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Dent
Resistant Steels
In
recent years weight reduction efforts have led to the decrease in the
thickness of all automotive components.
As a result, new grades of steel have been developed to resist
the tendency of thin-gage, exposed panels to permanently dent.
Palm printing and/or denting is caused by a variety of factors
such as hail, thrown stones, or out-of-control shopping carts.
Dent
resistant steels are produced in two principal grades.
These are listed below:
Dent
resistant steels are relatively new to the automotive industry.
In general, they offer a combination of formability and high
yield strength that is not attainable with low-carbon, mild steels or
conventional high-strength steels. Dent Resistant materials provide
customers with a material that is capable of reducing the severity and
number of dents
and dings found on the outer body panels of today’s cars.
These materials have the formability requirements needed to
produce most exterior applications.
The dent resistance of these exterior parts benefits from both the work and/or bake hardening
effects that are experienced during processing.
These parts include doors, deck lids, quarter panels, fenders,
hoods, and roofs. Please refer to the descriptions of each of the
different dent resistant steels for more specific information about
material properties and characteristics.
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