| https://www.eptac.com/faqs/ask-helena-leo/ask/soldering-iron-tip-temperature
. As for the alloy being used, the 63/37 is liquidus at 183C and the new RoHS alloys, such as SAC305 and Sn100C have a liquidus temperature around 215C
Heller Industries Inc. | https://hellerindustries.com/wp-content/uploads/2018/07/pan_APEX06.pdf
. The maximum temperature, on the other hand, depends on the board size, board thickness, component configuration, material thermal mass, oven capability, and etc
