Note: The material specified in this engineering material specification is protected by a patent of Chuetsu Metal Works Co. Ltd., Tokio/Tokyo, JP (patent letter DE 2830459 C3).

Material Description. Wrought copper-zinc- (aluminum-nickel)-cobalt-alloy (Special-brass).

Material Identification. Rods, tubes, profiles and pressing parts, which can be supplied optionally in cold or hot formed condition.

Cross-Reference of Replaced Specifications. Subparagraphs were not applicable. 

Symbols. Not applicable. 

Typical Application. This alloy shall mainly be used for synchronizing rings and for such parts where a very good wear resistance is required.

Remarks. Deviations from the requirements of this specification or additional requirements are specified in the respective component drawings ormaterial releases.