CPC C21D 9/0068 (2013.01) [C21D 5/00 (2013.01); C22C 37/00 (2013.01); F16D 65/125 (2013.01); F16D 65/127 (2013.01); F16D 2200/0013 (2013.01)] | 17 Claims |
1. A method for producing a brake element which has a friction portion and a fastening portion, comprising:
producing a blank with the friction portion and the fastening portion configured as one piece, with the fastening portion having a wall thickness of at least 1.5 mm and at most 4.5 mm, by a casting method from gray cast iron with lamellar graphite;
subjecting the blank to an austenitizing process at a predefined austenitizing temperature so as to produce an austenitized blank;
quenching the austenitized blank at a cooling rate of between 30° C. per minute and 50° C. per minute; and
subjecting the quenched austenitized blank to an austempering process at a predefined austempering temperature so as to produce the brake element.
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