Raufoss Aluminum has a unique press setup enabling us to deliver on most customer needs, ranging from large demanding structures to small and light profiles.
We are offering to be your  total supplier regardless of your profile requirements.

P70 (The most powerful press in the Nordics):

• 12” diameter
• 7000 tons of pressure
• Maximum width 520 mm
• Maximum height 280 mm
• Maximum length 14,0 m
• Maximum weight 30 kg/m
• Particularly suitable for: Large structural components and hard alloys.

P22:

• 8” diameter
• 2200 tons of pressure
• Maximum width 250 mm
• Maximum height 190 mm
• Maximum length 8,6 m
• Maximum weight 8 kg/m
• Particularly suitable for: The medium segment within profiles.

P12:

• 6” diameter
• 1200 tons of pressure
• Maximum width 150 mm
• Maximum height 150 mm
• Maximum length 8,6 m
• Maximum weight 1.5 kg/m
• Particularly suitable for: Profiles with low weight.

Extrusion

The raw material for extruded aluminum profiles is a press billet, which is made from primary aluminum, recycled aluminum, or combinations of these. The press billet is cast in lengths of about 7 meters and is available in a variety of alloys and dimensions, tailored to the specific requirements and needs. At Raufoss Aluminum, the press billet has a diameter of 152-305 mm and is precision sawed into usable lengths of 200 - 1500 mm, adapted to the extrusion press and the final profile's length.

Extrusion involves the pre-heated aluminum billet (500°C) being pressed through a profile tool under high pressure (1200-7000 tons depending on the press size). The tool's opening corresponds to the profile's cross-section. The extrusion speed depends on the alloy and the profile's complexity, but typical speeds range between 5 and 100 m/min.

 As the extruded profile exits the tool, it is led out onto an exit and cooling table where it is cooled by air or water, depending on the profile's size, shape, alloy, and desired properties. To ensure the profiles are straight and to relieve any stresses in the material, the profiles are stretched.

Thereafter, the profiles are cut to suitable lengths and sent for age hardening. Hardening takes place in an oven at typically 5 hours at a temperature of about 200°C. Finally, a final inspection is conducted, and the profiles are ready for further processing or shipment to the customer.

Our factory offers the following capacities:

• Capacity weight profile: 0.08 – 30 kg/m
  
  
• Capacity length profile: <1 – 14 m
  
  
• Capacity width profiles: 4 – 500+ mm
  
  
• Capacity height profiles: 4 – 270 mm
  
  
• Alloy capacity: 20 alloy types 1xxx – 6xxx – 7xxx
  
  
• Total press capacity: >30,000 Tons
  
  
• Own aging facility
  
  
• Own Anodizing plant
  
  
• Own Painting facility
  
  
• Own machining unit
  
  
• Certificates: class, mill, others.

All based and produced in accordance with IATF16949 quality standard.