This type of steel is characterised by a fine-grained microstructure, a high degree of chemical purity and a low sulphur and carbon content. In addition, the material undergoes a thermomechanical lamination (M) or normalising (N) process. The combination of these characteristics gives these products high ductility, guaranteeing high yield strength and mechanical strength. Compared to construction steels, they allow for lower bending radii in cold working.

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These steels are characterised by maximum yield strengths and tensile strengths and guaranteed minimum elongation. They are classified in increasing order of formability and can therefore be used in a range of cold working, from the least critical mouldings (DD11) to extra deep drawing (DD14).

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This range of steels provides good ductility with guaranteed minimum yield strengths and tensile strengths; suitable for a wide variety of applications.

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