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Low-Carbon Steels

Low-Carbon Steels


Low-Carbon Steels are produced in four principal qualities for automotive applications.  The qualities listed below are organized by formability levels with the last category being the most formable:
Commercial Steel (CS) Type B
Drawing Steel (DS) Type B
Deep- Drawing Steel (DDS)
Extra Deep-Drawing Steel (EDDS)

In addition to being cost effective, low-carbon steels have a wide range of key forming characteristics.  As a result, these steels can be used for almost any automotive part – from small, flat parts (brackets) to large, deep drawn parts (floor pans).  Also, this material can be made for either exposed or unexposed applications.

The low carbon content found in these mild steels will perform well with typical automotive welding techniques, but the relatively low yield strength, as compared to other steels, may limit its usefulness where dent resistance is important.  Finally, high-strength steels and/or advanced high-strength steels should be considered for crash-sensitive parts because they perform better with respect to crash energy management. Due to its versatility and low cost, low-carbon steel is an effective material for most automotive applications. 

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