Warren — General Motors Co. believes it is the first automaker to weld steel to aluminum through resistance spot welding, a technique it spent some two years developing and expects will save weight ...

Although some engineers have had success in spot welding steel and aluminum together, it has largely been considered impossible to achieve reliable, continuous welds directly between the two ...

Spot welding looks simple and easy until your products fall apart while being delivered to the job site. When that happened to one contractor several years ago, spot welding suddenly took on a whole ...

Joining one flat piece of metal to another flat piece of metal is a common requirement, but sometimes the choice of method lies open. For a case in point, please consider these two kitchen spatulas in ...

Can you turn one of the most frustrating parts of any automotive restoration into one of the most fun? Removing the spot welds prior to replacing rusted out panels is usually not fun. What it is, ...