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A semi-finished long product of greater than 150 mm square or rectangular cross-section. Blooms can be produced by continuous casting or by rolling from ingot. Continuously cast rounds of 300mm diameter or greater are also referred to as blooms
Square Bloom, rectangular bloom
Blooms are similar to billets except the cross-sectional area is greater than 36 sq in (230 cm2). Blooms are usually further processed via rotary piercing, structural shape rolling and profile rolling. Common final products include structural shapes, rails, rods, and seamless pipes.
