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All STEP-G locations at a glance

Plants in both Europe and Asia position STEP-G ideally to optimally meet customer requirements worldwide. What’s more strategically placed locations ensure on-time deliveries and help pool expertise in all aspects of cast products, extruded products and further processing. Our customers benefit from our many years of experience along the entire value creation chain – including easy, fast and uncomplicated supply even across borders.

Bitterfeld, Germany

STEP-G Extrusion

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Bonn, Germany

STEP-G Extrusion

Services

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Duffel, Belgium

STEP-G Extrusion

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Hettstedt, Germany

STEP-G further processing and logistics distribution centre

Services

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Tianjin, China

STEP-G Extrusion

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Traun, Austria

STEP-G Business and Service Center

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Vogt, Germany

STEP-G Extrusion

Services

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STEP-G worldwide

At STEP-G we focus on manufacturing aluminium billets, extruded structural components and assemblies plus recycling. Our company is a strategically important part of Sankyo Tateyama Inc. with some 11,000 employees. The group is represented around the world. STEP-G is a major player globally in the extrusion and manufacturing of innovative aluminium solutions. With eight locations, 11 extrusion lines and our own foundry as well as sales locations in Europe we are close to our customers. We combine an innovative, customer-centred approach with top expertise in extrusion, metallurgy and further processing over the entire value creation chain and life cycle of aluminium.

Bitterfeld, Germany | STEP-G extrusion

Our location in Bitterfeld in the east of Germany manufactures standard products and highly complex extruded profiles. Working in– drawing on the experience gained since 1915. In close cooperation with our customers, we support them from consulting to manufacturing and further processing for customised product solutions. Benefit from our supply of aluminium extrusions based on our expertise and experience.

Our Bitterfeld location at a glance

Extrusion lines: 20MN, 50MN

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Bonn, Germany | STEP-G extrusion

Our plant in Bonn in the Rhineland specialises in large profile extrusion for customers all over the world. The location has a unique standing due to its decades of experience in this area as well as in further processing profiles up to lengths of 30 metres. Our STEP-G location in Bonn has been active since 1921 and operates Europe’s largest extrusion press. This enables it to cover almost all customer requirements for highly complex large profiles and their processing.

Our Bonn location at a glance

Extrusion lines: 22MN, 43MN, 100MN
  • One of Europe’s most experienced producers of complex large-profile applications 
  • Aluminium profiles that fulfil top customer requirements in rail vehicle manufacturing, automobile manufacturing and special applications plus extrusion of special forged alloys for the most demanding customer solutions 
  • Consulting and support for customers right up to prototype manufacturing of individual components and finished assemblies 
Further processing
  • A broad range of automatic longitudinal welding and 3D robot welding services 
  • High expertise and many years of experience in manual welding of large assemblies 
  • High-performance CNC milling of large profiles with 5-axis processing up to lengths of 30 metres 
  • Mechanical joining, installation of standard parts (rivets) and passivating 

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Duffel, Belgium | STEP-G extrusion

Our Belgian STEP-G location near Brussels and Antwerp is one of the oldest in the STEP-G group. Since 1946, the Duffel location has specialised in aviation and aerospace applications and made a name for itself with its extensive know-how in the field. In its specific market, Duffel is a premium producer of hard alloys.

Our Duffel location at a glance

Extrusion lines: 16MN, 50MN
  • One of Europe’s most experienced producers of bars made of high-strength aluminium alloys for high-end applications 
  • Aluminium profiles with special mechanical properties as well as inspections in compliance with the requirements of the aviation and automobile industries
Further processing
  • Qualified ultrasound inspections of feed stock and profiles guarantee top quality standards 
  • Inspections are performed according to the specified classes and standards (qualification for flat and round bars of classes AA, A or B as well as according to the ASTM B594, AMS STD 2154 or EN 4050 standards) 
  • Special aluminium thermal treatment or solution annealing available
  • High competency and many years of experience in the production of stress-relieved aluminium profiles 
  • Draw benches for the production of bars with very close tolerances 

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Hettstedt, Germany | STEP-G foundry

Our STEP-G foundry in east Germany started operations in 1938. The smelting plant was partly modernised in 2015. A core area of expertise in the foundry are custom-made special alloys alongside standard aluminium alloys. We always also take account of recycling in the resource cycle from scrap to billets for the production of secondary aluminium.

