement and maintenance, improves the continuous operation capability of the electrolysis production line, and has significant advantages in overall cost throughout the entire life cycle.
Multi-row parallel expansion to carry ultra-high current loads: It supports single-row large cross-section of up to 250×120mm, and can also achieve ultra-high current transmission of tens of thousands of amperes through the parallel combination of multiple busbars, which is suitable for the high load power distribution needs of large electrolysis workshops and high-power rectifier systems; the parallel arrangement adopts a special bus connector to achieve equal current distribution and avoid local overheating caused by bias current.
Thermal expansion compensation design, no stress damage during long-term operation: It can be matched with a titanium-copper composite expansion joint of the same material, which can accurately absorb the thermal expansion and contraction deformation caused by temperature changes, and avoid the busbar from loosening, deformation and cracking due to thermal stress; the conductivity of the expansion joint is consistent with that of the busbar, and the compensation amount can be customized according to the deployment length to ensure the stable operation of long-distance busbar systems.
Modular splicing layout, convenient and efficient installation: The finished product is prefabricated with docking structure and installation hole positions as needed, supporting two splicing methods: on-site bolt fastening or argon arc welding, without the need for complex secondary processing; it can be equipped with accessories such as insulating support bases and fixing clamps, which greatly shortens the on-site installation cycle and is suitable for new production lines and old line renovation scenarios.
No impurities are released, ensuring clean production quality: The titanium layer is chemically stable and does not react in various corrosive environments, nor does it release copper ions. This prevents contamination of the electrolyte system and avoids copper rust dust from polluting the workshop environment. It also ensures the purity and grade of products such as electrolytic copper, electrolytic nickel, and cathode copper foil, meeting the clean production requirements of high-end hydrometallurgical processes.
Application Areas
Hydrometallurgical industry: Electrode plates are directly suspended from the conductive beams of the anode and cathode of the electrowinning and electrolytic refining cells for non-ferrous metals such as copper, zinc, nickel, and cobalt.
Chlor-alkali chemical industry: main power distribution busbar of ion-exchange membrane caustic soda unit, anode busbar of sodium hypochlorite production system, resistant to chlorine gas and chloride ion corrosion, and suitable for high current continuous operation.
Electrolytic copper foil industry: Main busbars in the foil production workshop and power distribution busbars at the tank side of the unit ensure uniform and stable current and improve the consistency of copper foil thickness.
Electrolysis hydrogen production industry: Electrolyzer array busbar, rectifier system high current transmission busbar, adapted to the high load conditions of large-scale green hydrogen projects.
Cathodic protection engineering: main power supply busbars for impressed current cathodic protection systems for large storage tanks, long-distance pipelines, and marine steel structures.
Environmental water treatment industry: centralized power supply bus for electrocatalytic oxidation wastewater treatment and heavy metal recovery electrolysis devices.
Production line upgrade and transformation: replacing corroded and aging pure copper busbars and high-loss steel and aluminum busbars, achieving cost reduction and efficiency improvement without changing the main layout.
Product Details
Bonding Quality
100% ultrasonic testing of interface bonding rate, effective bonding area ≥98%, no continuous delamination or bubble defects.
01
Machining Accuracy
Butt hole position deviation ≤ ±0.5mm, welding bevel angle tolerance ±1°, end face flatness ≤ 0.1mm.
02
Weld Quality
The titanium welds are made using pure argon arc welding, and 100% penetrant testing shows no porosity or cracks. They are then treated with anti-corrosion sealing.
03
Geometric Accuracy
Flatness ≤ 0.3 mm/m, straightness ≤ 1.0 mm/m, cross-sectional dimension tolerance ± 0.3 mm.
04
Surface Protection
The titanium layer is passivated, making it resistant to electrolyte and acid mist corrosion, and it is not prone to oxide film thickening during long-term use.
05
Product Supporting Documents
Authoritative International Qualification Certificates
Original material certificates for titanium and copper materials, special test reports on the bonding strength, conductivity and dimensional accuracy of titanium-copper composite materials, and original material certificates of EN 10204 3.1 for each batch.
ISO 9001 Quality Management System Certification, ISO 14001 Environmental Management System Certification.
Third-party specialized test reports on chemical composition, mechanical properties, corrosion resistance, and bonding strength.
The RoHS environmental compliance test report meets the environmental protection requirements of the chemical, metallurgical, and new energy industries.
thoughtful service
Packaging Standards (For Export By Sea)
Each single-row unit is wrapped with a PE protective film, and a hard protective sleeve is added to the end. The connecting surface is covered with a protective film to prevent scratches, and long poles are supported and fixed with multiple points of wooden blocks.
The entire batch is packed into fumigated solid wood export crates, with pearl cotton filling inside for cushioning and isolation, to prevent bending, deformation, movement and collision during transportation.
The wooden crates are labeled with the product model, dimensions, quantity, gross weight, and moisture-proof/lifting/pressure-proof markings, suitable for all scenarios including sea, land, and air transport.
