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xpand®

Photo xpand®

General:

This new multiphase steel generation has the term xpand® added to its name. The term xpand® is based on the Latin word expandere (= extend, expand) and stands for a guaranteed, increased capacity for hole expansion in the steel. The xpand® steels' forming characteristics are optimized by the higher hole expansion ratio and enable the manufacture of more complex component geometries. Due to the fact that xpand® steels exhibit reduced susceptibility to edge cracks, it is possible to lower the outage risk in spite of thinner sheet thicknesses.


Highlights:

Illustration function enhancement

Function enhancement

Photo cost-effectiveness

Cost-effectiveness


Photo xpand®

Customer benefits:

  • Dual Phase steels: high tensile strength and at the same time very good formability, suitable for edge forming.
  • Complex phase steel: high yield strength, low edge crack sensitivity, guaranteed high hole Expansion ratio.
  • Bainitic steels: superior fatigue properties, low edge crack sensitivity.

Steel grade VDA designation    Thickness in mm Width in mm Yield strength in MPa (longitudinal) Tensile strength in MPa (longitudinal) Guaranteed hole Expansion ratio
SZBS600xpand® - 2.00 - 6.00 900 - 1,500 480 - 5801 590 - 6701 75 %
SZBS800xpand®40 - 1.80 - 8.00 900 - 1,500 ≥6801 800 - 9801 40 %
SZBS800xpand®50 - 1.80 - 8.00 900 - 1,500 ≥6801 800 - 9801 40 %
HCT600Xxpand®+Z CR330Y590T-DP 0.50 - 3.00 900 - 1,750 340 - 420 600 - 700 50 %
HCT780Xxpand®+Z CR440Y780T-DP 0.70 - 2.50 900 - 1,800 440 - 550 780 - 900 30%
HCT780Cxpand®+Z CR570Y780T-CP 0.70 - 2.00 900 - 1,800 500 - 700 ≥780 40 %
HCT980Xxpand®+Z CR590Y980T-DP 1.00 - 2.00 900 - 1,350 600 - 750 980 - 1,130 20 %
CR650Y980T-DP 1.00 - 2.00 900 - 1,350 660 - 810 980 - 1,130 20 %
HCT980XGxpand® CR700Y980T-DP 1.00 - 2.00 900 - 1,350 700 - 850 980 - 1,130 20 %

Applications:

  • complex, safety-related components (dual phase steels)
  • components in chassis applications subjected to high dynamic loads (complex phase steels)
  • complex components in chassis applications (bainitic steels)

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Trailing arm

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Spring link

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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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