0. Industrialization of 3rd Generation high strength steels for automobile : a first step. Alain Magoariec– ArcelorMittal Global R&D BUSINESS & INNOVATION AUTOMOTIVE DAY MAY SMART HAMBACH

1. CO2 emission & gasoline consumption regulations put pressure on Car Weight reduction.
Source: Weight Reduction in Automotive Design and Manufacture ,
HIS 2012.
Source: “Aachen Body Engineering Days”, Sept DrJHillmann
Sustainable efforts of the steelmakers to innovate with new grades: Hot Press Hardened Steels & 3rd Generation AHSS for cold stamping.
These Advanced High Strength Steels match OEM’s Vehicle Safety Rules, and Cost, Manufacturability and Recyclability constraints.

2. Weight reduction compliant with safety
Vehicle crash tests
Energy absorption
Anti-intrusion
Impact on the AHSS design
Source: O. Bouaziz. Steel Research Inter. 2013
Crash force:
Anti intrusion force:
Weight reduction
potential:
Th: Steel thickness – UTS: Ultimate Tensile strength – Ys: Yield Strength
Trend: Increasing UTS & Ys strengths while keeping same formability.

3. Fortiform®980, 1050 and 1180: first 3G grades
High formability combined with high cut edge stretching resistance.
Weldability & joining facility.
H-Embrittlement resistance (delayed fracture & corrosion stress).
Formability
- 10% weigth reduction
DP600
Fortiform®980
Fortiform®1050
DP780
Fortiform®1180
DP980Y600
Strength

4. Fortiform®1050 CR/EG industrial
Material is approved by two OEMs. Part manufacturability is confirmed.
Information available on demand, and on our website

5. Conclusion
FORTIFORM® family is a major contribution to enrich ArcelorMittal current steel offer for automotive
New MS1700
New PHS2000
Fortiform®
Version europeenne 5

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