Backer Bar Welding A far better approach is to use some sort of temporary backing material. This type of application commonly is welded in a weld seamer or other hard-automation fixture using copper ...

Huntingdon Fusion Techniques Ltd. has published a four-page leaflet about its Argweld® weld backing tape. Three different grades of tape are available for welding up to 240 amps. The tape is placed at ...

Q. I have always enjoyed your column in but I don't think you answered Stan Collin's question (in the July '19 issue) about using a copper backup pad for welding up small holes. You did give some ...