the present invention concerns a high - temperature lubricant for the hot shaping of high - grade and carbon steels , which has a content of graphite , organic blowing agent and inorganic separation agent , and the use thereof . in order to provide a high - temperature lubricant which can be used for a wide range of steel qualities for different wall thicknesses to be rolled and stretching effects and which is moreover stable in respect of temperature , provides constant rolling results upon a change in the wall thickness and / or the quality of steel and does not lead to unwanted cementation of the rolled material , za the high - temperature lubricant according to the invention contains at least the following constituents in percent by weight with respect to the solids content : 40 to 90 % by weight graphite , 2 to 50 % by weight organic blowing agent , and 5 to 50 % by weight inorganic separation agent , wherein the organic blowing agent is selected from the group consisting of melamine , melam , melem , melon , phosphate salts and polyphosphate salts of the aforesaid compounds with phosphate chain lengths in the region of n = 1 to 1000 , reaction products and adducts of the aforesaid compounds with cyanuric acid or isocyanuric acid , and mixtures of the aforesaid , and the inorganic separation agent is a sheet silicate or a mixture of sheet silicates .