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Our Product
Brazing Filler Metal
Brazing filler metals are materials used in the brazing process, a metal-joining technique where two or more metal parts are bonded together by melting and flowing a filler metal into the joint. The key characteristics of brazing filler metals include:
Key Features:
Melting point: Brazing filler metals have a lower melting point than the base metals being joined—typically above 450°C (840°F) but below the melting point of the workpieces.
Capillary action: The molten filler metal flows into the joint by capillary action, creating a strong, sealed bond.
No melting of base metals: Unlike welding, the base metals are not melted, which helps maintain their original properties and shape.
Common Brazing Filler Metals:
- Silver-based alloys (e.g., silver-copper, silver-zinc)
- Copper-based alloys (e.g., copper-phosphorus, copper-zinc)
- Aluminum-based alloys
- Nickel-based alloys
- Gold-based alloys (used in high-tech or specialty applications)
Applications :
- HVAC systems
- Automotive components
- Aerospace parts
- Plumbing and refrigeration
- Electronics and precision instruments
Brazing is valued for producing strong, leak-proof joints, especially in complex or dissimilar metal assemblies.