Manganese is fused with iron to make steel. What properties does manganese confer to steel ?

Manganese is added to steel primarily for its ability to improve the strength, hardness, and toughness of the steel. Some of the properties that manganese confers to steel include:

1. Increased strength: Manganese enhances the strength of steel by forming solid solutions with iron, which helps in increasing the tensile strength and overall durability of the steel.

2. Improved hardenability: Manganese aids in improving the hardenability of steel, which refers to the ability of steel to be hardened by heat treatment. This property is crucial for achieving the desired hardness and strength in various steel applications.

3. Enhanced toughness: Manganese increases the toughness of steel, making it more resistant to fractures and impacts. This property is particularly important in applications where the steel is subjected to heavy loads or impacts, such as construction equipment or automotive parts.

4. Better workability: Manganese improves the workability of steel, making it easier to shape, form, and weld. It reduces the brittleness of steel, allowing for better machinability and weldability.

5. Corrosion resistance: Manganese also contributes to the corrosion resistance of steel. It forms a protective oxide layer on the surface of the steel, which helps in preventing rust and corrosion, thereby increasing the lifespan of the steel.

Overall, the addition of manganese to steel enhances its mechanical properties, making it stronger, tougher, and more resistant to wear and tear.