Toolox® 46 Round Bars

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

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General Product Description

Toolox® 46 round bar is a steel delivered already heat treated to a very high hardness.

The chemical composition is based on the succesful Toolox® 44 product but with a modified chemical composition making this a perfect choice for the most demanding hot work tooling applications. Despite the high hardness, machining can be carried out smoothly with normal carbide tooling.

If necessary the surface properties can be further enhanced with nitriding and PVD.

Dimension Range

Toolox® 46 round bars is available in diameters 151.0 - 353.0 mm.

Mechanical Properties

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    Product Diameter (mmin) Hardness 1)
    (HBW)
    Toolox® 46 round bar 151.0 - 353.05.945 - 13.898 430 - 490
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    Comparison

      1) Hardness is measured, according to EN ISO 6506-1. Bar hardness is measured on a milled surface, with indents positioned as impact test according to EN 10083.

      Impact Properties

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        Product Min. impact energy for longitudinal testing,
        Charpy V 10x10 mm test specimen 1)
        Toolox® 46 round bar 11 J / 20 °C8 ft-lbs / 68 °F
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        Comparison

          Product
          Toolox® 46 round bar
          Min. impact energy for longitudinal testing,
          Charpy V 10x10 mm test specimen 1)
          11 J / 20 °C8 ft-lbs / 68 °F

          1) Impact testing according to EN 10083.

          Ultrasonic testing

          Ultrasonic inspection is carried out according to: EN 10228-3 with extra demands according to specification SSAB V6.

          Tolerances

          Tolerances for Toolox® round bars are according to EN 10060.

          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 590 °C.

          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 at www.toolox.com.


          Recommendations and instructions

          pdf 384 Kb
          Toolox® in engineering applications
          pdf 1.34 Mb
          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.