Add filler into the puddle.
How to weld copper sheet.
Some grades of copper have oxygen.
The weld should be started at some point away from the end of the joint and welded back to the end with filler metal being added.
If you are tig welding copper buy oxygen free copper.
You should also know when not to weld copper because soldering or brazing are often better methods depending on the type and use of the copper.
A twelve step guide step 1.
The filler will liquify and mix in with the two copper helping the metals weld together.
Buy the right copper.
How to tig weld copper.
In addition to the material being welded tig welding requires an electrode to carry the.
As soon as the puddle has appeared gently apply a small amount of filler through the arc to weld the metals together.
Apply the filler by gently probing it into the pudding as the arc welds the copper together.