New Mold Steel Grades Introduced

Bohler-Uddeholm Corp. showcased two new mold steels at NPE2015: ThruHard Supreme, developed by Buderus Edelstahl, and Mirrax 40, developed by Uddeholms AB.

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Bohler-Uddeholm Corp. showcased two new mold steels at NPE2015: ThruHard Supreme, developed by Buderus Edelstahl, and Mirrax 40, developed by Uddeholms AB.

ThruHard Supreme is designed to offer increased wear resistance; higher thermal conductivity for reduced cycle times; greater texturing reliability and polishability; improved weldability; and enhanced machining characteristics over conventional P20 steel. Because of its consistent surface-to-core hardness, it can be supplied at higher hardness levels of 310–355 HB than a typical P20.

Mirrax 40 is a remelted (ESR) prehardened stainless steel supplied at a hardness of 40 HRc said to offer mold users lower maintenance and production costs. The grade will maintain its finish on molds that are stored or used in humid environments, without requiring special protection.  It also resists corrosion, allowing consistent thermal conductivity for the entire life of the mold.

Uddeholm Mirrax 40 is a remelted (ESR) prehardened stainless steel supplied at a hardness of 40 HRc said to offer mold users lower maintenance and production costs. The grade will maintain its finish on molds that are stored or used in humid environments, without requiring special protection. It also resists corrosion, allowing consistent thermal conductivity for the entire life of the mold. Uddeholm Mirrax 40 is available in round and flat dimensions.