Brazing wire is a filler material used in brazing, a joining process where metals are connected through heat and flux—typically at temperatures above 450 °C. Unlike welding, the base materials do not melt; the joint is formed by the melted wire alone.
Brazing wires are commonly made from copper-, silver-, or nickel-based alloys, depending on the materials to be joined and the required temperature range. They may be supplied with or without flux, depending on the application.
Typical industries using brazing wire include:
- HVAC and refrigeration
- Automotive and aerospace
- Tool and machinery manufacturing
- Electrical connectors and sensors
Key properties include high mechanical strength, excellent gap-bridging ability, and corrosion resistance. Precise tuning of alloy composition, wire diameter, and flux type ensures reliable and efficient brazing performance.
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