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
Mechanical Properties
For transverse test pieces.
Impact Properties
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)
The steel is grain refined. *) Intentional alloying elements.
Carbon Equivalent CET(CEV)
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.
Ready to upgrade?
Upgrading from Strenx® 900 E/F to Strenx® 960 E/F means you can improve the performance and reduce the weight of your equipment. The increase in yield strength translates to a similar increase in the equipment’s load-bearing capacity. Get in touch with our steel specialists at SSAB Tech Support or SSAB Knowledge Service Center for an update on upgrading.
