
Prematerial made of copper alloys meet - like no other material - the highest standards of elasticity and tensile strength, bending and stamping properties but also thermal and electrical conductivity. Our materials turn into durable and modern products. This can be ensured by the sustainable Diehl Metall recycling cycle for resource efficiency. Wire is used to make high-strength signal conducting harness wire in the on-board power supply, strips are used to make metal-plastic compound systems for electronic and electrotechnical applications such as ABS, ESP, transmission control systems or central wiring units.
Diehl Metal Applications is, with its locations Sundwiger Messingwerk (Germany) and Diehl Metall Shenzhen (China), one of the world's largest manufacturers of casted strips and wire made of copper alloys. The Miller Company in the USA also produce copper alloys strips. Diehl Metall Shenzhen (China) and it´s partner in Kunshan (China) are slitting centres that enable a fast contact to the customers in Asia.
The continuing miniaturisation of components leads to constantly rising requirements for the strip material regarding thickness tolerance, flatness and surface quality. As one of the few manufacturers Diehl Metall offers low tolerances of strips and wire.
Therefore quality objectives can only be achieved once the pre-rolled strips or pre-drawn wire maintains low tolerances according to the processing stage.
Companies who specialised on the stamping process need strips with narrow dimension tolerances and low residual stress. These properties can be ensured at Diehl Metall due to the 20-roll-cold rolling mills and the state of the art stretchleveling plant.
This guarantees minimal thicknesses of 0.05 mm and rolling speeds up to 1000 m/min.
Not only a growing sensitivity to environment and nature but also the economic need make resource-saving processes more and more important.
The global expansion of the mass demand for technical products and emerging markets increase the absolute need for raw materials and present the danger of raw material shortages.
This future scenario becomes realistic when analysing the greatly increased metal prices.
The use of specific process technologies is pursuing the continuous improvement of the existing product quality while reducing costs by raw material savings. This results in a steadily increasing interest in recycling technologies and the creation of closed material cycles wherever possible - in order to maintain the low use of primary resources.
Diehl Metal Applications can offer valuable solutions to the given objectives by applying our special know-how.
Material savings of 20 percent can already be achieved during the design stage of components by using new copper materials. This also opens new cost effective ways of recycling of surface finished materials and material compounds.
The specialists at Diehl Metall develop material concepts in close collaboration with our customers and partners. This enables us to provide solutions for almost every application.
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Diehl Metal Applications Sundwiger Messingwerk | The Miller Company | Diehl Metal Applications Diehl Metall (Shenzhen) | Kunshan | ||
Strip Wire | Strip | Slitting centre | Slitting centre | ||
Germany | USA | China | China |


Like no other material, copper alloys as prematerial meet the highest standards of elasticity and strength, formability and stamping ability as well as the thermal and electrical conductivity. Durable and modern products result from our prematerials.
Diehl Metall brands are in demand with the traditional industries as well as with the customers who indulge in modern mega trends like water, green technologies, mobility and energy.
Sales Headquarter:
Diehl Metal Applications
Hemer / Germany
Tel: +49 2372 661-203
Mail: sales-sundwig@diehl.com
Sales Office Austria, Eastern Europe:
Diehl Metal Applications
Vienna / Austria
Tel: + 43 1 7150960-10
Mail: sales-wien@diehl.com
Sales Office China:
Diehl Metal Applications
Shenzhen / P.R. China
Tel: +86 755 25261454-0
Mail: sales-shenzhen@diehl.com
Sales Office North America:
The Miller Company
Meriden / U.S.A.
Tel: +1 203 639-6914
Mail: sales-meriden@diehl.com

High-performance alloys for energy efficiency in the automotive industry.

Prematerials made of copper alloys with special surface qualities support energy-saving future technologies.

Strips and wire made of copper alloys for sustainable products in the industries.

Recyclable prematerials: sustainable solutions start at the beginning of the supply chain.