Armox 440T

Armox® 440T

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    General Product Description

    Blast protection plate.

    Armox® 440T combines excellent penetration and shock resistance. It offers vehicle designers new ways to increase protection using lighter weight designs.

    Benefits of using Armox® 440T include: 

    • Superior workshop properties
    • Optimized solutions
    • Perfect hardness/toughness balance, for combined penetration and blast protection
    • Expertise in ballistic protection from SSAB

    Armox® 440T is not intended for further heat treatment.

    Mechanical Properties

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      Thickness
      (inmm)      		 Hardness
      (HBW)      		 Yield strength Rp0.2
      (min ksiMPa)      		 Tensile strength Rm
      (ksiMPa)      		 Elongation A5
      (min %)      		 Elongation A50
      (min %)
      0.157 - 1.18104.0 - 30.0 420 - 480 1591100 181 - 2241250 - 1550 10 12
      1.185 - 1.96830.1 - 50.0 420 - 480 1521050 181 - 2241250 - 1550 10 12
      1.972 - 3.15050.1 - 80.0 420 - 480 1451000 181 - 2241250 - 1550 10 12
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        Mechanical Testing

        Brinell hardness test according to EN ISO 6506-1 on each heat treatment individual.

        Charpy impact test according to EN ISO 148 on each heat and thickness from  0.236". 

        Tensile test according to EN ISO 6892 on each heat and thickness. 

        Ultrasonic testing

        According to EN ISO 10 160 Class E3S3.

        Impact Properties

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          Thickness
          (inmm)          		 Min impact energy, transverse test,
          Charpy V 0.393x0.393" test specimen 1)
          0.157 - 3.1504.0 - 80.0 33 ft-lbs / -40 °F45 J / -40 °C
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            Thickness
            (inmm)
            0.157 - 3.1504.0 - 80.0
            Min impact energy, transverse test,
            Charpy V 0.393x0.393" test specimen 1)
            33 ft-lbs / -40 °F45 J / -40 °C

            1) Average of three tests. Transverse to rolling direction. Single value min. 70% of specified average. For plate thicknesses under 0.472" sub-size Charpy-V specimen are used. The specified minimum value is then propotional to the specimen cross-section.

            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 %)
              0.21 0.50 1.20 0.010 0.003 1.0 2.50 0.70 0.005
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                The steel is grain-refined. *) Intentional alloying elements.

                Tolerances

                More details are given in SSAB´s brochure Armox® Guarantees or on www.ssab.com.

                Thickness

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                  Thickness
                  (inmm)                  		 Tolerance
                  (inmm)
                  0.157 - 0.5094.0 - 12.9 - 0.0 / + 0.0236- 0.0 / + 0.6
                  0.512 - 0.78713.0 - 20.0 - 0.0 / + 0.0315- 0.0 / + 0.8
                  0.791 - 1.57520.0 - 40.0 - 0.0 / + 0.0393- 0.0 / + 1.0
                  1.578 - 2.35840.1 - 59.9 - 0.0 / + 0.0551- 0.0 / + 1.4
                  2.362 - 3.15060.0 - 80.0 - 0.0 / + 0.0630- 0.0 / + 1.6
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                  Comparison

                    Thickness
                    (inmm)
                    0.157 - 0.5094.0 - 12.9
                    Tolerance
                    (inmm)
                    - 0.0 / + 0.0236- 0.0 / + 0.6
                    Thickness
                    (inmm)
                    0.512 - 0.78713.0 - 20.0
                    Tolerance
                    (inmm)
                    - 0.0 / + 0.0315- 0.0 / + 0.8
                    Thickness
                    (inmm)
                    0.791 - 1.57520.0 - 40.0
                    Tolerance
                    (inmm)
                    - 0.0 / + 0.0393- 0.0 / + 1.0
                    Thickness
                    (inmm)
                    1.578 - 2.35840.1 - 59.9
                    Tolerance
                    (inmm)
                    - 0.0 / + 0.0551- 0.0 / + 1.4
                    Thickness
                    (inmm)
                    2.362 - 3.15060.0 - 80.0
                    Tolerance
                    (inmm)
                    - 0.0 / + 0.0630- 0.0 / + 1.6

                    Length and Width

                    According to SSAB´s dimension program.

                    • Tolerances conform to EN 10029 or to SSAB´s standard after agreement.
                    • Dimensional tolerances for plate with mill edge according to special agreement. 

                    Shape

                    Tolerances according to EN 10029.

                    Flatness

                    Tolerances according to Armox® flatness guarantees, which are more restrictive than EN 10029 Class N (steel type L).

                    Surface Properties

                    According to EN 10163-2 Class B Subclass 3.

                    Delivery Conditions

                    The delivery condition is QT (Quenched and Tempered).

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