Hardox® 500 Tuf steel introduction. This wear plate delivers exceptional strength, hardness and toughness in a single plate, guaranteed.
Hardox® 500 Tuf steel introduction. This wear plate delivers exceptional strength, hardness and toughness in a single plate, guaranteed.

Hardox® 500 Tuf

Hardox® 500 Tuf wear plate, the latest grade in the Hardox range, delivers exceptional strength, hardness and toughness in a single plate, guaranteed. It has proven its value around the world in tipper and dump bodies, containers, mining equipment, agricultural machinery, liners and wear parts, and buckets of all kinds. Explore the heavy wear fighter Hardox® 500 Tuf!

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    The Hardox® 500 Tuf logo emerging from the back of a red truck body made in strong and tough Hardox® 500 Tuf steel.

    More payload

    How come a tipper body or bucket in Hardox® 500 Tuf steel can deliver more payload? Simply because it can make equipment lighter through thinner dimensions and less heavy wear packages while maintaining its high durability.

    Watch this beast in action

    See what happens when a plate of Hardox® 500 Tuf meets up with some massive boulders in the toughest of conditions. Bring on the boulders and experience the Hardox® 500 Tuf difference.

    A heavy-duty loader bucket made in extra-tough Hardox® 500 Tuf, scooping up the Hardox® 500 Tuf logo.

    Longer service life

    With Hardox® 500 Tuf you can expect twice the service life compared to a 400 HBW AR steel, and up to 50% longer service life relative to a 450 HBW steel. Look forward to savings in repair and maintenance costs.

    Red dump body made in Hardox® 500 Tuf steel dumping out some abrasive rocks.

    Tippers and dump bodies load more and last longer with Hardox® 500 Tuf

    Want to take your business to the stratosphere? Get lighter bodies with the wear resistance of heavier structures? Reduce or eliminate supporting structures? That’s what OEM Mantella did. Discover how they saved 365 kg (805 lbs.) in their Stratosphere trailer body. With a lower tare weight, your bodies can carry more payload, use less fuel per ton transported and make fewer trips on the road.

    A Volvo excavator on a job site with excavator bucket made in extra-tough, high strength steel Hardox® 500 Tuf.

    Increase payload and service life for buckets, dippers and attachments in Hardox® 500 Tuf

    If you want productivity gains, nothing beats the combo of high strength, hardness and toughness that Hardox® 500 Tuf brings. And you won’t get bogged down with heavy wear packages or costly repairs because your attachments will last longer – potentially, up to 100% longer compared to using a 400 Brinell steel or conventional AR steel. Find out how Swedish Fronteq and Danish Sjørring improve the productivity and wear life of their buckets.

    A lineup of yellow mining haul trucks against a bright blue sky, with bodies made in Hardox® 500 Tuf steel.

    Hardox® 500 Tuf for high productivity in mining

    Can your valuable mining equipment take a pounding every day and still reach high levels of productivity and profitability? Schlam knows that it can, with a boost in loading capacity of up to 20%. You too can protect your investments with Hardox® 500 Tuf in mining haul truck bodies. It has a guaranteed narrow Brinell hardness range of 475-505 HBW, an impact energy of 27 J at -20°C (20 ft-lb at -4°F) and a typical value of 45 J at -40°C (33 ft-lb at -40°F), making it the optimal choice in cold conditions.

    A red dump truck body made in Hardox® 500 Tuf steel, dumping out abrasive waste.

    Hardox® 500 Tuf is a recycling champion

    Containers made of Hardox® 500 Tuf are light and strong and stand up to the harshest recycling challenges. The Finnish company Ferreus turned to Hardox® 500 Tuf and saved more than one tonne (1.1 tons) in container weight. Heavy and sharp materials like steel scrap, concrete rebar and demolition scrap are no match for Hardox® 500 Tuf. The recycling container is ready to handle the toughest of loads and still return in good shape at the end of the day.

     

    A cement mixer truck with drum made in abrasion resistant steel Hardox® 500 Tuf.

    Hardox® 500 Tuf keeps concrete mixers rolling

    Using Hardox® 500 Tuf in concrete mixers makes them lighter and more durable. The German company Stetter knows this firsthand, since it was able to the cut weight of its mixer drums. The additional hardness Hardox® 500 Tuf gives, compared to Hardox® 400 and Hardox® 450, allows for thinner dimensions that reduce drum weight with the same high wear life. Alternatively, if you keep the same thickness the drum lasts longer. Either way, Hardox® 500 Tuf makes any concrete mixer drum more competitive.

    See how Hardox® 500 Tuf brings benefits to OEMs and end users

    Longer service life for all kinds of abrasive materials

    With Hardox® WearCalc software from SSAB, you can calculate and determine the increase in service life of equipment made in Hardox® 500 Tuf compared with generic AR steel with lower hardness values. A calculation based on sliding wear with granite shows:

    • 30-50% longer service life than a 450 HBW material
    • 85-100% longer service life than a 400 HBW material, the hardness value of many generic AR steels with lower hardness values.

    Similar calculations can also be performed for other abrasive materials, such as coal, iron ore, limestone, sand, glass and household waste containing metal.

    Three images of the Hardox® WearCalc app, used to calculate wear and savings for different grades of the high-strength AR steel Hardox® wear plate.
    Close-up of a welder’s gloved hand, working some heavy metal chain made of strong and tough Hardox® wear plate.

