High temperature strength and toughness match! Suppression of heat checks on the molded surface and cracks in the R parts.
The "DURO series" includes mold steel that contains high-speed steel, matrix high-speed steel, and hot work die steel, with a lineup of eight steel types. Here, we introduce an example of the high toughness type hot work die steel "DURO-N1." 【Usage Example】Forming Die ■Workpiece: Wheel hub outer ring (SUJ2) ■Material Type Used: DURO-N1 ＜Conventional Material Type: SKD7 (51HRC, ion nitriding), lifespan affected by cracks＞ ■Hardness: 53HRC ■Surface Treatment: Ion Nitriding ■Lifespan (Number of Shots): 70% increase (due to cracks) ◎ Suppresses heat checks on the forming surface and cracks in the R section ◎ The high-temperature strength and toughness of DURO-N1 are well matched *For more details, please refer to the PDF document or feel free to contact us.
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【Features of DURO-N1】 ■ Superior heat resistance (softening resistance) compared to SKD61, suppressing the occurrence of heat checks. ■ Hardness of up to 55HRC can be achieved. *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Nachi-Fujikoshi contributes to the development of the manufacturing world through its machining business, including machine processing and robotics, its functional components business, including bearings and hydraulic equipment, and its materials business, including materials and heat treatment.