This video shows iron being heated to its melting point of 1536℃ using a halogen line heater.
Please check the following site for more information.

Related page:

Melting copper with halogen line heater: Melting process at 1085℃ Melting nickel with halogen line heater: Melting process at 1455℃ Melting titanium with halogen line heater: Melting process at 1668℃ Melting Aluminum Plate with Halogen Line Heater Brazing of Copper Plate with Halogen Line Heater Halogen Line heater Heats the Glass Plate up to 500℃ Brazing Aluminum Plate with Halogen Line Heater Brazing of Stainless Steal Plate with Halogen Line Heater