    Workshop-friendly: Reliable and productive in the workshop

    Hardox® 500 Tuf is a clean steel with extremely consistent, guaranteed properties for flatness, thickness and bending performance. Download Hardox Guarantees to see how you can ensure predictable fabrication in the workshop.

    You can weld the steel using any conventional technique, and no pre-heating is needed up to 25.4 mm (1 in.). Same applies for cutting and machining, making the upgrade to Hardox® 500 Tuf a smooth process. Download the Hardox Welding brochure to learn more.

    Dimension Range

    Hardox® 500 Tuf is available as sheet in thicknesses of 3.0 - 6.5 mm, and as plate in thicknesses of 4.0 – 25.4 mm. More detailed information on dimensions is provided in the dimension program.

    A chart showing different steel dimensions for high-strength steel.

    Mechanical Properties

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      Product Thickness
      (mm)
      Hardness 1)
      (HBW)
      Typical yield strength
      (MPa), not guaranteed
      Hardox® 500 Tuf sheet 3.0 - 6.5 470 - 505 1250 - 1400
      Hardox® 500 Tuf plate 4.0 - 25.4 470 - 505 1250 - 1400
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      Comparison

        1) Brinell hardness, HBW, according to EN ISO 6506-1, on a milled surface 0.5 – 3 mm below surface. At least one test specimen per heat and 40 tons. The nominal thickness of supplied plates will not deviate more than +/- 15 mm from the thickness of the test specimen used for hardness testing. For sheet the Brinell hardness test is according to EN ISO 6506-1 on each heat treatment individual/coil. Hardness is measured on a milled surface 0.3 - 2 mm below surface.

        Hardox® wear plate is through-hardened. Minimum core hardness is 90 % of the guaranteed minimum surface hardness.

        Impact Properties

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          Product Transverse test, guaranteed impact energy,
          Charpy V 10x10 mm test specimen 1)
          Hardox® 500 Tuf sheet 27 J / -40 °C
          Hardox® 500 Tuf plate 27 J / -20 °C
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          Comparison

            Product
            Hardox® 500 Tuf sheet
            Transverse test, guaranteed impact energy,
            Charpy V 10x10 mm test specimen 1)
            27 J / -40 °C
            Product
            Hardox® 500 Tuf plate
            Transverse test, guaranteed impact energy,
            Charpy V 10x10 mm test specimen 1)
            27 J / -20 °C

            1) Impact testing is performed on thicknesses ≥ 6 mm for plate and ≥ 3 mm for sheet. For thicknesses between 3 and 11.9 mm, sub-size Charpy V-specimens are used. The specified minimum value is proportional to the cross-sectional area of the test specimen, compared to a full-size specimen (10 x 10 mm). Impact testing according to ISO EN 148 per heat and thickness group. Average of three tests

            Chemical Composition (heat analysis)

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              C *)
              (max %)
              Si *)
              (max %)
              Mn*)
              (max %)
              P
              (max %)
              S
              (max %)
              Cr*)
              (max %)
              Ni*)
              (max %)
              Mo*)
              (max %)
              B*)
              (max %)
              0.30 0.70 1.60 0.020 0.010 1.50 1.50 0.60 0.005
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              Comparison

                The steel is grain refined. *) Intentional alloying elements.

                Carbon Equivalent CET(CEV)

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                  Product type Sheet Plate Plate
                  Thickness (mm) 3.0 - 6.5 4.0 - 16.0 16.1 - 25.4
                  Max CET(CEV) 0.38 (0.54) 0.38 (0.54) 0.39 (0.55)
                  Typ CET(CEV) 0.30 (0.40) 0.36 (0.52) 0.37 (0.53)
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                  Comparison

                    CET and CEV formula

                    Tolerances

                    More details are given in SSAB’s brochure Hardox® Guarantees.

                    Thickness

                    Tolerances according to Hardox® Thickness Guarantee. Hardox® Guarantees meets the requirements of EN 10029 Class A for plate, but offers more narrow tolerances. For sheets the guarantees meets the requirements of 1/2 EN 10051.

                    Length and Width

                    According to SSAB’s dimension program. For plate, the tolerances are according to SSAB´s mill edge standard or tolerances that conform to EN 10029. For sheet the tolerances conform to EN 10051, tighter tolerances available on request.

                    Shape

                    Tolerances according to EN 10029 for plate and according to EN 10051 for sheet.

                    Flatness

                    For plate the tolerances are according to Hardox® flatness guarantees Class D, which are more restrictive than EN 10029. For sheet the tolerances are according to Hardox® flatness guarantees Class A, that offer narrower tolerances compared to EN 10051.

                    Surface Properties

                    According to EN 10163-2 Class A, Subclass 1.

                    Delivery Conditions

                    The delivery condition is Q or QT (Quenched or Quenched and Tempered). The sheets are delivered with an as-rolled surface and mill edge as standard, and the plates are delivered with sheared or thermally cut edges.

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

                    Fabrication and Other Recommendations

                    Welding, bending and machining

                    Recommendations can be found in SSABs brochures at www.hardox.com or consult Tech Support.

                    Bendability for plates are according to Hardox® Bending Guarantees Class F. For sheets the bendability are according to Hardox bending guarantees Class B.

                    Hardox® wear plate is not intended for further heat treatment. It has obtained its mechanical properties by quenching and when necessary by means of subsequent tempering. The properties of the delivery condition cannot be retained after exposure to temperatures in excess of 250ºC .

                    Appropriate health and safety precautions must be taken when welding, cutting, grinding or otherwise working on this product. Grinding, especially of primer coated plates, may produce dust with a high particle concentration.