Strenx® 700 product group

Strenx® 700 is a group of structural steels with a minimum yield strength between 650 and 700 MPa (94-101 ksi) depending on thickness.

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SUITABLE APPLICATIONS
Wide range of load-bearing structures

TYPE OF PRODUCTS
Plate, sheet, coil and slit coil

THICKNESS RANGE
0.7-160 mm (0.028”-6.299”)

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A wide range of high-strength steel for high-demanding structures

STRENX^® 700 E

Typical applications include demanding load-bearing structures.

Impact toughness: 69 J at -40°C (51 ft-lb at -40°F)
Plate: 4-160 mm (0.157”-6.299”)
Standard: EN 10025-6 S690QL Impact test at -40°C (-40°F)
Format: Plate

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STRENX^® 700MC D

Typical applications include demanding load-bearing structures.

Impact toughness: 40 J at -20°C (30 ft-lb at -4°F)
Hot rolled strip: 2-10 mm (0.079”-0.393”)
Standard: EN 10149-2 S700MC Impact test at -20°C (-4°F)
Format: Sheet, coil and slit coil

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STRENX^® 700MC E

Typical applications include demanding load-bearing structures in cold conditions.

Impact toughness: 27 J at -40°C (20 ft-lb at -40°F)
Hot rolled strip: 2-10 mm (0.079”-0.393”)
Standard: EN 10149-2 S700MC Impact test at -40°C (-40°F)
Format: Sheet, coil and slit coil

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STRENX^® 700 F

For demanding load-bearing structures in cold and extreme conditions.

Impact toughness: 27 J at -60°C (20 ft-lb at -76°F)
Plate: 4-130 mm (0.157”-5.118”)
Standard: EN 10025-6 S690QL1 Impact test at -60°C (-76°F)
Format: Plate

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STRENX^® 700MC PLUS

High-strength structural steel with advanced cold formability and impact toughness for highly demanding applications.

Impact toughness: 40 J at -60°C (30 ft-lb at -76°F)
Hot rolled strip: 3-12 mm (0.079”-0.393”)
Standard: EN 10149-2 S700MC Impact test at -60°C (-76°F)
Format: Sheet

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STRENX^® 700 OME

A structural steel developed for use in demanding load-bearing structures within the offshore and marine Industry.

Impact toughness: 69 J at -40°C (51 ft-lb at -40°F)
Plate: 4-130 mm (0.157” -5.118”)
Standard: EN 10025-6 S690QL Impact test at -40°C
Format: Plate

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STRENX^® P700

Typical applications are demanding load-bearing structures exposed for pressure and elevated temperatures.

Plate: 4-100 mm (0.157”-3.937”)
Standard: EN 10 028-6 P690Q, P690QH, P690QL1 and P690QL2
Format: Plate

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STRENX^® 700 CR

Typical applications include a wide range of components and parts, for example load-bearing structures.

Cold rolled strip: 0.7-2.1 mm (0.028”-0.083”)
Standard: SSAB specification
Format: Sheet, coil and slit coil

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STRENX^® 700 CR W

Strenx^® 700 CR W is a cold-rolled weathering steel with a minimum yield strength of 700 MPa, for the lightest load-bearing structures.

Cold rolled strip: 0.7 - 2.1 mm (0.028”-0.083”)
Standard: SSAB specification
Format: Sheet, coil, and slit coil

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STRENX^® 700 HR W

For weather-resistant structures in transport, lifting and other load-bearing applications.

Impact toughness: 40 J at -20°C (30 ft-lb at -4°F)
Hot rolled strip: 3.0-6.1 mm (0.079”-0.240”)
Standard: EN 10149-2 S700MC
Format: Hot-rolled Strip

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Strenx® 700 takes performance above and beyond

Yield strength of 700 MPa (101 ksi) and above is the new normal when designing high-strength steel. If you are using a lower strength steel, your products are probably not living up to their potential.

Upgrading to a steel with higher yield strength leaves room for more high performing designs with increased load-bearing capacity. The stresses can be higher which allows for the use of thinner steel. This adds several advantages:

Depending on the starting point, designers can cut up to 40% weight of steel structures – and still increase the fatigue life.
If the parts are welded, welding time and the amount of welding consumables will be significantly reduced.

