Soldering Vs Welding - Can Soldering Replace Welding?

Although welding and soldering are similar methods of combining metals, the decision of which one will work better for your project depends on a number of factors. Soldering typically uses lower temperatures and creates a more seamless appearance, but produces a weaker joint than welding.

Is solder as strong as welding?

A soldered bond is not as strong as a welded or brazed one because it is not a mechanical connection. If soldering wasn't done properly, the pieces won't conduct electricity properly.