Welding and Fabrication

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Welding Overview Videos:

These videos by weldnotes.com briefly explain the most common types of welding.

Welding Introduction

What is STICK Welding? (SMAW)

What is MIG Welding? (GMAW)

What is TIG Welding? (GTAW)

What is Flux Cored Arc Welding? (FCAW)

Oxy-Acetylene Torch

More to come.

TIG Welding

Welding Straight Is Hard To Do (video)

TIG Welding - Puddle Control (video)

Brazing (and Soldering)

Brazing and soldering are different than welding in that (like the metal version of hot-glue) only the filler metal is melted. The filler metal has a lower melting point than the base metal of the parts being brazed, and the parts are not heated to their melting point.

  • Below 450°C (840°F) it's called soldering, and above that temperature it's brazing. (So-called silver soldering is actually silver brazing.)
  • Brazing and soldering can be done with any heat source, but usually a gas torch for brazing and an electric soldering iron for soldering.