Strenx® P700

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General Product Description

Strenx® P700 is a pressure vessel steel with minimum yield strength of 670 - 700 MPa depending on thickness.

Strenx® P700 is available in four grades, which meets or exceed the requirements of P690Q, P690QH, P690QL1 and P690QL2 in EN 10028-6.

Typical applications are demanding loadbearing structures exposed for pressure and elevated temperatures.

Dimension Range

Strenx® P700 is available as plate in thicknesses of 4.0 – 100.0 mm, widths up to 3000 mm and lengths up to 14630 mm. More detailed information on dimensions is provided in the dimension program for Strenx® P700 at www.ssab.com.

Mechanical Properties

Mechanical properties in room temperature (20°C)

Thickness (mmin)	Yield strength R_p0.2 (min MPaksi)	Tensile strength R_m (MPaksi)	Elongation A₅ (min %)
4.0 - 50.00.157 - 1.969	700101	770 - 940111 - 136	14
50.1 - 100.01.972 - 3.937	67097	770 - 940111 - 136	14

Thickness
(mmin)

4.0 - 50.00.157 - 1.969

Yield strength R_p0.2
(min MPaksi)

700101

Tensile strength R_m
(MPaksi)

770 - 940111 - 136

Elongation A₅
(min %)

Thickness
(mmin)

50.1 - 100.01.972 - 3.937

Yield strength R_p0.2
(min MPaksi)

67097

Tensile strength R_m
(MPaksi)

770 - 940111 - 136

Elongation A₅
(min %)

For transverse test pieces.

Yield strength

Guaranteed minimum yield strength R_p02, in MPa, at elevated temperature only for grade P690QH.

Thickness (mmin)	50°C	100°C	150°C	200°C	250°C	300°C
4.0 - 50.00.157 - 1.969	670	645	615	595	575	570
50.1 - 100.01.972 - 3.937	650	625	595	575	555	550

Thickness
(mmin)

4.0 - 50.00.157 - 1.969

50°C

670

100°C

645

150°C

615

200°C

595

250°C

575

300°C

570

Thickness
(mmin)

50.1 - 100.01.972 - 3.937

50°C

650

100°C

625

150°C

595

200°C

575

250°C

555

300°C

550

For transverse test pieces according to EN 10028.

If agreed at the time of inquiry and order, these values also apply to the P690QL grades with specified low temperature properties.

Impact Properties

Min impact energy for transversal testing, Charpy V 10x10 mm test specimen ¹⁾	Meet or exceed the requirements for
69 J / -20 °C50 ft-lbs / -4 °F	P690Q, P690QH
69 J / -40 °C50 ft-lbs / -40 °F	P690QL1
27 J / -60 °C20 ft-lbs / -76 °F	P690QL2

Min impact energy for transversal testing,
Charpy V 10x10 mm test specimen ¹⁾

69 J / -20 °C50 ft-lbs / -4 °F

Meet or exceed the requirements for

P690Q, P690QH

Min impact energy for transversal testing,
Charpy V 10x10 mm test specimen ¹⁾

69 J / -40 °C50 ft-lbs / -40 °F

Meet or exceed the requirements for

P690QL1

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

P690QL2

¹⁾ Unless otherwise agreed, transverse impact testing according to 10028. For thicknesses between 6.0 - 11.9 mm, sub size Charpy V-specimens are used. The specified minimum value is then proportional to the cross-sectional area of the specimen compared to a full-size specimen (10 x 10 mm).

Chemical Composition (ladle analysis)

C^*) (max %)	Si^*) (max %)	Mn^*) (max %)	P (max %)	S (max %)	Cr^*) (max %)	Ni^*) (max %)	Mo^*) (max %)	B^*) (max %)	Ti^*) (max %)	V^*) (max %)
0.20	0.80	1.70	0.020	0.005	1.50	2.5	0.70	0.005	0.05	0.12

C^*)
(max %)

0.20

Si^*)
(max %)

0.80

Mn^*)
(max %)

1.70

P
(max %)

0.020

S
(max %)

0.005

Cr^*)
(max %)

1.50

Ni^*)
(max %)

2.5

Mo^*)
(max %)

0.70

B^*)
(max %)

0.005

Ti^*)
(max %)

0.05

V^*)
(max %)

0.12

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

Carbon Equivalent CET(CEV)

Thickness (mmin)	4.0 - 30.00.157 - 1.181	30.1 - 100.01.185 - 3.937
Max CET(CEV)	0.38 (0.57)	0.39 (0.58)

Thickness (mmin)

Max CET(CEV)

4.0 - 30.00.157 - 1.181

0.38 (0.57)

30.1 - 100.01.185 - 3.937

0.39 (0.58)

Tolerances

More details are given in SSAB’s brochure Strenx® Guarantees.

Thickness

Tolerances according to EN 10029 Class B. More narrow tolerances are available on request.

Length and Width

Tolerances conform to 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.

Strenx® P700 has bending guarantees according to Strenx® Bending Guarantees Class A. Workshop guidelines for Strenx® P700 refer to the same recommendations as for Strenx® 700 E. Strenx® P700 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 580°C.

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.