Looking for Iron Metal? Indian Stalwart Global Sourcing Company is the best solution for your procurement requirements.

Iron is a metallic chemical element with the symbol Fe and atomic number 26. It's the most abundant metal on Earth by mass in the crust and core, known for its strength, magnetism, and role in steel production.

Key Properties :

Pure iron appears silvery-white, lustrous, ductile, and malleable, with a high melting point of around 1538°C. It's ferromagnetic, easily magnetized, and prone to rusting (oxidation) in moist air.

Production Process :

Iron is mainly extracted from ores like hematite (Fe₂O₃) or magnetite (Fe₃O₄) in blast furnaces using coke and limestone to reduce oxides to molten pig iron. This pig iron, with about 3-4% carbon, is refined into steel by removing impurities and adding alloys.

Banded iron formations like this outcrop represent ancient deposits central to global iron supply.

Iron extraction in a blast furnace involves smelting iron ore (mainly hematite, Fe₂O₃) using coke and limestone at high temperatures to produce molten pig iron.

Raw Materials :

Iron ore, coke (carbon source for fuel and reduction), and limestone (CaCO₃, as flux) are crushed and fed alternately into the top of the furnace. Hot air (around 1200°C) is blasted in from the bottom via tuyeres.

Key Reactions :

Blast furnace cross-section detailing the chemical reactions, inputs, temperature zones, material flow, and outputs involved in iron production.

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Process Zones :

Materials descend through temperature gradients (top: 500 K, bottom: 2000 K). Slag floats atop molten iron (density separates them); both tapped from bottom—slag discarded, iron cast into pigs.

Molten iron from the blast furnace, known as pig iron, contains about 3-4% carbon plus impurities like silicon, sulfur, and phosphorus.

Tapping and Separation :

Slag floats on top and is tapped off first for disposal or use in construction (e.g., road-making or cement). The denser molten iron is then tapped from the bottom into ladles or molds.

Initial Processing :

Pig iron is often cast into ingots called "pigs" for transport and storage. Most goes directly to steelmaking converters (e.g., Basic Oxygen Process) where oxygen blows out excess carbon and impurities, yielding steel with ~1% carbon.

Further Refining :

In processes like the Bessemer converter or electric arc furnaces, alloys (e.g., manganese, chromium) are added for desired properties. The resulting steel is cast into billets, slabs, or sheets for manufacturing.