Nippon Steel Expands Oita Works Capacity to 10 million tonnes

Nippon Steel’s Oita works held completion ceremony of no.1 blast furnace on Friday. The works completed the construction of the furnace with the world largest 5,775 cubic meters of inner volume as the no.2 furnace. The works started the new operation with 10 million tonnes of annual production capacity through the world largest twin furnaces.

Mr. Shinji Fujino, who is top manager of the works and the director of Nippon Steel, said the blast furnace becomes the world best furnace in volume, operation stability and cost. He also said the works can make annual 10 million tonnes of steel and steel products when the works started expansion for downstream operations.

The construction work was as short as 68 days due to start of the art relining technology by Nippon Steel Engineering. The works introduced new operation system, 3D-Venus to follow and analyze the real time operation in 3 dimensions style both for no.1 and no.2 furnaces.