SI
SI
discoversearch

We've detected that you're using an ad content blocking browser plug-in or feature. Ads provide a critical source of revenue to the continued operation of Silicon Investor.  We ask that you disable ad blocking while on Silicon Investor in the best interests of our community.  If you are not using an ad blocker but are still receiving this message, make sure your browser's tracking protection is set to the 'standard' level.
Strategies & Market Trends : Commodities - The Coming Bull Market -- Ignore unavailable to you. Want to Upgrade?


To: craig crawford who wrote (144)6/6/2001 9:33:38 PM
From: craig crawford  Read Replies (1) | Respond to of 1643
 
Steel
In the face of intense competition from aluminum and plastics/composites, the steel industry is
making a major effort to retain its automotive markets by developing new lighter weight
component products. While the cast iron and zinc content of the average vehicle has dropped
substantially, the contribution of steel -- in its many forms, including galvanized, forged, hot-rolled,
bar, tubing, rod, stainless and wire -- has diminished only slightly. Continuing product
improvements, along with its low-cost, strength, formability and recyclability, are keeping
steel a primary material for automotive production. Advances such as high-strength, low-alloy
steels, hydro-formed tubing, laser welding, steel-faced honeycombs, bake-hardenable
steel and others promise to maintain steel as a viable competitor for major automotive
components for some time to come. The International Iron and Steel Institute has initiated a
worldwide consortium to develop the "lightest-possible" steel-bodied passenger car, and the
steel industry has indicated its intentions to the PNGV program to make advanced
developments with steel consistent with the program's objectives.

Aluminum
Aluminum, which has one-half the density of steel, has seen a major increase in its automotive
applications in recent years and appears likely to see expanded usage. Major current
production vehicle applications of aluminum are in the engine compartment, with numerous
models now incorporating aluminum engine blocks and/or cylinder heads, along with
aluminum pistons, which have become increasingly common. Other applications where
aluminum is making major automotive inroads are replacing steel in wheels, and as a
substitute for copper in radiators.
New applications of aluminum as a body material are also emerging, with some U.S.
production models using hoods, deck lids and other individual body parts made of aluminum.
The first all-aluminum body vehicles (in recent times) have been introduced by Japanese and
German companies in the form of two limited production models, the Acura NSX in 1990 and
the Audi A8 in 1994, which also use aluminum as the frame material. The first U.S. produced
all-aluminum body vehicle is Chrysler's Plymouth Prowler, a limited production roadster being
introduced for the 1997 model year, and a test bed for lightweight material applications.
Almost one-third of the Prowler's weight will be comprised of aluminum components,
including its frame, bumpers, brake rotors and certain suspension parts. GM's electric EV-1
also incorporates major aluminum components.
Ford, which has been a pioneer in the use of aluminum components, is conducting a field test
in Canada with a fleet of aluminum-bodied Tauruses, which weigh 400 pounds less than the
standard steel model. While new applications of aluminum as a component material continue
to be explored, and more limited production aluminum-intensive vehicles are anticipated, mass
produced all-aluminum vehicles are not currently planned because of remaining cost,
manufacturing and repair issues with this material.