What Temperature Should You Desolder? - guruchoicelab.com Some manufacturers advise against desoldering with too high a temperature to preserve components. Standard solders have a melting point between 361,4 and 368,6 °F, yet you can also come across lead-free solders which melt at a higher temperature of about 422,6 °F. When the solder has melted, it flows freely and leaves no residue on the solder ...