Semi-finished casting products
Semi-finished casting products are intermediate castings produced in a steel mill that need further processing before being a finished good. There are four types: ingots , blooms , billets , and slabs . [1] Contents 1 Ingot 2 Bloom 3 Billet 4 Slab 5 References 6 External links Ingot An aluminum ingot Main article: Ingot Ingots are large rough castings designed for storage and transportation. The shape usually resembles a rectangle or square with generous fillets. They are tapered, usually with the big-end-down. [2] Bloom In the era of commercial wrought iron, blooms were slag-riddled iron castings poured in a bloomery before being worked into wrought iron. In the era of commercial steel, blooms are intermediate-stage pieces of steel produced by a first pass of rolling (in a blooming mill) that works the ingots down to a smaller cross-sectional area, but still greater than 36 in 2 (230 cm 2 ). [1] Blooms are usually further processed ...