Steel providing solutions to OEMs challenges - Philippe Aubron, CMO Automotive 18 September 2013 - Metal Bulletin
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Steel providing solutions to OEMs challenges Philippe Aubron, CMO Automotive 18 September 2013
Global regulation remains stringent ArcelorMittal
meeting these challenges
3) Beyond 2017
1) Industry-wide 2) S-in motion New breakthrough
initiatives (ArcelorMittal) ArcelorMittal solutions
Regulation is evolving in automotive
industry.
I II III
Grams CO2 /Km (Equivalent)
280
260
OEMs’ main actions to meet 240
challenges: 220
200 Australia
• Weight reduction: Affordable and 180
safe 160
• Conventional powertrain vehicles 140 China
120
• Electric and hybrid vehicles 100 USA
• Productivity: Global platforms 80
Europe
Japan
60
2003 2006 2009 2012 2015 2018 2021 2024 2027 2030
Source: International Council on Clean Transportation
ArcelorMittal continues to respond to demanding regulations
offering affordable and safe lightweight solutions
ArcelorMittal - Présentation to 28th International Aluminium Conference - Geneva
1
Through innovation, steel remains material of choice
I II III
Usibor® 1500P:
first serial use of
hot stamping of Generation 3: AHSS solutions
coated boron
steels, patented Generation 2: TWIP, X-IP
by ArcelorMittal
Generation 1, phase 3: Usibor® for hot stamping
Generation 1, phase 2 AHSS: Dual Phase, TRIP Steels, Martensitic etc.
Generation 1, phase 1: HSLA, HSS
1990 2008 2010 2012 2017
Contribution to S-in motion
ULSAB/ULSAC ArcelorMittal’s S-in motion
demonstrates electric vehicles
industry-wide ABC lightweight
lightweight effort project the potential
of AHSS
ArcelorMittal’s leadership as solution provider recognized by EU/ North America OEMs
ArcelorMittal - Présentation to 28th International Aluminium Conference - Geneva
2
S-in motion
• BIW & closures → 57 kg weight saving at
neutral cost
• 16kg weight saving for chassis
components
• More than 6.2 g/km CO2 reduction in
greenhouse gas emissions during the use Possible PHS
phase of the whole vehicle applications
• Catalogue of solutions for worldwide
requirements:
– More than 70 solutions for single parts
– More than 18 solutions for the 5 modules
– At lower cost Lightest EU vehicle weight BIW breakdown
– 29 parts with press hardened steel
– 16 parts with laser welded blanks
• Roll-out at all customers through
ArcelorMittal worldwide customer teams
Tensile strength values
ArcelorMittal - Présentation to 28th International Aluminium Conference - Geneva 3
S-in motion weight savings promote
innovative solutions
• For the lightest Body-in-White concept: 16 parts are made with laser welded blanks
Usibor®/Ductibor®
• 35% of S-in motion solutions include Laser Welded Blanks (LWBs)
• LWBs offer the most effective way to optimize part weight and crash performances
LWB
Ductibor® 500P / Usibor® 1500P
4
LWB
ArcelorMittal - Présentation to 28thUsibor
® 1500P / Usibor® 1500P
International Aluminium Conference - Geneva *PHS= Press Hardening Steel 4
Lightweight steel door “Mid term”
1. Door inner
12.0 kg Inner: Laser welded blank 0.8mm / 0.5mm "DC05"
with or without improved formability
Front frame reinforcement: DP450 1.1mm
Weight: - 6,3 kg (- 34%)
Rear frame reinforcement: DP450 0.6mm
2. Waist Beam
Beam : MS1500 0.9mm
Closing plate: DP780 0.5mm
3. Stiffener & door beam
Waistline stiffener: HSLA300 0.8mm
Door beam: Usibor 2000 1.1mm
Tensile strength values
5. Front side reinforcements
4. Panel
Upper hinge reinforcement: Usibor 1500P 1.5mm
Lower hinge reinforcement: Usibor 1500P 2mm Door outer panel: 0.5mm FF280DP
Rear view mirror rft: HSLA380 1.1mm or improved YS steel grade *
* According to Dent Resistance requirements
ArcelorMittal - Présentation to 28th International Aluminium Conference - Geneva
S-in motion: To get further weight saving
• Increase of mechanical properties
• Decrease of ρ
• Increase of Young modulus
• Usibor2000:
– Increase of mechanical properties
– Decrease of ρ
– From process point of view: to be able to handle
a hot blank with lowest limit 0.80mm
• Ductibor 1000:
– Increase of mechanical properties
– Decrease of ρ
• FeTiB2:
– Decrease of ρ
– Increase of Young modulus
Potential of additionnal weight saving: 21 kg
ArcelorMittal - Présentation to 28th International Aluminium Conference - Geneva
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