SSAB ERB 160 and SSAB ERB 160+

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    General Product Description

    The ERB 160 and 160+ are mostly used for tunneling and construction, but could also be used in the mines.

    The tube thickness is 2 mm. The bolts are delivered in bundles of 50 bolts per bundle. The bolts have a loading capacity of 160 kN.

    The ERB 160+ is made of special steel and has gone through a precise annealing process to give the bolts excellent elongation characteristics whilst maintaining good load bearing capacity. This gives the 160+ better capacity to follow rock deformation with squeezing ground or high strain concentration areas. The products are available within the length range of 2.4 - 6.0 meters.

    Advantages using ERB:

    • Provides immediate and full support action
    • Accomodates large rock movements and still maintain its high load bearing capacity
    • High deformability to accommodate ground movements in tension as well as in shear

    Dimension Range

    ERB 160 and ERB 160+ comes in a variety of dimensions and load carrying specifications, please contact your local sales person for more information.

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      Product ERB 160/160+
      Profile diameter (mm) 36
      Original tube diameter (mm) 54
      Upper bushing diameter (mm) 38
      Bushing head diameter (mm) 41/48
      Standard length 1)
      (m)
      2.4 - 6.0
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        1) Other lengths upon request.

        Mechanical Properties

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          Product Wall Thickness
          (mm)
          Minimum yield load
          (kN)
          Typical Elongation A (%),
          not guaranteed
          Elongation A
          (min %)
          Typical breaking load (kN),
          not guaranteed
          Minimum breaking load (kN)
          ERB 160 2.0 130 15 10 170 160
          ERB 160+ 2.0 120 30 20 160 160
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            Tolerances

            Tolerances according to SSAB specifcations.

            Please contact your local sales person for more information regarding tolerances.

            Delivery Conditions

            Dry/oiled/ plastic coated. SSAB ERB bolts are delivered bundled. ERB 160 and ERB 160+ are delivered in bundles of 50 bolts per bundle as standard.

            Delivery requirements can be found in SSAB’s brochure SSAB ERB – Expandable Rock Bolt or at www.ssab.com.

            Fabrication and Other Recommendations

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              Product ERB 160/160+
              Recommended hole diameter (mm) 43 - 52
              Recommended inflation pressure (bar) 240
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