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Typical upgrading benefits

Strenx^® 700MC is commonly used in lightweight solutions for trailer chassis. Upgrading a trailer chassis from a 350-grade using Strenx^® 700MC typically generates a weight reduction of about 30% for the chassis structural parts. Depending on the chassis design, the weight reduction potential may be even higher, up to 50%. Strenx^® 700MC meets or exceeds the EN 10149-2 standard for S700MC steels.

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Schematic illustration of steel beams of different sizes.

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	Original design a)	Lightweight design b)	Lightweight design c)
Steel Grade	S355	Strenx^® 700MC	Strenx^® 700MC
Weight, m [kg/m]	42	27	30
Bending Moment Capasity, M [kNm]	286	306	369
Moment of Inertia, I [m⁴]	140E-06	93E-06	140E-06
Section Modulus, W [m³]	72E-05	46E-05	58E-05
Weight Reduction, WR [%]	-	36	30

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CUSTOMER CASE

Innovative crane design for extreme durability

Crane design often involves a compromise between weight and durability. Strenx^® 700MC Plus made it possible for Kesla to design a lighter crane without compromising its durability. The material has a high toughness at temperatures as low as -60°C (-76°F) – making the crane reliable and safe even in harsh locations like Siberia.

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Made for predictable performance in the workshop

Welding

Strenx^® 700 can be welded using any conventional welding method. MAG welding is the most common technique today, since it is very easy to automate for high productivity.

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Machining

Strenx^® 700 can usually be machined without special equipment. Stable machinery fitted with high-speed steel and carbide tools is recommended when drilling, countersinking, tapping, turning and milling.

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Bending

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A laser cutting head cuts a plate of Strenx steel.

Thermal cutting

Free bending and roll bending of Strenx^® steel plate and strip can be done using standard bending machinery. Uniform properties, close thickness tolerances and high surface quality ensure a predictable bending process.

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Handling a piece of Strenx structural steel before placing it in a cutting machine.

Mechanical cutting

Mechanical cutting of Strenx^® 700 is best performed with guillotine shears. Consider carefully the settings of the cutting machine. The most important factors are clearance, cutting angle and blade hardness. The plate should be allowed to warm up thoroughly to around +20°C (68°F) before it is cut.

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Strenx® guarantees

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Strenx® 700 products and thicknesses

Strenx^® 700 standard products	Thickness range [mm]			Conform to standard	Formats	Typical products manufactured with Strenx^®
Strenx^® 700 standard products	Plate	Hot rolled strip	Cold rolled strip	Conform to standard	Formats	Typical products manufactured with Strenx^®
Strenx^® 700 E	4-160	---	---	EN 10025-6 S690QL Impact test at -40°C	Plates	Demanding load-bearing structures
Strenx^® 700 F	4-130	---	---	EN 10025-6 S690QL1 Impact test at -60°C	Plates	Demanding load-bearing structures in cold and extreme conditions
Strenx^® 700 OME	4-130	---	---	EN 10025-6 S690QL Impact test at -40°C	Plates	Demanding load-bearing structures within the Offshore and Marine Industry
Strenx^® 700MC D	---	2-10	---	EN 10149-2 S700MC Impact test at -20°C	Sheets, Coils & Slit coils	Wide range of structures
Strenx^® 700MC E	---	2-10	---	EN 10149-2 S700MC Impact test at -40°C	Sheets, Coils & Slit coils	Wide range of structures
Strenx^® 700MC Plus	---	3-12	---	EN 10149-2 S700MC Impact test at -60°C	Sheets	Structures requiring extreme formability and impact toughness
Strenx^® 700 CR	---	---	0.7-2.1	SSAB specification	Sheets, Coils & Slit coils	Wide range of structures
Strenx^® P700	4-100	---	---	EN 10028-6 P690Q, P690QH, P690QL1, P690QL2	Plates	Pressure vessel steel that is used for demanding loadbearing structures exposed to pressure and elevated temperatures
Strenx^® 700 CR W	---	---	0.7-2.1	SSAB specification	Sheets, Coils & Slit coils	The lightest load-bearing structures.
Strenx^® 700 HR W	---	3.0-6.1	---	EN 10149-2 S700MC, Impact test at -20°C	Sheets, Coils & Slit coils	Weather-resistant structures in transport, lifting and other load-bearing applications.