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Copper Alloys

For many decades now, Diehl Metall has been a reliable partner as a supplier of sophisticated and high-quality semi-finished goods made of copper and copper alloys.

Rods, Tubes, Profiles

Diehl Metall Messing produces sophisticated and high-quality semi-finished products made of brass, and serves the national and international markets as a major and high-tech brass manufacturer.

Synchronizer Rings

Diehl Metall is a successful partner to the international automotive industry in the area of synchronizer ring production. The company develops and produces high-performance brass and steel synchronizer rings for all application areas.


Diehl Metall Schmiedetechnik is an efficient development and production partner for sophisticated die-forgings.

Strip & Wire

Sundwiger Messingwerk, as part of Diehl Metal Applications, manufactures and distributes copper alloys in the form of strip and wire for international customers.

Press-fit Zones

With Schempp+Decker press-fit zones, Diehl Metal Applications (DMA) provides innovative, solder-free connection technology for meeting the demands of the automotive supply industry.
Diehl Stiftung & Co. KG © 2018