Molten Iron: Explanation and Study Guide

What is Molten Iron?

Molten iron refers to iron that has been heated to its melting point and has transitioned from a solid state to a liquid state. The melting point of iron is approximately 1538°C (2800°F).

Properties of Molten Iron:

• Molten iron is dense and heavy.
• It has a bright orange glow when heated to high temperatures.
• It is a good conductor of electricity and heat.
• Molten iron can be extremely corrosive to certain materials.
• It has a high viscosity, meaning it is relatively resistant to flow.

Production of Molten Iron:

Molten iron is commonly produced in a blast furnace during the process of extracting iron from iron ore. The iron ore, coke, and limestone are fed into the furnace, and hot air is blasted in from the bottom. The coke serves as a source of carbon, which reacts with the oxygen in the iron ore to release the iron metal. The molten iron is then tapped from the bottom of the furnace and cast into molds, resulting in pig iron or further refined into steel.

Uses of Molten Iron:

Molten iron is a key ingredient in the production of steel, as it is the primary component of the alloy. It is also used in the production of cast iron, which finds applications in automotive and construction industries. Additionally, molten iron can be used in certain chemical reactions and as a catalyst in various industrial processes.

Study Guide:

1. What is the melting point of iron?
2. List three properties of molten iron.
3. Describe the production process of molten iron in a blast furnace.
4. What are the primary uses of molten iron?