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The paper describes the results of ballistic tests of tungsten heavy alloys (WSC) susceptible to fragmentation. The materials being studied were the samples in the form of cal. 7.62 x 54 mm „Mosin” of heavy alloys projectiles prepared from the mixtures of powders W, Ni, Fe, and Co with the addition of ceramics. WSC’s were obtained from the compacts which were liquid phase or solid sintered in the hydrogen atmosphere. Final ballistics tests were conducted in accordance with the research procedure PBO-50. The results obtained allow for the graphic evaluation of WSC susceptibility to fragmentation. On the basis of analysis of the results obtained during ballistic experiment, the qualitative criterion of frangible WSC to fragmentation was proposed.