Our Hettstedt location at a glance

Foundry
  • Production of cast billets for a vast range of applications 
  • Production of 2xxx, 5xxx, 6xxx and 7xxx aluminium alloys with billet diameters of 203-560 mm 
  • Special alloys and formats available on request  
Further processing
  • T6 thermal treatment to achieve special mechanical properties 
  • Sawing and turning to lengths and diameters specified by the customer 
  • Ultrasound inspection of billets

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Hettstedt, Germany | STEP-G further processing and logistics distribution centre

For our BUG Aluminium-Systeme brand, Hettstedt is a vital hub for our aluminium windowsill and flat roof systems. This newly built logistics distribution centre and our own further processing plants for aluminium extruded profiles guarantee high-quality, fast order completion. Our understanding of customer requirements, technical expertise and over seven decades of experience in the construction industry with our own BUG Aluminium-Systeme brand ensure top quality and functionality. 

Our Hettstedt centre at a glance 

  • 5,800 m2 of storage space for accessory parts and long products with packing, picking and dispatch  
  • Processing plants for windowsill, flat roof and weather protection rail systems  

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Tianjin, China | STEP-G extrusion

One of STEP-G’s newest extrusion plants was completed in 2000 in Tianjin, a major port city in the north east of China. The strategically favourable location in one of China’s largest foreign trading ports enables a smooth supply to our customers. Another big advantage of our Tianjin plant is that it applies manufacturing processes with the same standards as our European production facilities. Due to intensive interactions and knowledge transfer between our experts, we can guarantee a uniform manufacturing standard to all our customers, irrespective of location.

Our Tianjin location at a glance

Extrusion lines: 28MN, 55MN
  • Many years of experience in the production of large profiles  
  • Implementation of special customer requirements regarding mechanical properties 
  • Complex aluminium profiles for the automobile and rail vehicle manufacturing industries
  • Special production expertise in 7000-type alloys 
  • Manufacture of safety and crash components 
Further processing
  • Fully automated sawing centres  
  • High-performance production plants for bumpers
  • Wide range of manual and automated welding 
  • High-performance CNC milling centres  
  • Customer-specific special processing on request 

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Traun, Austria | STEP-G business and service centre

Another major component of the sales organisation for the BUG Aluminium-Systeme brand is our location in Traun, Austria. It has been in operation since 1985 and supplies customers in the construction industry with innovative aluminium profiles and sustainable system solutions. Our Austrian sales branch with its production and office building and adjacent warehouse specialises in our windowsill systems and accessories.

Our Traun location at a glance

  • Processing of all system profiles of the BUG Aluminium-Systeme brand
  • Storage space of 850 m2 including cut-to-size centre 
  • Processing of windowsills to customer specifications 
  • Cutting to size, assembly and surface finishing in all RAL colours 
  • Worldwide shipping 

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Vogt, Germany | STEP-G extrusion

The STEP-G plant in Vogt in south Germany lies near the Swiss and Austrian borders. It is STEP-G’s primary centre for orders from automobile manufacturers. Since 1952, the location has built up its expertise in building construction with its brand BUG Aluminium-Systeme and later in automotive applications to become an established supplier not only in Germany, but throughout Europe. Our plant in Vogt is a preferred supplier of Europe’s largest automobile manufacturers and suppliers.

Our Vogt location at a glance

Extrusion lines: 28MN, 45MN
  • Extremely complex aluminium solutions and product profiles that meet high customer requirements in automobile and vehicle manufacturing as well as plant and machinery production
  • Some seven years of experience in the manufacture of profiles for our own brand BUG Aluminium-Systeme
  • Extensive expertise in the production of extruded forging stock  
  • Customer support with everything from profile design to prototype construction of individual components and finished assemblies 
Further processing
  • Wide range of manual and automated welding 
  • CNC high-performance milling centres with 3 or 4-axis processing and fully automated material loading into customer transport racks 
  • Deburring, joining and high-performance cleaning of sensitive components for electric vehicles. Customer-specific special processing on request 

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