Molybdenum

Molybdenum is a very solid and tough transition metal and has a silvery white gloss. For many centuries the metal was confused with lead because of its great similarity. Today molybdenum is mainly used as an alloying element, but is also applied in other industries.

Wulfenite | Molybdenum-lead ore

In steel production, molybdenum is usually alloyed with other elements such as nickel, chromium and manganese. As an alloying element, it is very important for steel production, as it transfers its properties well to the products. High-strength, corrosion- and heat-resistant steels are achieved, but also acid-resistant rustproof steels.

Der Einfluss von Molybdän auf die mechanischen Eigenschaften von Stahl:

Property Influence Degree
Rust resistance no bearing 0
Hardness Improvement + 1
Strength Improvement + 1
Yield strength Improvement + 1
Elasticity no bearing 0
Heat resistance Improvement + 2
Carbide formation Improvement + 3
Wear resistance Improvement + 2
Nitratability Improvement + 2
Strain Decrease - 1
Reduction of area Decrease - 1
Notched Impact Strength Improvement + 1
Forgeability Decrease - 1
Scaling Improvement + 2
Machinability Decrease - 1

Trivia

Molybdenum is an essential trace element for all organisms, because it is needed for enzyme formation. It is also very important for plants, because it helps to bind nitrogen and decrease nitrate in the area around the roots.

See also

Aluminium

Aluminium can be formed and machined extremely well. It is particularly suitable for lightweight constructions.

Read more
Bauxite

Here you can find out why aluminium was discovered so late and how aluminium can be produced.

Read more
Carbon

The carbon concentration influences the hardness of steels. In this way, the right steel can be found for every application.

Read more

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