1. Classification

In addition to differences in product shape and properties, a certain classification has gradually developed, based on uses with widely varying requirements.

Product shape is a primary differentiating factor, with the following main categories:

• plates and sheets ;

• thin sheets ;

• beams and sections ;

• general-purpose bars and rounds ;

• concrete products: bars and wire ;

• wire rod ;

• seamless tube rounds ;

• rails and track equipment ;

• semi-finished products.

The second differentiating factor is nuances or properties. A distinction is...