The fatigue indices of samples obtained by selective laser fusion were studied in comparison with the indices of the material obtained by traditional methods (hot deformation). Powders obtained by vacuum gas atomization of the melt and centrifugal plasma rotation of the metal blanks were used. Based on experimental results, the limit of limited endurance for a given level of durability for smooth samples and samples with a notch was determined. It was established that under the conditions of testing smooth samples and samples with a notch at 20 °C on the bases of 1 × 103 and 5 × 103 cycles, higher indicators of limited endurance are demonstrated by powder materialsPowder materials. Further increase in the test bases demonstrated that the deformed material provides higher indicators. Calculations for elevated temperaturesTemperature (550 °C) showed a small difference (within 10–12%) in the limited endurance limit values obtained on smooth and notched specimens between all experimental variants.