Lead-free solder alloys have been around for as long as people have done soldering, with sources dating back about 5,000 years. Most of these alloys were combinations like copper-silver or silver ...

These use a mixture of conductive metals—including tin, silver, and copper—to melt onto a joint and create a solid connection. Because lead-free solder has a high melting point, lead-free ...

The basics with the right instructions and background make many home repairs quite simple, and that goes for soldering copper ...