Brazing is a key process for joining aluminum alloys, providing strong, lightweight, and corrosion-resistant components. It is widely used in automotive cooling, new energy battery systems, and industrial heat exchangers, with methods like vacuum and nitrogen brazing ensuring versatile application.
Chalco offers a full range of aluminum brazing materials and products, including base metals, composite panels, fins, welded tubes, microchannel tubes, and brazing wires. Backed by advanced brazing technology, we deliver integrated solutions to meet diverse industry needs. Welcome contact
Chalco aluminum brazing product range
Chalco brazing base material
Brazing base materials are the core of aluminum alloy brazing products, including popular alloys like 3003, 3005, 5005, 3004, and 1100. We supply various forms such as sheets, foils, coils, and rods to meet diverse production needs. All materials are produced with strict alloy control and advanced processes, ensuring excellent brazing compatibility, strength, and corrosion resistance. They reliably support brazing methods like vacuum and Nocolok brazing, ensuring strong joints and lasting structures.Quick Quote
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4032 aluminum sheet coil block bar
Low coefficient of thermal expansion, excellent wear and corrosion resistance, and high temperature strength.
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4043 brazing aluminum sheet foil coil strip
Good fluidity and less susceptibility to welding hot cracks; often used in welding wires for aluminum silicon alloys.
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4343 brazing aluminum sheet coil block bar
Outstanding brazing, corrosion resistance, excellent thermal conductivity, suitable for high temperatures.
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4004 brazing aluminum sheet foil coil strip
Used as the coating layer, often rolled together with 3003 aluminum to form composite materials.
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4045 brazing aluminum sheet foil coil strip
Excellent welding performance and is often used as cladding layer for composite plates and composite fins.
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4047 brazing aluminum sheet foil coil strip
Used as welding filler wire and fusion welding material; widely used in automobiles, air conditioning...
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4A11 brazing aluminum sheet coil block bar
Malleability, castability, low coefficient of thermal expansion, good thermal strength and wear resistance.
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4A13 brazing aluminum sheet foil coil strip
Commonly used as a hard solder for sheet and strip materials, and for the brazing layer of radiator.
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4A17 brazing aluminum sheet foil coil strip
Good brazing performance and a lower melting point. Used for welding radiators and brazing layers.
With a rich variety of alloys and product types, our brazing base materials are widely used in key fields such as automotive radiators, air conditioning condensers, new energy power battery cooling modules, and industrial heat exchangers, helping customers achieve high efficiency, energy savings, and stable performance.
As a professional supplier of aluminum alloy brazing base materials, we are committed not only to continuous product quality improvement but also to providing comprehensive technical support and flexible customization services to meet the personalized needs of our clients. Our production capacity and quality management system ensure the consistent delivery of every batch, helping customers enhance their product competitiveness and market performance. Feel free to contact us for inquiries.
Chalco clad aluminum brazing welding material
Chalco Clad Aluminum Brazing Welding Material is specially designed for high-performance brazing applications, combining a corrosion-resistant aluminum cladding with a strong core alloy. This material ensures excellent brazing compatibility, mechanical strength, and durability, making it ideal for manufacturing heat exchangers, radiators, and other critical cooling components. Through advanced production techniques, Chalco delivers consistent quality clad materials that enhance joint reliability and overall product longevity. Quick Quote
- Core materials are generally composed of aluminum manganese 3 series aluminum alloy, which plays the role of intensity support and heat dissipation.
- The cladding layer is composed of aluminum-silicon 4000 series alloy 4343, 4045, 4047 or other aluminum alloy, which plays a role in welding or improving the performance of the overall material.
4045/3003/4045
4045/3003/7072
4045/3A11/4045
4045/7A11/7072
4045/6951/4045
Thickness: 0.05mm-6mm Width: 5mm -2200mm
Clad aluminum brazing sheet
For automotive radiators, air conditioners, other heat exchangers...
Clad aluminum brazing coil
Suitable for automotive air conditioners, refrigerator condensers...
Clad aluminum brazing foil
Used in battery, electronic device cooling, and aerospace applications...
Chalco brazing wire & auxiliaries
Chalco's hot-selling brazing consumables—including welding wires and auxiliary materials—offer reliable performance and broad compatibility across aluminum brazing applications. Made from high-quality alloys such as 4045, 4343, and 4047, they ensure strong, corrosion-resistant joints.
