These steels for stamping said high formability (HF) should allow the cold world's largest steelmaker and its competitors, who are developing similar products to maintain their positions in the match between them and the manufacturers of lighter materials but more expensive as aluminum or carbon .
"They will replace the high-strength steels appeared there fifteen years by providing 10-20 % of additional relief at neutral cost for manufacturers ," said reporters Jean -Luc Thirion, director of automotive research and development within the group .
These new lines developed Maizières -lès- Metz ( Moselle ), the main research center of the group, and Chicago, the United States , will be produced in Ghent and Liège for Europe as well as Brazil and China.
The high-strength steels are strategic for builders who must reduce their vehicles to reduce fuel consumption and comply with emission standards that will cross a new threshold down in 2021 in the European Union.
" The high-strength steels comprise 10% of the consumption of automotive steel . It goes to 35 % around 2020 to 2025 ," said Jean -Luc Thirion .
Steels for hot stamping , designed for rigid parts , which Usibor flagship product ArcelorMittal (1 million tonnes per year ) which exits including plant Florange , should represent a little more than two thirds , steel with high elasticity remaining .
New HF steels were obtained by playing both the steel structure , studied at the atomic level in laboratories Maizières -lès- Metz, on the manufacturing process .
Often quoted in the European press in recent years to site closures or shutdowns installation , ArcelorMittal wants to remind his desire to remain the world leader in steel by investing in research and innovation.
This new technology requires an annual budget of € 200 million and 1,300 researchers, including 800 in France .
After suffering a dip in 2011-2012 , the numbers are starting to rebound from last year.
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