1972-02-01

Approaching the Study of Fabricated Steel Disc Brake Rotors 720055

After inconclusive tests of steel brake rotors on a high-performance demonstration car, Armco Steel Corp. decided to take a direct approach in evaluating the application of sheet carbon steels to disc brake construction with production potential.
Steel replicas of the normal cast-iron units were tested until an equivalent-performance carbon steel grade was found. Revised prototypes, with design changes, were tested with standard industry testing procedures until performance advantages were observed. Efforts are being made to determine the most efficient and economical way to produce the newly optimized steel rotor. This report is an in-progress review of the direction and first results of this project.

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