Suitable for various brazing methods including vacuum brazing and Nocolok brazing, these consumables support consistent quality and efficient production in automotive radiators, air conditioners, and other heat exchange systems. Quick Quote
Aluminum filler rod for TIG
Aluminum welding wire for TIG & MIG
4043 4047 Aluminium Welding Wire Rod
ER5183 ER5356 Aluminum Welding Wire Rod
5556 5556A Aluminum Welding Wire Rod
4643 Aluminum Welding Wire Rod
4943 Aluminum Welding Wire Rod
Self-brazing aluminum solder
Production capacity of Chalco aluminum brazing welding material
Chalco integrates alloy production, forming, processing, and finishing to deliver a full-spectrum solution for aluminum brazing materials. Our one-stop manufacturing system ensures stable quality, efficient lead times, and strong traceability across every stage of production. With seamless alignment between raw materials and structural component design, we help customers optimize performance, reduce assembly complexity, and improve reliability.
- Chalco maintains large-scale production lines for aluminum brazing materials, covering billets, clad sheets, tubes, wires, and structural parts with stable annual output and rapid delivery capacity.
- Our manufacturing system integrates extrusion, rolling, drawing, annealing, brazing, and surface treatment, ensuring full-process support for both standard and customized brazing products.
- In addition to base materials, we offer brazed structural components such as high-frequency welded tubes, micro-channel profiles, cold plate blanks, and custom-formed assemblies.
Solutions & Applications for aluminum brazing materials
Chalco's aluminum brazing materials and components are widely used in thermal management and lightweight systems across automotive, electronics, power, and industrial sectors, offering reliable performance under demanding conditions.
The brazing aluminum sheet foil coil strip are widely used in automotive heat exchange systems, such as engine radiators, engine oil radiator, medium refrigerator, air -conditioning condenser and evaporator etc.
Aluminum brazing material for automotive thermal managment
Automotive applications rely heavily on aluminum brazing materials for efficient heat exchange and thermal management, covering both traditional and electric vehicle systems.
Typical Components: Radiators, intercoolers, oil coolers, HVAC modules, EV battery cold plates.
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Chalco's supplied products for this sector
Brazing clad sheets & strips
Micro-channel tubes
HF welded tubes
Battery cold plate blanks
Auxiliary brazing materials
Aluminum brazing material for power electronics cooling
Reliable heat dissipation for high-performance electronics such as IGBTs and inverters requires highly consistent and thermally efficient brazed components.
Typical Components: Liquid cold plates, inverter housings, electronic heat sinks, rectifier modules.
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Chalco's supplied products for this sector
Aluminum brazing material for industrial HVAC & chillers
Industrial cooling systems demand corrosion-resistant, durable materials for long-term performance in HVAC and refrigeration environments.
Typical Components: Plate heat exchangers, condenser tubes, chillers, HVAC evaporator cores.
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Chalco's supplied products for this sector
Brazing clad strips
HF welded tubes
Pre-treated Brazing Tubes (Degreased, Flux-coated...)
Aluminum brazing material for renewable energy systems
Effective thermal control is essential in solar inverters, wind power electronics, and energy storage, where compact heat exchange is critical.
Typical Components: Heat sinks, inverter cold plates, power module housings, battery enclosures.
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Chalco's supplied products for this sector
Aluminum brazing material for aerospace & rail transit
Aluminum brazing components support lightweight, high-efficiency thermal systems in aerospace and railway applications under strict safety standards.
Typical Components: Compact heat exchangers, electronic cooling modules, structural housings.
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Chalco's supplied products for this sector
High-strength clad aluminum sheets
Vacuum-brazed assemblies
Choose Chalco as the aluminum brazing welding material supplier
We have more than 30 years of experience in supplying clad aluminum brazing material, self-brazing Aluminum solder and aluminum soldering paste powder for brazed heat exchangers, intercoolers, air conditioner condensers and evaporators etc. and today we have Rolled aluminum for appliances and other niche markets to become a global player.
We have a complete set of domestic advanced aluminum brazing materials research and development, testing and analysis instruments, which guarantees the efficiency of new product research and development and accelerates the transformation of scientific and technological achievements. In addition, our R&D & innovation and validation capabilities can help enhance our customers' competitiveness by saving time and costs in new product development and marketing.
We have passed the IATF16949 certification required by the automotive industry, the AS9100 certification required by the aviation industry, and the DNV BV LR ABS RINA CCS certification required by the shipbuilding industry etc.
The Chalco brand stands for quality, delivery and a strong reputation. With leading technology and globally competitive products, we can continue to develop together with our customers in the future.
Chalco can provide you the most comprehensive inventory of aluminum products and can also supply you customized products. Precise quotation will be provided within 24 hours.
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