Zapp Precision Metals GmbH products

Our Alloy 718 tubes are available as sleeves for electrical air compressors in fuel-cell vehicles. The material offers the following advantages: extremely high tensile strength, not magnetizable. Heat treatment and mechanical processing for tight tolerances are carried out in-house. Bipolar plates are made of thin precision tape, such as materials 1.4404 or 1.4306. Our plates have these properties: flawless surface, tighter tolerances, good material flatness