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Strenx® 900 E/F

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    General Product Description

    Strenx® 900 E/F is a structural steel with a minimum yield strength of 830-900 MPa depending on thickness.

    Strenx® 900 E fulfills the requirements for S890QL in EN 10025-6 and Strenx® 900 F for S890QL1. Typical applications include demanding load-bearing structures.

    Strenx® 900 E/F benefits include:

    • High impact toughness which provides for good resistance to fractures
    • Superior bendability and surface quality
    • Weldability with excellent HAZ strength and toughness
    • Exceptional consistency within a plate guaranteed by close tolerances

    Dimension Range

    Strenx® 900 E is available in 4.0 - 120.0 mm thickness and 900 F in 4.0 - 100.0 mm. Both grades are available in widths up to 3350 mm and lengths up to 14630 mm depending on thickness. More detailed information on dimensions is provided in the dimension program.

    Mechanical Properties

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      Thickness
      (mmin)      		 Yield strength Rp0.2
      (min MPaksi)      		 Tensile strength Rm
      (MPaksi)      		 Elongation A5
      (min %)
      4.0 - 53.00.157 - 2.087 900130 940 - 1100136 - 159 12
      53.1 - 120.02.091 - 4.724 830120 880 - 1100127 - 159 12
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      Comparison

        For transverse test pieces.

        Impact Properties

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          Product Min impact energy for transversal testing,
          Charpy V 10x10 mm test specimen 1)          		 Meet Requirements For
          Strenx® 900 E 27 J / -40 °C20 ft-lbs / -40 °F S890QL
          Strenx® 900 F 27 J / -60 °C20 ft-lbs / -76 °F S890QL1
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            1) Unless otherwise agreed, transverse impact testing according to EN 10025-6 option 30 will apply. For thicknesses between 6 - 11.9 mm, sub-size Charpy V-specimens are used. The specified minimum value is then proportrional to the cross-sectional area of the specimen compared to a full-size specimen (10 x 10 mm).

            Chemical Composition (ladle analysis)

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              C *)
              (max %)              		 Si *)
              (max %)              		 Mn*)
              (max %)              		 P
              (max %)              		 S
              (max %)              		 Cr*)
              (max %)              		 Cu*)
              (max %)              		 Ni*)
              (max %)              		 Mo*)
              (max %)              		 B*)
              (max %)
              0.20 0.50 1.60 0.020 0.010 0.80 0.30 2.0 0.70 0.005
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                The steel is grain refined. *) Intentional alloying elements.

                Carbon Equivalent CET(CEV)

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                  Thickness (mmin) 4.0 - 80.00.157 - 3.150 80.1 - 120.03.154 - 3.937
                  Max CET(CEV) 0.39 (0.58) 0.41 (0.63)
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                    CET and CEV formula

                    Tolerances

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

                    Thickness

                    Tolerances according to Strenx® Thickness Guarantees.

                    Strenx® Guarantees meet the requirements of EN 10029 Class A, but offers narrower tolerances.

                    Length and Width

                    According to SSAB’s dimension program. Tolerances conform with EN 10029 or to SSAB’s standard after agreement. 

                    Shape

                    Tolerances according to EN 10029.

                    Flatness

                    Tolerances according to Strenx® Flatness Guarantee Class C, which are more narrow than EN 10029 Class N. 

                    Surface Properties

                    According to EN 10163-2 Class A, Subclass 3.

                    Delivery Conditions

                    The delivery condition is Quenched and Tempered. The plates are delivered with sheared or thermally cut edges. Untrimmed edges after agreement.

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

                    Fabrication and Other Recommendations

                    Welding, bending and machining

                    Recommendations are found in SSAB’s brochures at www.ssab.com or consult Tech Support.

                    Bending guarantees for Strenx® 900 E/F are according to Strenx® Bending Guarantee Class B.

                    Strenx® 900 E/F has obtained its mechanical properties by quenching and subsequent tempering. The properties of the delivery condition cannot be retained after exposure to temperatures in excess of 550ºC.

                    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.