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                        Strenx 700 Product Group

                        Strenx? 700

                        The high-strength structural steel at 700 MPa

                        In the never-ending battle for improved performance of steel products, less weight wins. Strenx? is stronger than ordinary steel, you need less material to achieve equivalent strengths in your products.

                        Strenx? 700 products are structural steel with a minimum yield strength of 650-700 MPa depending on thickness.

                        The chemical analysis, consisting of low levels of carbon has additional grain refiners such as niobium, titanium or vanadium that are precisely added to the chemistry. This together with high cleanliness, makes Strenx? performance steels the most competitive alternative for cold formed and welded products.

                        Strenx? 700 products are used in applications such as tipper and trailer chassis, cranes, construction and agriculture equipment, especially in load carrying structures that have high demands for lower weight. In these applications, the high strength of these steels can be used to save weight, increase the payload or increase the performance. Furthermore, as a result of these benefits and the good formability of the steels, the total cost can be reduced.

                        Strenx 700

                        Strenx® 700 products and thicknesses

                        Strenx® 700
                        Standard Products
                        Thickness range Conforms to standard Formats Typical products manufactured with Strenx®
                        Plate Hot rolled strip Cold rolled strip
                        Strenx® 700 E 4-160 --- --- S690QL in EN 10025-6 Impact test at -40°C Plates Demanding load-bearing structures
                        Strenx® 700 F 4-130 --- --- S690QL1 in EN 10025-6 Impact test at -60°C Plates Demanding load-bearing structures in cold and extreme conditions
                        Strenx® 700 OME 4-130 --- --- S690QL in EN 10025-6 Impact test at -40°C Plates Demanding load-bearing structures within the Offshore and Marine Industry
                        Strenx® 700MC D --- 2-10 --- S700MC in EN 10149-2 Impact test at -20°C Sheets, Coils & Slite coils Wide range of structures
                        Strenx® 700MC E --- 2-10 --- S700MC in EN 10149-2 Impact test at -40°C Sheets, Coils & Slite coils Wide range of structures
                        Strenx® 700MC Plus
                        --- 3-12 --- S700MC in EN 10149-2 Impact test at -60°C Sheets Structures requiring extreme formability and impact toughness
                        Strenx® 700 CR --- --- 0.7-2.1 SSAB specification Sheets, Coils & Slite coils Wide range of structures

                        THE BENEFITS OF HIGH YIELD STRENGTH

                        A yield strength of 700 MPa and above is the new normal when designing in high-strength steel. If you are using a steel of lower strength, your products are probably not living up to their potential

                        Upgrading to a steel with higher yield strength leaves room for more high performing designs with increased load bearing capacity. The stresses can be higher which allows for the use of thinner steel. This adds several advantages:

                        • Depending on the starting point, designers can cut up to 40 percent weight off steel structures – and still increase the fatigue life
                        • If the parts are welded, welding time and the amount of welding consumables will be significantly reduced

                        Yield strength defines the load – or stress – the steel can take before it becomes plastically deformed. The relation between elongation and load is linear up to the yield point. This means that before reaching its yield point, the steel will return to its original shape when the load is released.

                        Strenx? steel has highly consistent and guaranteed bending properties for repeatable performance in the workshop.

                         

                        TYPICAL UPGRADING

                        Strenx? 700MC is commonly used in lightweight solutions for trailer chassis. Upgrading a trailer chassis from a 350-grade using Strenx? 700MC typically generates a weight reduction of about 30% for the chassis structural parts, but depending on the chassis design, the weight reduction potential may be higher; even up to 50%.

                         

                         

                        DOWNLOAD HANDBOOK

                                Original design a)            Lightweight design b)      Lightweight design c)   
                        Steel Grade        S355       Strenx? 700MC  Strenx? 700MC
                         Weight, m [kg/m]       42       27  30
                         Bending Moment Capasity, M [kNm]       286       306  369
                         Moment of Inertia, I [2]      140E-06      93E-06   140E-06
                         Section Modulus, W [2]       72E-05       46E-05
                         58E-05
                         Weight Reduction, WR [%]      -       36  30

                         

                         

                         

                        Dimension range

                        Strenx® 700 is available in thicknesses from 4.0 up to 160 mm as plate, as hot rolled sheet in thicknesses from 2.0 up to 12.0 mm and as cold rolled sheet in thicknesses from 0.7 up to 2.1 mm. Strenx® 700 is available up to 3350 mm width.

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                        Download Strenx® Welding brochure

                        The extreme performance of Strenx? performance steel is combined with exceptional weldability. Any conventional welding method, such as MAG, MIG, SAW and LHW, can be used for welding Strenx? to other types of weldable steels.

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