Direct Reduced Iron (DRI) is a premium ore-based metallic (OBM) raw material made by removing chemically-bound oxygen from iron oxide pellets and lump ores without melting.

Direct Reduced Iron (DRI) is high in iron content and low in copper and other undesirable metals – tramp elements – and nitrogen content. It is used to make a broad range of steel products. Its physical and chemical characteristics make it desirable for use in the electric arc furnace (EAF), blast furnace (BF), and basic oxygen furnace (BOF).

MIDREX® Plants can be designed to switch from one DRI form to another with no disruption of product flow – cold DRI (CDRI) to hot briquetted iron (HBI), CDRI to hot DRI (HDRI), or HDRI to HBI. Products can be produced simultaneously in any combination.

Raw Material

Iron Ore Pellets
Lump Ore


MIDREX Process
(Direct Reduction)

DRI Products



Electric Arc Furnace
Blast Furnace
Basic Oxygen Furnace
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