Supplier's Category: All Brazing & Soldering: Joining metals using a filler metal below the base metal's melting point
Brazing and soldering join metal parts using a filler metal that melts below the base materials’ melting point, avoiding the distortion and grain changes that welding can cause. Brazing runs above 450°C for structural joints; soldering runs lower, mainly for electrical connections.
The temperature and filler alloy chosen depend heavily on the end application’s strength and thermal requirements.
- HVAC and refrigeration: copper tube brazing for leak-tight joints
- Electronics assembly: soldering for component-to-board connections
- Aerospace and tooling: vacuum brazing for high-strength, distortion-free joints
Related terms: torch brazing, furnace brazing, vacuum brazing, induction brazing, reflow soldering, wave soldering, filler metal selection, flux selection, joint gap design, braze alloy certification
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What determines joint quality
A brazed or soldered joint’s strength depends on process control most buyers never see directly.
What to ask about
- Joint gap tolerance control, since capillary action requires a specific clearance range
- Flux residue removal and post-braze cleaning process
- Destructive or non-destructive joint testing available for critical assemblies