Tool Steel Offers High Hardness, Polishability

Bohler-Uddeholm’s Buderus Thruhard Supreme tool steel is designed for increased wear resistance, higher thermal conductivity for reduced cycle times, and greater texturing reliability and polishability over conventional P20 steel.

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Bohler-Uddeholm’s Buderus Thruhard Supreme tool steel is designed for increased wear resistance, higher thermal conductivity for reduced cycle times, and greater texturing reliability and polishability over conventional P20 steel. Other advantages include improved weldability and enhanced machining characteristics. Because of its consistent surface-to-core hardness, it also can be supplied at higher hardness levels of 310–355 HB, the company says.

For polishability to a very high surface finish, the company offers Uddeholm Mirrax 40 remelted stainless tool steel. Supplied prehardened to 40 HRC, this steel is produced using the electroslag remelting (ESR) process, an additional step in the steelmaking process that ensures very clean steel with low sulphur content and non-metallic inclusions. 

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