Passionate Consultancy

Stephan Kallee, Bild: Wikipedia, Tobias Klenze, CC-BY-SA 4.0

Stephan Kallee

AluStir provides you with technical consultancy and welding machines particlularly for the following processes:

AluStir introduces the consultancy and R&D services of TWI Ltd (The Welding Institute) to Southern Germany, Austria and Switzerland.

Stirweld vertreibt über AluStir FSW-Köpfe für CNC-Fräsmachinen und Roboter: Den Standardkopf, einen Kopf mit einem längenveränderlichen Stift und eine Spindel für Roboter.

Together with Stirweld, we supply FSW heads for integration into CNC milling machines.

Regarding friction stir welding we collaborate with Stirtec GmbH in Premstätten since 2016.

We offer friction welded parts in a well established collaboration with Klaus Raiser GmbH & Co. KG.

AluStir acts case by case as world-wide sales repre­sen­tative for rotary friction welding machines of U-Jin Tech Corp. in South Korea. 


We help you to select the correct welding process for your application.

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We provide you with a customer-specific machine concept for your products.

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In our training courses, you will learn everything about quality assurance in accordance with the relevant standards.


The collaborative aiCAMstir project focusses on the use of artificial intelligence in the Computer Aided Manufacture of friction stir welds.


We supply you with turn-key solutions from a feasibility study over parameter optimisation, machine specification, and training to production ramp-up support.

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Core Competencies


Our consultancy is based on a scientific education as Mechanical Engineer and International Welding Engineer.

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We provide consultancy about the industrial application of innovative welding processes to world-wide companies since 1995. 

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Over the years, we have managed projects up to 8,5 Mio €, where we tried to get at least a tenfold return on investment in comparison to project cost.

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