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Duroxite® 100 elbows lasts longer when pumping concrete – SSAB
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Duroxite® 100 elbow is a turn for the better

When you are pumping concrete or other abrasive slurries, Duroxite® 100 chromium carbide elbows outperforms other materials. Get the full details here.

Long-lasting performance proven

The abrasive effect of wet concrete changing direction in an elbow is no joke. Few materials stand up to such conditions. Duroxite® 100 elbow will, for a really long time. One tested application showed no visible or measurable wear on the elbows after two years of use and more than 20,000 m3 (26,159 yd3) of pumped concrete.

Download Duroxite® 100 elbow flyer
A concrete pumping truck with its arm outstretched.

Wear resistance that goes deep

The hardfacing layer of chromium carbides inside a Duroxite® 100 elbow can withstand sliding wear from ballast at high velocities. The hardfacing carbide layer has a guaranteed wear resistance down to 75% of its thickness. A Duroxite® 100 elbow is seamless and has longitudinal welding beads to reduce turbulence.

The inside of a Duroxite elbow with the hardfacing layer clearly visible.

Hard facts about Duroxite® 100 elbow
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    Properties Duroxite® 100 elbow
    Inner diameter 120-133 mm (4.72-5.24”)
    Cross section Circular
    Typical surface hardness 59-62 HRC (675-750 HV)
    Pressure testing without deformation 10 MPa (1.45 ksi)
    Max. pressure test to burst 28.5 MPa (4.13 ksi)
    Chromium carbide thickness 4-8 mm (0.157-0.315”)
    Bending angle 30°, 45°, 90°
    Base material S235 steel pipe
    ASTM G65 procedure A max weight loss 0.18 g (0.000397 lb)                                
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    Comparison

      Properties
      Inner diameter
      Duroxite® 100 elbow
      120-133 mm (4.72-5.24”)
      Properties
      Cross section
      Duroxite® 100 elbow
      Circular
      Properties
      Typical surface hardness
      Duroxite® 100 elbow
      59-62 HRC (675-750 HV)
      Properties
      Pressure testing without deformation
      Duroxite® 100 elbow
      10 MPa (1.45 ksi)
      Properties
      Max. pressure test to burst
      Duroxite® 100 elbow
      28.5 MPa (4.13 ksi)
      Properties
      Chromium carbide thickness
      Duroxite® 100 elbow
      4-8 mm (0.157-0.315”)
      Properties
      Bending angle
      Duroxite® 100 elbow
      30°, 45°, 90°
      Properties
      Base material
      Duroxite® 100 elbow
      S235 steel pipe
      Properties
      ASTM G65 procedure A max weight loss
      Duroxite® 100 elbow
      0.18 g (0.000397 lb)                                
      Download data sheet
      The end of a Hardox 500 pipe with a flange for attachment.

      Compatible with Hardox® 500 pipe

      Combining Duroxite® 100 elbow with Hardox® 500 pipe creates a durable transport chain for concrete from the pump to the outlet. Hardox® 500 pipe comes in diameters that match Duroxite® 100 elbows for easy connection with aligning inside surfaces.

      Hardox® 500 pipe