Duroxite® 100 Wire

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    General Product Description

    Duroxite® 100 WIRE is a flux-cored welding wire for hardfacing components subject to severe sliding wear and moderate to low impact applications using an open-arc welding process. The weld deposit contains abrasion-resistant materials composed of a high proportion of extremely hard primary M7C3 chromium-rich carbides. With a typical hardness of 1700 HK1) these carbides are dispersed evenly in a ductile eutectic austenite matrix. It naturally reveals stress-relief cracks after welding. Duroxite® 100 WIRE is suitable for single-layer or multiple-layer deposits up to a maximum of three layers.

    1) HK is the Knoop microhardness used primarily for very brittle materials.

    Key Benefits

    • Same wear resistance guaranteed from surface through 75% depth of overlay in multi-layer deposit
    • Optimal alloy formulation that forms a carbide composition which provides a good combination of wear resistance and homogenous bonding

    Typical Applications

    Duroxite® 100 WIRE is mainly designed to use for hardfacing wear parts undergoing wear by earth, sand and abrasives up to 350ºC (660ºF). Typical examples include: Crusher hammers, gyratory crusher cones and mantles, dredging pumps, slurry pipes, dragline bucket liners, coal pulverizer rolls, coke hammers, sand dredging parts, mining and earthmoving components, and sorting screens.

    Dimension Range

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      Standard diameter
      Imperial
      1/32"
      1/16"
      7/64"
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        Standard diameter
        Imperial
        1/32"
        Standard diameter
        Imperial
        1/16"
        Standard diameter
        Imperial
        7/64"

        Mechanical Properties

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          ASTM G65 – Procedure A weight loss 2)

          Typical all-weld metal surface hardness 1)
          Number of overlay passes Classifications Surface
          (g max)
          75 % depth of overlay 3)
          (g max)
          Hardness: 2-layer deposit on mild steel Hardness: 3-layer deposit on mild steel
          Multiple passes DIN 14700 T Fe15 g
          DIN 8555 MF 10 GF 60 G
          0.18 0.18 58 - 65 HRC 60 - 65 HRC
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            1) Surface hardness is measured on machined flat surface just below overlay surface.

            2) ASTM G65 is a standard test measuring sliding abrasion resistance using a dry sand/rubber wheel apparatus. ASTM G65-Procedure A is the most severe test method.

            3) ASTM G65 wear test is conducted at 75% depth of the overlay materials to ensure consistently good wear resistance from the top surface through to the depth of 75% of the overlay.

            Chemical Composition (heat analysis)

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              Standard diameter
              Typical all-weld metal analysis (Weight %)
              Imperial C
              (%)
              Mn
              (%)
              Si
              (%)
              Cr
              (%)
              Fe
              1/32" 4.7 0.2 Up to 0.6 29.0 Balance
              1/16" 5.5 0.2 Up to 0.6 29.0 Balance
              7/64" 5.5 0.2 Up to 0.6 29.0 Balance
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                Welding recommendations

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                  Welding conditions
                  Current type Shielding gas Welding positions
                  DCEP (Direct current electrode positive) None (Self-shielded) Flat, half up, half down
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                    Welding parameters recommendations

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                      Diameter
                      Amperage (A)
                      Voltage (V)
                      Stick-out
                      Imperial Range Optimum Range Optimum Range Optimum
                      1/32" 110 - 250 190 24 - 30 28 3/4" - 1 3/4" 1"
                      1/16" 150 - 270 200 25 - 30 28 3/4" - 1 3/4" 1"
                      7/64" 250 - 450 300 28 - 32 30 3/4" - 1 3/4" 1"
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                        Recovery: 90%

                        Delivery Conditions

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                          Standard package
                          Diameter
                          Weight
                          Type Imperial Imperial
                          Spool 1/32" 33 lbs
                          Spool 1/16" 33 lbs
                          Spool 7/64" 33 lbs
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                            Fabrication and Other Recommendations

                            The welded overlay components can be processed by welding, cutting, forming and machining. Specific recommendations can be found in the Duroxite® Product brochure or by consulting your local technical support representative.

                            Safety precautions

                            When welding or cutting Duroxite® products, smoke is produced containing harmful fumes and gases that are chemically highly complex and difficult to easily classify. The major toxic component in the fumes and gases produced in the process is hexavalent chromium. The proper exhaust ventilation equipment and fume-extraction torches are recommended, as well as suitable protective clothing and respiratory protection for operators.