For gas welding aluminum, Burtweld Aluminum Welding Lenses ... Use only a spark lighter to light a torch, never an open flame. When you're done welding, turn the valve off at the tank and bleed ...

The most common type is known as fusion welding, where the parent metals are melted together with a flame or an electrode ... flux material that turns into a gas when heated.

So with that, I can be up and welding aluminum for the cost of two bottles of gas and a reg (oh, and a new pair of cobalt goggles) as opposed to the cost of a TIG maching, one bottle, and one ...