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Steelmaking Equipment

IHI provides steelmakers with advanced blast furnaces, coke ovens, and sinter plants that contribute to the safe, economic, and environmentally friendly production of the steel products that enhance modern living. Our strip caster, the world’s first successful commercial process for direct casting of carbon steel sheet production, is a low-cost, space- and energy-saving process that reduces carbon dioxide emissions.


Industrial Furnaces

Blast furnace

Blast furnaces are the symbols of steel mills. The height of large blast furnace plants with daily output of 10,000 tons is over 100m. Since 1941, IHI has built and relined over 90 blast furnace plants, which are now playing important roles not only in Japan but also in various countries such as Australia, Korea, Brazil, and Taiwan. IHI has also supplied over 25 bell-less top charging systems for feeding raw materials into these blast furnaces.
 (© : NIPPON STEEL & SUMITOMO METAL CORPORATION)

Reheating Furnace

IHI has abundant experience supplying reheating furnaces for hot strip mill and plate mill both in domestic and overseas market since 1965. Customers enjoy energy saving through the regenerative burner technology supplied in our latest reheating furnaces.

Heat-treatment furnaces

IHI is the leading company as a supplier of the heat treatment furnace used in steel companies for the production of heavy plates. IHI has top share in the domestic market since 1958. We keep continuing to serve our customers supplying heat treatment furnace as well as roller quenching system meeting our customers’ requirement and expectation.

DC electric arc furnace

Electric arc furnaces produce steel, using scrap as raw material and have been supplied worldwide. A new furnace which significantly increases productivity by simultaneous preheating and feeding of raw material has been developed and available.


Strip Caster

Strip caster

The strip caster is a revolutionary facility which can directly produce thin carbon steel sheets thinner than 2 mm by running molten steel through twin cooling rolls. Compared to the conventional thin steel sheet mill, because the milling process is much more less, the CO2 emission is 1/5, and the energy consumption is 1/9, making it an environment friendly facility. It is able to use low-grade scrap molten steel, making it also a resource friendly facility.


Stepping Cylinder

Stepping cylinder

The stepping cylinder is a positioning cylinder with a built-in mechanical feedback function, and it controls precisely the speed and the position by electrical pulse signals.

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