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Die & Tool Steel
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	Effects of Alloying

	Hardness Comparison

Home > Product Range > Die & Tool Steel

Die steel is a specific type of high-strength steel that is produced primarily for tools and machine parts. It is called die steel or tool steel because it is formed in one whole piece with a mold and then hardened. These die steels are used for common tools like screwdrivers and wrenches, and for machine parts that apply patterns or indentations onto other materials (which requires a durable metal for the stamp).

High Carbon Content

Die steels are made with a high carbon content, as a result, high carbon steel becomes more rigid and its molecules become more set when they are cooled.

Strength

While the carbon content of die steel makes it strong, die steels are also hardened after they are formed. The steel is exposed to elements that cool it while also causing its particles to form a long-lasting bond with all nearby particles, making the structure stronger as a whole. Some steels are hardened in oil, while others are air or water hardened.

Durability

To make die steel even harder and more durable, manufacturers often add additional elements such as chromium, tungsten, vanadium, manganese and molybdenum. These additional element help the die steel to resist wear in the long term, making it even more ideal for primary machine parts and tools.

Inflexibility

The additions of carbon and strengthening elements makes die steel highly inflexible. This means that it does not respond to high temperatures well after it has first been treated, and cannot be melted down and reformed the way pure steel alloys can. Die steels, like other carbon steels, are more likely to crack and split under great strain instead of bending.


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