Abstract: A metal powder for additive manufacturing having a composition including the following elements, expressed in content by weight: 0.01%?C?0.2%, 4.6%?Ti?10%, (0.45×Ti)?0.22%?B?(0.45×Ti)+0.70%, S?0.03%, P?0.04%, N?0.05%, O?0.05% and optionally containing: Si?1.5%, Mn?3%, Al?1.5%, Ni?1%, Mo?1%, Cr?3%, Cu?1%, Nb?0.1%, V?0.5% and including eutectic precipitates of TiB2 and Fe2B, the balance being Fe and unavoidable impurities resulting from the elaboration, the volume percentage of TiB2 being equal or more than 10% and the mean bulk density of the powder being 7.50 g/cm3 or less. A manufacturing method by atomization is also provided.