How To Tig Weld Thin Sheet Metal

Are you planning to do weld auto body sheet metal or any thin metal welding with mig welder or tig welder you should keep in mind some critical things to avoid creating any unwanted situations and we have decided to incorporate them in right here.

How to tig weld thin sheet metal.

The best way to estimate the heat input needed for welding is by applying the 1 for 1 rule. These days i ll normally leave less than half a second. This is especially useful for carbon steel. The standard practice when tig welding involves pushing the weld puddle in one continuous direction for the entire length of the weld.

Sheet metal is only thin so you won t need a very powerful welder just check the metal thickness of your sheet metal with the welder specifications to get the best one for your needs. And then stop to allow the weld to cool down before restarting again. To weld sheet metal with solid wires use electrode positive ep or reverse polarity. On larger thin gauge material spread out several smaller welds over the joint.

This means that 1 amp should be used per 1 thousandth 0 001 inch of thickness. Cut out the rust the first thing you ll need to do is cut out the rust from the body panel. Tig welding sheet metal. A plasma cutter is my favorite tool for cutting metal.

Auto body sheet metal welding with different welders. Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal. Forget the larger 1 8 inch tungsten electrode and use a smaller one. In the video i ve left about a second between pulses.

With back stepping the welder breaks up the seam in sections. Welding in a sequence that limits the amount of heat can help minimize distortion in thin material. For instance when producing a 3 ft. Sheet metal tig welding tips 1 for 1 rule.