Form a use standpoint, tool steels are utilized in working and shaping basic material such as metals, plastics, and wood into desired forms. Form a composition standpoint, tool steel is carbon alloy steels which are capable of being hardened and tempered. Some desirable properties of tool steel are high wear resistance and hardness, good heat resistance, and sufficient strength to work the materials. In some case, dimensional stability may be very important. Tool steel also must be economical to use and be capable of being formed or machined into desired shape for the tool.

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