Jumbo Bloom Vertical Caster

Metallus is proud to maintain the largest continuous vertical bloom caster in North America.

Rising more than 180 feet above ground and descending 90 feet below ground for an overall height of 270 feet, our jumbo bloom vertical caster produces the largest continuous cast rectangular bloom cross sections in North America with superior internal cleanness.

Capabilities

The jumbo bloom caster makes sections of special bar quality (SBQ) steel that measure up to 18” x 24”, called “jumbo blooms,” which are later converted into bars and tubes. Products cast from the jumbo blooms serve several markets, including industrial, aerospace & defense, and energy.  

Value of the Vertical Design 

The caster’s vertical design allows for continuous casting of high-alloy grades and enables the production of uniform steel with better inclusion distribution. In addition, the caster uses an optimized tundish design and advanced clean steelmaking technology to produce high-quality steel. Its advanced operating technology also includes electromagnetic stirring, dynamic soft reduction, air-mist cooling, and thermal treatment for optimized surface quality. Fully automated to operate consistently, the caster features innovative process monitoring and control.