Strenx® 960 E/F

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General Product Description

Strenx® 960 E/F is a structural steel with a minimum yield strength of 850-960 MPa depending on thickness.

Strenx® 960 E fulfills the requirements for S960QL in EN 10025-6 and Strenx® 960 F for S960QL1. Typical applications include demanding load-bearing structures.

Strenx® 960 E/F benefits include:

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

Dimension Range

 Strenx® 960 E is available in 4.0 - 120.0 mm thickness and 960 F in 4.0 - 100.0 mm. Strenx® 960 is 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

Thickness
(mmin)
Thickness
(mmin)
4.0 - 53.00.157 - 2.087
Yield strength Rp0.2
(min MPaksi)
960139
Tensile strength Rm
(MPaksi)
980 - 1150142 - 166
Elongation A5
(min %)
12
Thickness
(mmin)
Thickness
(mmin)
53.1 - 120.02.091 - 4.724
Yield strength Rp0.2
(min MPaksi)
850123
Tensile strength Rm
(MPaksi)
900 - 1100130 - 159
Elongation A5
(min %)
10

For transverse test pieces.

Impact Properties

Product
Product
Strenx® 960 E
Min impact energy for transversal testing,
Charpy V 10x10 mm test specimen 1)
40 J / -40 °C29 ft-lbs / -40 °F
Meet or exceed the requirements for
S960QL
Product
Product
Strenx® 960 F
Min impact energy for transversal testing,
Charpy V 10x10 mm test specimen 1)
27 J / -60 °C20 ft-lbs / -76 °F
Meet or exceed the requirements for
S960QL1

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)

C *)
(max %)
C *)
(max %)
0.20
Si *)
(max %)
0.50
Mn*)
(max %)
1.60
P
(max %)
0.020
S
(max %)
0.010
Cr*)
(max %)
0.80
Cu*)
(max %)
0.30
Ni*)
(max %)
2.0
Mo*)
(max %)
0.70
B*)
(max %)
0.005

The steel is grain refined. *) Intentional alloying elements.

Carbon Equivalent CET(CEV)

Thickness (mmin)
Thickness (mmin)
Max CET(CEV)
4.0 - 34.90.157 - 1.374
0.38 (0.58)
35.0 - 120.01.378 - 3.937
0.41 (0.67)

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.

Bendability according to Strenx® Bending Guarantee Class B.

Strenx® 960 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.

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Ready to upgrade?

Take the opportunity to improve the performance and reduce the weight of your equipment by upgrading from Strenx® 960 E/F to Strenx® 1100 E/F. The increase in yield strength by 15% allows for an equal 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.