Using a propane torch and some aluminum brazing rods is a quick way to bonding aluminum without using a welder. It makes for a very strong bond and wi.
This is a basic guide on how to weld using a metal inert gas (MIG) welder. MIG welding is the awesome process of using electricity to melt and join pieces of metal.
Welding aluminum can be very frustrating because the metal oxidizes quickly in open air. Moreover, the oxidation contaminates the weld and may present a fire hazard in some.