An early bit of iron from the trackway during the province of Drenthe, Netherlands, has been dated to 1350 bce, a date Usually taken as the Middle Bronze Age for this region. In Anatolia, Alternatively, iron was in use as early as 2000 bce. You can also find occasional references https://metallurgicalprocesses35678.blogadvize.com/36212141/a-secret-weapon-for-metallurgical-processes