Toolox® 44 Round Bars

Pre-hardened, precise, predictable steel, now in round bars

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    General Product Description

    Pre-hardened, precise, predictable steel, now in round bars.

    Toolox® round bars are pre-hardened, ready-to-use quenched and tempered tool steels that come in a wide range of diameters from small to large.

    Suitable for engineering applications in tool holders and in different types of shafts and rolls, the diameter dimensions also provide a better solution for round parts in tooling applications like molding and in dies for aluminium die casting.

    Dimension Range

    Toolox® 44 round bars is available in diameters 0.827 - 6.772". Other dimensions can be available on request.

    Mechanical Properties

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      Diameter (inches) Hardness 1)
      (HBW)
      0.827 - 11.10 275 - 325
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      Comparison

        Diameter (inches)
        0.827 - 11.10
        Hardness 1)
        (HBW)
        275 - 325

        1) Hardness is measured, according to EN ISO 6506-1, on a milled surface 0.020 - 0.079" below the plate surface. Bar hardness is measured on a milled surface, with indents positioned as impact test according to EN 10 083.

        Impact Properties

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          Diameter (inches) Min. impact energy for longitudinal testing,
          Charpy V 0.393x0.393" test specimen 1)
          0.827 - 5.551 13 ft-lbs / 68 °F
          5.591 - 6.772 8 ft-lbs / 68 °C
          Compare parameters

          Select one parameter to compare

          Comparison

            Diameter (inches)
            0.827 - 5.551
            Min. impact energy for longitudinal testing,
            Charpy V 0.393x0.393" test specimen 1)
            13 ft-lbs / 68 °F
            Diameter (inches)
            5.591 - 6.772
            Min. impact energy for longitudinal testing,
            Charpy V 0.393x0.393" test specimen 1)
            8 ft-lbs / 68 °C

            1) Impact testing according to EN 10 083.

            Ultrasonic testing

            Ultrasonic inspection is carried out according to : EN 10 160 with extra demands according to specification SSAB V6.

            Tolerances

            Tolerances for Toolox® round bars are according to EN 10 060.

            For more information concerning dimensions and tolerances, see Toolox® round bars dimensional program: Toolox® engineering & tool steel dimensional program bars or Toolox® Guarantees available at www.ssab.com or www.toolox.com.

            Delivery Conditions

            Quenched and Tempered at a minimum temperature of 1094 °F.

            On delivery from SSAB the round bars meet the following specifications:

            • Free from mill scale
            • Not repair welded

            Delivery requirements can be found in SSAB’s brochure Toolox® Guarantees or www.toolox. com.


            Recommendations and instructions

            pdf 384 Kb
            Toolox® in engineering applications
            pdf 783 Kb
            Machining recommendations for Toolox®

            Used for

            • Tooling & Engineering
            • High temperatures (up to 590°C)

            Available standard

            • EN10060

            High-strength engineering tool steel

            The new generation of tool steel.