Method for producing a brake disc

A method for producing a brake disc, comprising:

• a) prefabricating a base body with a hub fastening and a friction ring made of metal, wherein the hub fastening has an annular hub contact surface, wherein the friction ring has two opposite annular friction surfaces which run around an axis of rotation of the base body, by
• a. casting the base body from metal, and
• b. optionally removing material in at least one of the region of the friction surfaces and the region of the hub contact surface;
• in such a way that the annular friction surfaces have a radial gradient (W1) with respect to the hub contact surface;
• and
• b) creating a wear protection layer on one or on both of the friction surfaces in such a way that stresses thermally induced in this process deform the annular friction surfaces in such a way that an absolute value of the radial gradient (W1) is reduced to a lower absolute value of a radial residual gradient (W2).