| Billet | continuously cast semi-finished steel long product which is square or round in section and subsequently rolled into rod or bar used for reinforcing concrete. Though it has no precise dimensions it usually has a section diameter between 150mm and 180mm |
| Bloom | continuously cast semi finished steel long product which is square or rectangular in section and subsequently rolled into 'shaped profiles' for the building and construction industry. Though it has no precise dimensions, a bloom has a section size which ranges from 200mm square up to 450mm thick by 750mm wide |