Professional Consultation Q&A
Q1: What are the differences between copper-clad busbars and titanium-clad copper conductive beams, and in what locations are they used respectively?
A1: The core difference lies in their function and installation location: Titanium-clad copper busbars primarily handle the long-distance transmission and centralized distribution of high currents, installed at the edge of the electrolytic cell, in the rectifier room, or in the workshop's power distribution channels, serving as the main power distribution channel from the power source to the cell. Titanium-clad copper conductive beams mainly handle electrode suspension and conduction within the cell, installed at the top/inside of the electrolytic cell to directly suspend the anode and cathode plates. Together, they form a complete electrolytic conductivity system, which can be selected according to the overall project layout.
Q2: In the acid mist environment of the workshop, will the busbar connection bolts corrode?
A2: We provide titanium fastening bolts and insulation kits, which are made of the same material as the outer layer of the titanium-clad copper busbar, to avoid corrosion from contact with dissimilar metals; at the same time, the connection surfaces can be sealed to effectively resist acid mist and moisture erosion, ensuring long-term stable contact resistance at the connection points and significantly reducing the amount of daily maintenance and polishing work.
Q3: Can titanium-clad copper busbars be connected to pure copper busbars and copper flexible connectors?
A3: Absolutely. Custom-made titanium-copper transition connectors are available. One end is a titanium composite structure welded/bolted to the titanium-clad copper busbar, while the other end is a pure copper structure connected to the pure copper busbar and copper flexible connector. This achieves a low-resistance, reliable connection between different materials, while avoiding galvanic corrosion issues caused by dissimilar metal contact, ensuring long-term stable operation of the connection point.
Latest company news
The dedicated production line for titanium-copper composite busbars has been upgraded, and its annual production capacity of coated conductive busbars has exceeded 800 tons.
Based in Baoji, Shaanxi, known as China's Titanium Valley, Baoji Ruihenghua Titanium Metal Composite New Materials Co., Ltd. recently completed the capacity expansion and intelligent upgrade of its titanium-copper composite busbar production line in response to the rapidly growing market demand from the global hydrometallurgy, chlor-alkali chemical, and electrolytic hydrogen production industries.
Leveraging a complete production chain from ingot smelting, forging, rolling to vacuum heat treatment, the upgraded production line is equipped with a brand-new large-scale precision rolling mill, CNC machining center, and fully automated ultrasonic testing equipment. It can achieve standardized mass production of titanium-clad copper busbars with a maximum cross-section of 250×120mm and a single length of up to 10 meters. Production efficiency for standard specifications has increased by 35%, and the delivery cycle for standard batch orders has been shortened to 12 days. Products are manufactured in strict accordance with domestic and international standards such as GB/T 12769 and ASTM B898, and a comprehensive quality traceability system covering incoming inspection, composite processing, finished product testing, and outgoing delivery has been established. This production line upgrade further strengthens the company's supply capacity of high-end electrolytic conductive components, providing a stable product guarantee for global electrolytic engineering projects.
A technological breakthrough has been achieved in the full-surface titanium cladding process, with a titanium-copper busbar interface bonding rate of 99%.
Addressing industry pain points such as localized coating defects and insufficient bonding strength commonly found in traditional titanium-copper busbar products, the company's R&D team has made significant progress in optimizing the explosive bonding + hot rolling diffusion bonding process.
The optimized full-surface coating process achieves a 360° seamless encapsulation of the copper core by the titanium layer, with uniform titanium coating thickness and tolerance controlled within ±0.1mm. The interfacial metallurgical bonding rate exceeds 99%, and the shear strength can reach up to 260MPa. This effectively solves problems such as edge leakage, coating peeling, and interlayer liquid flow under highly corrosive electrolysis conditions. Compared with conventional products, the product's service life is increased by more than 20% in high-chlorine and high-acid electrolysis environments. It has been successfully applied in high-end scenarios such as electrolytic copper foil production, ion-exchange membrane chlor-alkali production, and alkaline water electrolysis for hydrogen production, providing a more reliable conductive solution for high-end electrolysis engineering projects.
The global customization service for titanium-copper busbars has been fully upgraded, and a comprehensive technical support system has been officially launched.
Leveraging its independent import and export qualifications, the company has comprehensively upgraded its global customized service system for titanium-copper composite busbar products, creating a one-stop service system covering pre-sales condition assessment, solution design, in-sales production follow-up, and after-sales installation guidance.
For clients in industries such as hydrometallurgy, chlor-alkali chemicals, and new energy hydrogen production, the company provides professional value-added services including current carrying capacity calculation, busbar layout design, titanium layer thickness selection, and thermal expansion compensation solutions. The company collaborates with several internationally renowned logistics carriers, offering diversified delivery options such as sea freight, air freight, and China-Europe freight trains. Each batch of products comes with an original manufacturer's material certificate conforming to EN 10204 3.1, and bulk orders support testing by third-party organizations such as SGS and BV. Professional engineers provide 24/7 online technical support, committed to becoming a trusted long-term partner for global electrolysis industry clients, providing integrated solutions from composite material R&D to finished product application.
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