Problem with Aluminum Welding
Main difficulty with aluminum metal as far as welding is concerned, is the speed at which this metal gets heated up. If your welding torch lingers slightly then you can have a risk of damaging your work. But, if you try to keep certain basic tips in your mind then you can easily work with extruded shapes of aluminum like other metals.
Some Basic tips for welding
Aluminum metal has got tendency to distort if you apply heat very fast on it. So, when you actually start welding, you should pre-heat it little bit. This makes aluminum sheet metal easy and it can keep distortion to minimum. You should keep in mind that you should not stop for a while when you are working with welding burning torch. If you make use of steel metal to fill the gaps between the different pieces that you weld. But, in case of aluminum it is totally different. With the help of aluminum you have to be very careful by arranging pieces as tightly as possible and then weld all the pieces together. So, there is no chance that there are chances of gap between the aluminum metal.