Hilgefort produced a reduction furnace shell using 20 mm-thick sheet metal with a total weight of 120 tons for a new steel works in the USA. The shell has a diameter of 10 m and a height of 5.30 m. The lining for the reduction furnace shell was prepared at the steel works.
It was produced in five individual parts, assembled as a test-run in the hall, painted and correctly packaged for transport by road to the nearest seaport and subsequent overseas shipping. Assembly in the USA was supervised by Hilgefort engineers.