Strenx® 650MC D/E
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General Product Description
The high-strength structural steel at 600 MPa
Strenx® 650 MC is a hot-rolled structural steel made for cold forming, with a minimum yield strength of 650 MPa for stronger and lighter structures. Strenx® 650 MC meets or exceeds the requirements of S650MC in EN 10149-2.
Typical applications include a wide range of components and parts, such as demanding load-bearing structures. Strenx 650 MC comes in coils, slit coils or cut-to-length sheets.
Dimension Range
Strenx® 650 MC is available in thicknesses of 2.00-10.00 mm and widths up to 1600 mm as coils, slit coils or cut to length sheets in lengths up to 16 meters.
Mechanical Properties
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1) If ReH is not applicable then Rp0.2 is used. On thicknesses >8 mm the minimum yield strength may be 20MPa lower.
2) A80 value applies for thicknesses < 3.00 mm
3) A5 value applies for thicknesses ≥ 3.00 mm
4) For both longitudinal and transverse direction.
The mechanical properties are tested in the longitudinal direction.
Impact Properties
Charpy V 10x10 mm test specimen 1)
Charpy V 10x10 mm test specimen 1)
1) Impact testing according to EN ISO 148-1 is performed on thicknesses ≥ 6mm. The specified minimum value corresponds to a full-size specimen.
Chemical Composition (heat analysis)
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1) If the material is to be hot-dip galvanized according to category A or category B in EN 10149-2 this must be specified at the time of order.Other galvanizing classes with higher Si-content are available after agreement.
2) Sum of Nb, V and Ti = max 0.22%.
The steel is grain refined.
Carbon Equivalent CET(CEV)
Thickness
Tolerances according to Strenx® Thickness Guarantees. Strenx® Guarantees offer considerably narrower thickness tolerances compared to EN 10 051.
Length and Width
Width and length tolerances according to SSAB standard. The SSAB standard offer narrower width and length tolerances compared to EN 10 051. Length tolerances only applyfor cut to length sheets
Shape
Tolerances according to EN 10 051. Narrower tolerances according to the SSAB standard are available on request.
Flatness
Tolerances according to Strenx® Flatness Guarantees Class A. Strenx® Flatness Guarantees offer narrower tolerances compared to EN 10 051. Flatness guarantees only applyfor cut to length sheets.
Surface Properties
Delivery Conditions
Thermomechanically Rolled. Strenx® 650 MC is available in as rolled or pickled surface condition with mill or cut edge.
Fabrication and Other Recommendations
Welding, bending and machining
Strenx® 650 MC has good welding, cold forming and cutting performance.
Strenx® 650 MC is a cold forming steel not suited for heat treatments at temperatures above 580°C since the material then may lose its guaranteed properties.
For information concerning fabrication, see SSAB´s brochures on www.ssab.com or consult our Tech Support, [email protected]. Appropriate health and safety precautions must be taken when bending, welding, cutting, grinding or otherwise working on the product.
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Ready to upgrade?
You can improve the performance and reduce the weight of your equipment by upgrading from Strenx® 650MC to Strenx® 700MC. Using a steel with 8% higher yield strength means you can increase 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.
