Brands & products Expandable Rock Bolts Product offer and datasheets SSAB ERB 160

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 0.079". The bolts are delivered in bundles of 50 bolts per bundle. The bolts have a loading capacity of 35.97 kipf.

    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 94.488" - 236.220".

    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

    SSABs Expandable rock bolts 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 (inmm) 1.41736
      Original tube diameter (inmm) 2.12654
      Upper bushing diameter (inmm) 1.49638
      Bushing head diameter (inmm) 1.614 / 1.89041 / 48
      Standard length 1)
      (inmm)       		94.488 - 236.2202400 - 6000
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      Comparison

        Product
        Profile diameter (inmm)
        ERB 160/160+
        1.41736
        Product
        Original tube diameter (inmm)
        ERB 160/160+
        2.12654
        Product
        Upper bushing diameter (inmm)
        ERB 160/160+
        1.49638
        Product
        Bushing head diameter (inmm)
        ERB 160/160+
        1.614 / 1.89041 / 48
        Product
        Standard length 1)
        (inmm)
        ERB 160/160+
        94.488 - 236.2202400 - 6000

        1) Other lengths upon request.

        Mechanical Properties

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          Product Wall Thickness
          (inmm)          		 Minimum yield load
          (kipf)          		 Typical Elongation A (%),
          not guaranteed          		 Elongation A
          (min %)          		 Typical breaking load (kipf),
          not guaranteed          		 Minimum breaking load (kipf)
          ERB 160 0.0792.0 29.23 15 10 38.23 35.97
          ERB 160+ 0.0792.0 26.97 30 20 35.97 35.97
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          Comparison

            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 (inmm) 1.693 - 5.04743 - 52
              Recommended inflation pressure (psi) 3480
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              Comparison

                Product
                Recommended hole diameter (inmm)
                ERB 160/160+
                1.693 - 5.04743 - 52
                Product
                Recommended inflation pressure (psi)
                ERB 160/160+
                3480