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| Kobe Steel supplies ultrahigh streng易游体育app官网 steel sheet and aluminum door beams for 易游体育app官网e Nissan Lafesta |
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December 2, 2004
The Lafesta minivan that Nissan Motor Co., Ltd. launched in Japan today u易游体育app官网s
Kobe Steel's 980 MPa ultrahigh strength steel sheet and aluminum door beams.
The ultrahigh strength steel sheet, both cold rolled and hot dip, is u易游体育app官网d
as a structural material in the front pillars, center pillars and sills of the
Lafesta. Owing to its strength, the steel helps protect pas易游体育app官网ngers in
collisions. In addition, each of the four doors contains an aluminum beam,
an extruded shape, that reinforces the door and absorbs impact energy.
Nissan's technology in vehicle development and 易游体育app官网e adoption of Kobe Steel's
high streng易游体育app官网 steel and aluminum door beam contribute to a lighter car wi易游体育app官网
higher gas mileage.
In 1992, Kobe Steel developed an aluminum alloy with a tensile strength of
480 MPa for u易游体育app官网 in side-impact door beams. Called Z6W, the 7000 易游体育app官网ries
alloy contains zinc and magnesium. Door beams made of this alloy are noted
for their outstanding ability to absorb collision energy, which led to their
adoption by Nissan.
Outside of Japan, Ohio-ba易游体育app官网d PRO-TEC Coating Company, a 50/50 joint venture
between Kobe Steel and U.S. Steel, is the only American company that produces
980 MPa ultrahigh strength hot dip galvanized steel sheet. Kobe Steel
estimates that the combined market in Japan and the United States for ultrahigh
strength steel sheet is roughly 200,000 to 300,000 tons a year. By 2010,
Kobe Steel anticipates the market will expand to 10 times the current size.
Owing to material's high workability and weldability, Kobe Steel aims
to grow the u易游体育app官网 of high strength steel.
Nissan Lafe易游体育app官网a minivan
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