Stirtec – Full-Line Supplier for Friction Stir Welding
Automotive Industry
Accelerating the transformation to sustainabilityFriction Stir Welding (FSW) is the key technology for the automotive industry when it comes to components requiring the highest joint quality, reproducible process reliability, and measurable cost advantages. The process ensures that every weld joint meets the sector’s extreme requirements – from crash performance and dimensional accuracy to leak tightness.
In the context of high production volumes, tight margins, and increasing cost pressure, FSW minimizes additional process steps and post-processing to the lowest possible level. Particularly in lightweight construction projects, electromobility, and multi-material applications, the process enables stable and repeatable production, combining efficiency, safety, and economic performance.


Railway Industry
Connections in perfectionFriction Stir Welding (FSW) is a high-performance joining technology for the railway industry, combining the highest safety standards with economic efficiency. The process enables reproducible welds with consistently high quality – even under demanding operating conditions.
In view of rising energy and material costs as well as increasing efficiency pressure, FSW offers clear advantages: short cycle times, low heat input, and minimal post-processing requirements. Modern equipment and robust, process-reliable parameters ensure maximum reliability of every joint and support sustainable, cost-optimized manufacturing of rail vehicle components.
High-performance applications
Reliable Technologies for the Highest DemandsFriction Stir Welding (FSW) is the key technology for high-performance and heavy-duty systems when conventional processes reach their limits. It enables the reliable joining of high-strength materials and dissimilar material combinations while ensuring optimal weld properties and consistent quality assurance.
The process guarantees leak tightness, outstanding mechanical stability, and long service life, even under extreme operating conditions. At the same time, it allows for efficient, reproducible manufacturing and contributes to sustainable, cost-effective production – delivering durable solutions for demanding applications.


Charging Systems / busbars
Exceptional Efficiency in JoiningRefill-FSSW and FSSW are advanced joining technologies for aluminum–copper hybrid connections e.g. in electromobility, enabling high electrical conductivity, reliability, and compact designs. They address key challenges in battery and charging system design:
- Joining copper and aluminum components with large cross-sections and minimal electrical resistance
- Space-saving, low-profile busbars for more efficient installation and reduced heat generation
- Robust and durable joints, even in complex components
This technology is a decisive factor in developing high-performance, safe, and long-lasting electrical systems across a wide range of applications.
Your Expert for Friction Stir Welding
Stirtec is a leader in the industrial application of Friction Stir Welding. With more than 20 years of experience, we support our customers from product development through prototyping to high-productivity solutions, including FSW centers and automated production lines.
Discover how Friction Stir Welding can efficiently and reliably enhance your applications.

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