Thin hot-rolled strip from Salzgitter for your safety

Following the principles of DIN EN 10083, Part 3, steel grade 22MnB5 is one of the boron-alloyed quenched and tempered steels. The steel grades in this family are characterized in particular by their formability in the hot-rolled state and their high strength after the heat treatment. The strength characteristics are achieved in particular by the low portion of boron, in addition to the carbon and manganese. These steels are therefore also called "boron-alloyed steels".
 
In the hot-rolled state, the manganese-boron steels form a ferritic-pearlitic microstructure with a typical grain size of > 9 (in accordance with DIN 50602).
 
Grade 22MnB5 is delivered as hot-rolled strip (pickled, unpickled) in nominal thicknesses of 1.60 to 12.70 mm in the widths included in the Salzgitter Flachstahl product range. Particularly the thickness range from 1.60 to 2.00 mm for hot-rolled strip represents a unique selling point for Salzgitter Flachstahl. These low, hot-rolled strip thicknesses allow hot-rolled strip to substitute for cold-rolled strip, which offers SZFG customers a distinct cost advantage due to the shorter process route.
 
The combination of ductility and hardenability qualifies the manganese boron steels particularly for use in supporting body parts or safety-relevant parts in the automotive industry. Examples here are the B-pillar, side impact protection, chassis components and bumpers.
Welded precision steel tubes made of manganese-boron steels are used in the automotive industry for such areas as stabilizers, drive and gear shafts, and passive safety parts.