Glossary
From Steel Making Process to Suitable Refractory Ceramics. Solicitations and Industrial Illustrations

Andalusite

Mineral species of the silicate subgroup of the nesosubsilicates, with formula Al₂SiO₅.

AOD

The AOD (Argon Oxygen Decarburization) process decarburizes stainless steels in a converter fitted with immersed side nozzles.

Bauxite

Mineral species with high alumina content consisting mainly of alumina hydrates: Al(OH)₃ (bayerite and gibbsite, monoclinic) and AlO(OH) (diaspore and boehmite, orthorhombic).

BOF (Basic Oxygen Furnace)

Top-blow converter.

Slab

Semi-finished steel product obtained by continuous casting. A parallelepipedic block of steel, weighing up to thirty tons, from which sheet or plate is rolled.

Submerged buzzard

Refractory tube positioned under the tundish and immersed in the ingot mould. The lower part of the nozzle is equipped with side openings that guide the steel...