The present work shows: an iron axe from I to V AD centuries. This piece be
longs to an archaeological site from "La Olmeda" (Palencia, Spain) where se
veral iron artifacts were found. The metallurgical characterisation of anci
ent iron axe was performed using optical microscopy, SEM-EDX, XRD and hardn
ess test. The data obtained show the fabrication procedure and the technolo
gical knowledge of the roman society in "La Olmeda site.