Description / Abstract: Note: Nothing in this standard supercedes applicable laws and regulations.

Note: In the event of conflict between the English and domestic language, the English language shall take precedence.

Material Description. Gray cast iron.

Symbols. Not applicable.

Applicability. This standard specifies material and product requirements for all unventilated and ventilated brake disks for automotive industries. The gray iron rotors are specified by chemistry, mechanical properties, microstructures and quality requirements.