China Suppliers of Double-Layer Metal Composite Bar Material - Titanium, Zirconium, and More | Factory Direct
Product Performance & Specification Range
Baoji Special Steel Titanium Industry Co., Ltd. has been manufacturing metal composite material series products since 2001. After 25 years of dedicated development, we have established a complete and specialized metal composite material production line.
Reference Standard: GB/T 12769-2015
Substrate Materials
Copper T1, T2, Anaerobic Copper TU1 & TU2, Aluminum, etc.
Clad Materials
Titanium (Ti), Zirconium (Zr), Nickel (Ni), Tantalum (Tan), Stainless Steel (304, 316L), etc.
Clad Layer Thickness
Conventional: 1.0 ~ 2.5 mm
Cross-Section Shapes & Sizes (mm)
Rectangular: Width (20~150) × Thickness (6~30)
Circle: Φ 8~50
Square: 10~30
Wire: Φ 2.0~8.0
Circle: Φ 8~50
Square: 10~30
Wire: Φ 2.0~8.0
Custom Orders Welcome: Products can be customized according to customer requirements.
Product Display
Application Field Analysis
Double-layer metal clad bar material — mainly titanium clad copper — not only ensures superior conductivity but also provides strong surface corrosion resistance. It is widely used in highly corrosive conductive environments such as electrochemical processing, electroplating, electrolysis, hydrometallurgy, PCB manufacturing, electrochemical industry, water treatment, and ocean engineering.
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⚡ Electrochemistry and Corrosion Environment ElectrodeElectrolytic Industry:
· Cathode Roll: Used for producing electrolytic copper foil (a key raw material for lithium batteries and printed circuit boards). The titanium layer contacts the corrosive electrolyte, while the copper layer provides high conductivity and thermal conductivity — one of the most significant applications of titanium-coated copper today.
· Other Electrolytic Electrodes: Used in the chlor-alkali industry and hydrometallurgy as insoluble anodes or special cathodes, balancing conductivity and corrosion resistance.
· Cathodic Protection System: As an anode bed material for offshore platforms and pipelines. The titanium layer resists seawater corrosion; the copper layer enhances current distribution efficiency. -
💡 Special Conductive / Thermal Components· High-Performance Electronic Devices: Contacts, connectors, or heat dissipation substrates (e.g., power semiconductor modules) requiring high conductivity with local corrosion resistance. Some vacuum equipment requires components that are both conductive and corrosion-resistant.
· Welding and High-Temperature Tools: Resistance welding electrodes, electrical discharge machining electrodes, etc. Copper provides excellent conductivity, and the titanium layer prevents high-temperature oxidation or adhesion. -
🌊 Marine and Chemical Equipment· Ship and Seawater Systems: Seawater coolers, heat exchanger tubesheets, etc. The titanium layer resists seawater corrosion; the copper layer enhances heat conductivity and reduces costs compared to all-titanium solutions.
· Chemical Equipment: Reactor linings, agitators, and similar components used where both corrosion resistance and rapid heat conduction are required. -
⚡ New Energy and High Technology Fields· Hydrogen Fuel Cell: Bipolar plates or related components. The titanium layer resists the corrosive internal environment; the copper layer ensures high conductivity.
· Nuclear Industry: Some nuclear reactors require materials that are radiation-resistant, corrosion-resistant, and thermally conductive. -
🌟 Other Special Applications· Decoration and Architecture: Titanium surface for color and durability; copper interior for strength and weight reduction — suitable for high-end decoration or architectural components.
· Medical Equipment: Combines the biocompatibility of titanium and the antibacterial properties of copper, suitable for special medical devices or implantable equipment (requiring strict biocompatibility verification).
Double-Layer Metal Clad Bar Material — Conclusion
Double-layer metal composite materials are not merely a simple "1+1". Instead, through advanced composite technologies, they achieve functional integration and performance amplification — successfully resolving the key engineering challenge that a single metal cannot simultaneously meet the requirements of "surface corrosion resistance" and "high conductivity of the bulk". They are particularly suitable for high-end and demanding industrial environments.
Frequently Asked Questions (FAQ)
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What is double-layer metal clad bar material?Double-layer metal clad bar material is a composite product consisting of two different metals bonded together through advanced composite manufacturing technologies. The most common combination is titanium clad copper, where the titanium layer provides surface corrosion resistance and the copper layer ensures high electrical and thermal conductivity. This combination delivers performance that neither metal can achieve independently.
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What substrate and clad material combinations are available?The substrate materials include Copper (T1, T2), Anaerobic Copper (TU1, TU2), and Aluminum. The clad materials available include Titanium (Ti), Zirconium (Zr), Nickel (Ni), Tantalum (Tan), and Stainless Steel (304, 316L). Custom combinations can be arranged based on specific application requirements.
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What size and shape specifications are offered?We offer a wide range of cross-section shapes and sizes: Rectangular (width 20–150 mm × thickness 6–30 mm), Circular (Φ 8–50 mm), Square (10–30 mm), and Wire (Φ 2.0–8.0 mm). The clad material layer thickness is conventionally 1.0–2.5 mm. Custom specifications are also available upon request.
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What industries use titanium clad copper bar material?Titanium clad copper bar material is widely used across multiple industries including electrochemistry, electroplating, electrolysis, hydrometallurgy, PCB manufacturing, water treatment, marine engineering, hydrogen fuel cells, chemical equipment, nuclear industry, medical devices, and high-end architectural decoration.
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What quality standard does the product follow?Our double-layer metal composite bar materials are manufactured in accordance with the Chinese national standard GB/T 12769-2015. Baoji Special Steel Titanium Industry Co., Ltd. has been producing metal composite materials since 2001, with over 25 years of industry experience and a fully established specialized production line.
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Can products be customized to specific requirements?Yes. All products can be customized according to customer requirements, including material combinations, dimensions, cross-section shapes, and clad layer thickness. Our engineering team is available to assist with material selection and specification design to best suit your application needs.