In order to provide an alloy which, on the one hand, can be used for the synthesis of crown and bridge frameworks that may be provided with a tooth-colored veneer of ceramic material, and, on the other hand, enable the synthesis of model casting bases, a nonprecious metal dental casting alloy is provided which substantially consists of: TABLE-US-00001 26 35 wt % Cr 2 6 wt % Mo 3 12 wt % W 0.8 1.5 wt % Si up to 0.3 wt % Mn 0.1 0.35 wt % N <0.1 wt % Ni 0.2 1.5 wt % Ta and manufacturing impurities of <0.1 wt % in each case, remainder cobalt, the content of tungsten being always greater than the content of molybdenum.