Strenx® 900 Plus
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Strenx® 900 Plus high-strength structural steel
Strenx® 900 Plus is a structural steel that guarantees a minimum yield strength of 900 MPa. The steel provides a unique combination of strength and impact toughness together with first-rate workshop properties. It is an excellent choice for advanced load-bearing equipment such as mobile and loader cranes, trailer chassis and agriculture equipment. Strenx® 900 Plus meets the requirements of EN 10025-6 grade S890QL. Strenx® 900 Plus has superior bendability and surface quality, high weldability, and guaranteed flatness, thickness and bending properties for predictable performance in the workshop.
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Mechanical Properties
The mechanical properties are tested and guaranteed in both longitudinal and transverse direction.
1) If ReH is not applicable then Rp0.2 is used.
Impact Properties
1) Impact testing according to EN ISO 148-1 is performed on thicknesses ≥ 6mm. For thicknesses between 6.0 - 8.0 mm, sub-size Charpy V-specimens are used. The specified min value is then proportional to the cross-sectional area of the specimen compared to a full-size specimen (10x10 mm).
Chemical Composition (ladle analysis)
The steel is grain refined.
Carbon Equivalent CET(CEV)
Thickness
Tolerances according to Strenx® Thickness Guarantees.
Strenx® Guarantees offer considerably narrower thickness tolerances compared to EN 10051.
Length and Width
Width and length tolerances according to SSAB standard.
The SSAB standard offer narrower width and length tolerances compared to EN 10051.
Length tolerances only apply for cut to length sheets.
Shape
Tolerances according to EN 10051. Narrower tolerances according to the SSAB standard are available on request.
Flatness
Tolerances according to Strenx® Flatness Guarantees Class A.
Strenx® Flatness Guarantees offer narrower tolerances compared to EN 10051.
Flatness guarantees only apply for cut to length sheets.
Surface Properties
According to EN 10163-2 Class A, Subclass 3.
Delivery Conditions
The delivery condition is Q+T (Quenched and Tempered). Strenx® Plus is supplied in as rolled surface condition, pickled surface is available in a limited thickness range.
Delivery requirements can be found in SSAB’s brochure Strenx® Guarantees or on www.ssab.com.
Fabrication and Other Recommendations
Welding, bending and machining
Strenx® Plus has very good weldability with good toughness and strength in the welds. Strenx® Plus has good forming and cutting performance.
Strenx® Plus is not suited for applications requiring hot working or heat treatments at temperatures above 400°C, since the material then may lose its guaranteed properties.
For information concerning fabrication, see SSAB´s brochures on www.ssab.com or consult Tech Support.
Appropriate health and safety precautions must be taken when bending, welding, cutting, grinding or otherwise working on the products.
Upgrade to a stronger Strenx®
If you are building equipment with Strenx® 900 Plus today, consider upgrading to Strenx® 960 Plus, you can utilize the higher yield strength to improve performance even further, making the equipment stronger and lighter. When you like to discuss upgrading, you are always welcome to get in touch with our steel specialists at SSAB Tech Support or SSAB Knowledge Service Center.
