Strenx performance steel

Strenx® 700 E/F

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Dimension Range

Strenx® 700 E is available in plate thicknesses of 4.0 – 160.0 mm and Strenx® 700 F is available in plate thicknesses of 4.0 - 130.0 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

Thickness
(mminches)
Thickness
(mminches)
4.0 - 53.00.157 - 2.087
Yield strength Rp0.2
(min MPaksi)
700101
Tensile strength Rm
(MPaksi)
780 - 930113 - 135
Elongation A5
(min %)
14
Thickness
(mminches)
Thickness
(mminches)
53.1 - 100.02.091 - 3.937
Yield strength Rp0.2
(min MPaksi)
65094
Tensile strength Rm
(MPaksi)
780 - 930113 - 135
Elongation A5
(min %)
14
Thickness
(mminches)
Thickness
(mminches)
100.1 - 160.03.940 - 6.299
Yield strength Rp0.2
(min MPaksi)
65094
Tensile strength Rm
(MPaksi)
710 - 900102 - 130
Elongation A5
(min %)
14

For transverse test pieces.

 

Impact Properties

Product
Product
Strenx® 700 E
Min impact energy for transversal testing,
Charpy V 10x10 mm test specimen 1)
69 J / -40 °C50 ft-lbs / -40 °F
Meet Requirements For
S690QL
Product
Product
Strenx® 700 F
Min impact energy for transversal testing,
Charpy V 10x10 mm test specimen 1)
27 J / -60 °C20 ft-lbs / -76 °F
Meet Requirements For
S690QL1

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 %)
0.60
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)

Strenx® 700 E

Thickness (mminches)
Max CET(CEV)
4.0 - 5.00.157 - 0.197
0.34 (0.48)
5.1 - 30.00.201 - 1.181
0.32 (0.49)
30.1 - 60.01.185 - 2.362
0.36 (0.52)
60.1 - 100.02.366 - 3.937
0.39 (0.58)
100.1 - 130.03.940 - 5.118
0.41 (0.67)
130.1 - 160.05.122 - 6.299
0.43 (0.73)

Strenx® 700 F

Thickness (mminches)
Max CET(CEV)
4.0 - 5.00.157 - 0.197
0.38 (0.57)
5.1 - 30.00.201 - 1.181
0.38 (0.57)
30.1 - 60.01.185 - 2.362
0.39 (0.58)
60.1 - 100.02.366 - 3.937
0.39 (0.58)
100.1 - 130.03.940 - 5.118
0.41 (0.67)
130.1 - 160.05.122 - 6.299
CET and CEV formula

Tolerances

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.

Flatness tolerances for Strenx® 700 F are guaranteed after cutting with laser, plasma or waterjet.

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.

 

Strenx® 700 E/F has bending guarantees according to Strenx® Bending Guarantees Class A. Strenx® 700 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 580ºC.

 

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.

 

Strenx® 700 E/F high-strength structural steel

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