Last Uses and Disappearance
During the 3rd century, all peregrini were granted Roman citizenship, and therefore legionaries lost their social superiority. The lorica segmentata eventually disappeared from Roman use, most likely due to its high cost and difficult maintenance despite its good qualities, although it appears to have still been in use into the early 4th century, being depicted in the Arch of Constantine erected in 315 during the reign of Constantine I to commemorate his military achievements . (However, it has been argued that these depictions are from an earlier monument by Marcus Aurelius, from which Constantine incorporated portions into his Arch.) Recently there has been evidence of a lorica segmentata found in Spain, dating from the third century. What is more surprising is that it was found in an area where, as far as we know, only limitanei operated. (Limitanei are seen as poorer-quality troops than the contemporary mobile field armies of the comitatenses.)
Similar armouring techniques were used during the 16th century, employing sliding rivets. This was known as anima.
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