ELAFLEX HIBY Tanktechnik GmbH & Co. KG is an expert for aluminum, bronze and gunmetal sand castings as wells as for the mechanical processing and assembly of modules. We are active on national and international markets.

Design & development

Many years of extensive and valuable experience regarding the requirements of aluminum, bronze and gunmetal products, make us a competent business partner. In cooperation with our customers, we develop efficient and innovative solutions using 3D CAD designs.

Sand casting

Specializing in aluminum, bronze and gunmetal sand casting, we are experts for sand core intensive, thin-whalled and pressure tight sand casting techniques. Our state-of-the-art foundry enables us to work very flexibly. We guarantee a reliable production and product quality thanks to our own model-making facility and our automatic molding equipment.


Not only do we specialize in the production of sand castings, but also in the assembly of modules. We achieve maximum precision of the required assemblies by using our highly efficient assembly stands and by running regular quality checks. In addition to that, we are happy to produce any other assembly part you may require from the international market.


Aluminum alloys:

EN AC-AlSi12 (Leg 230) / EN AC-AlSi10 Mg (Leg 239)

EN AC-AlSi9 Mg / EN AC-AlSi8 Cu3 (Leg 226)

EN AC-AlSi7 Mg0,3 / EN AC-AlMg3 Si

Bronze alloys:

CuSn10 CC480K / CuSn12 CC483K

Gunmetal alloys:

CuSn5Zn5Pb2 CC499K / CuSn5Zn5Pb5 CC491K

Quality assurance

Our quality processes are being continuously monitored. Our management system is certified according to the current version of DIN EN ISO 9001.