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Bainitic grade SZBS800

Usage

The steel grade SZBS800 features a high tensile strength of ≥ 800 MPa with sufficient elongation for forming applications. Due to its chemical composition, it offers good weldability.

Grade Tensile strength class
VDA239-100
SZBS800 HR660Y760T-CP D

Chemical composition in percent by weight [%] (Heat analysis)

Grade Plate thickness C Si Mn P S Al B Cu
max. max. max. max. max. max. min. max. max.
SZBS800 1.80 - 8.00 0.18 1.00 2.20 0.05 0.01 0.015 - 1.2 0.005 0.2

In addition, the elements Nb, V and Ti are each alloyed either individually or in combination (Nb + V + Ti ≤ 0.25 %).

Mechanical properties tensile test

1,80 - 3,00*) mm  3,01 - 8,00*) mm
Test direction ReH [MPa] Rm [MPa] A80 [%] ReH [MPa] Rm [MPa] A5 [%]
transverse min. 680 800 10 680 800 11
max. 840 980 - 840 980 -
longitudinal min. 660 760 10 660 760 12
max. 820 960 - 820 960 -

*It applies to nominal thickness e:

e < 3 mm: A80

e ≥ 3 mm: A5

 

Dimensions

Thickness [mm] Width [mm]
1,80 - 1,99 nach Vereinbarung
2,00 - 2,49 1,350
2,50 - 2,99 1,500
3,00 - 3,49 1,550
3,50 - 5,00 1,650
> 5,00 1,700

Application examples

Typical applications for making maximum use of the great tensile strength, at the same time as minimizing the weight of the component, include mobile crane construction, longitudinal beams and cross members in trucks and trailers, safety components in passenger cars and wagon building.

Executions

unpickled unpickled pickled pickled
mill edge sheared mill edge sheared
unoiled or oiled unoiled or oiled

Our material information sheet is available for download:

Contact

Salzgitter Flachstahl GmbH

Eisenhüttenstraße 99
38239 Salzgitter
Germany

Phone: +49 5341 21-01
Fax:     +49 5341 21-2727

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