The data consists of 1) Collection of photos and optical microscopy images; 2) Collection of raw data from SEM-EDS (scanning electron microscopy) analyses; 3) Collection of data from Neutron tomography analyses; 4) Collection of LA-ICP-MS raw data. All data was collected during the investigation of ancient ferrous fragments from Saruq al-Hadid. The data allows for the understanding of the aspects of ancient iron technology, production and circulation of ferrous fragments at Saruq al-Hadid.