Brands & products Expandable Rock Bolts Product offer and datasheets SSAB ERB 120

SSAB ERB 120 and SSAB ERB 120+

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    General Product Description

    The ERB 120 and 120+ are mostly used for mining applications.

    The tube thickness is 0.079".The bolts are delivered in bundles of 100 bolts per bundle. The bolts have a load capacity of 26.97 kipf.

    The ERB 120+ 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 120+ better capacity to follow rock deformation with squeezing ground or high strain concentration areas. The products are available within the length range of 59.055" - 157.480".

    Advantages using ERB:

    • Provides immediate and full support action
    • Accommodates 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 120/120+
      Profile diameter (inmm) 1.06327
      Original tube diameter (inmm) 1.61441
      Upper bushing diameter (inmm) 1.10228
      Bushing head diameter (inmm) 1.181 / 1.45730 / 37
      Standard length 1)
      (inmm)       		59.055 - 157.4801500 - 4000
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      Comparison

        Product
        Profile diameter (inmm)
        ERB 120/120+
        1.06327
        Product
        Original tube diameter (inmm)
        ERB 120/120+
        1.61441
        Product
        Upper bushing diameter (inmm)
        ERB 120/120+
        1.10228
        Product
        Bushing head diameter (inmm)
        ERB 120/120+
        1.181 / 1.45730 / 37
        Product
        Standard length 1)
        (inmm)
        ERB 120/120+
        59.055 - 157.4801500 - 4000

        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 120 0.0792.0 22.48 15 10 29.23 26.97
          ERB 120+ 0.0792.0 22.48 30 20 29.23 26.97
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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 120 and ERB 120+ are delivered in bundles of 100 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 120/120+
              Recommended hole diameter (inmm) 1.260 - 1.53532 - 39
              Recommended inflation pressure (psi) 4351
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              Comparison

                Product
                Recommended hole diameter (inmm)
                ERB 120/120+
                1.260 - 1.53532 - 39
                Product
                Recommended inflation pressure (psi)
                ERB 120/120+
                4351