This is a close-up view of porosity in a TIG weld. We will examine some of the causes for weld porosity and ways to prevent it. Q.When I TIG-weld a patch panel into an old car and then grind the weld ...

This shows a plug tack-welded into place, after using a step drill to remove a porous area in the weld. Last time we looked at some of the causes of weld porosity, and some ways to prevent it. This ...

We may receive a commission on purchases made from links. Welding leaves behind more than just a strong joint — it also leaves a lot of mess. To clean it up, many welders reach for a chipping hammer ...