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Bainitic steel

picture of a track control arm made of bainitic steel

General:

The innovative bainitic, hot-rolled strip steels SZBS600 and SZBS800 belong to the group of multi-phase steels and are characterized by a unique microstructure architecture which results in a very homogeneous hardness distribution. This means fewer starting points for crack propagation than in conventional multi-phase steels.


Highlights:

Illustration function enhancement

Function enhancement


Overview evolution of material requirements

Customer benefits:

  • very high hole expansion ratio up to 75 %
  • low edge crack sensitivity
  • good fatigue properties
  • high yield strength

Characteristics:

SZBS600:

  • Yield strength Rp0,2 (in MPa): 480 -580
  • Tensile strength Rm (in MPa): 590 -670
  • Elongation A80 (in %): ≥161

SZBS800:

  • Yield strength Rp0,2 (in MPa): ≥680
  • Tensile strength Rm (in MPa): 800-980
  • Elongation A80 (in %): ≥101

1 to nominal thickness e ≥ 3mm applies A5.

Diagram characteristics bainitic steel

Applications:

Chassis:

Axle crossmember

Axle crossmember » more

Transverse control arm

Photo transverse control arm

Transverse control arm » more

Trailing arm

Photo trailing arm

Trailing arm » more

Toe link

Photo toe link

Toe link » more

Spring link

Photo spring control arm

Spring control arm » more

Contact person Salzgitter Flachstahl GmbH:

Thorsten Gintaut

Eisenhüttenstraße 99
38239 Salzgitter

Phone: +49 5341 21 - 26 54

gintaut.t@salzgitter-ag.de

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