High temperature strength is effective! Reduces heat checks and wear on the molded surface.
The "DURO series" includes mold steels that consist of high-speed steel, matrix high-speed steel, and hot work die steel, with a total lineup of 8 steel types. Here are examples of the high toughness type hot work die steel "DURO-N1." 【Usage Example】Lower Die ■Workpiece: Automotive Engine Valve (SUH35) ■Material Type Used: DURO-N1 ＜Conventional Material Type: SKD61 (53HRC, gas nitriding), lifespan due to heat checking＞ ■Hardness: 55HRC ■Surface Treatment: Gas Nitriding ■Lifespan (Number of Shots): 50% increase (heat checking, wear) ◎ Suppresses heat checking and wear on the forming surface ◎ The high-temperature strength of DURO-N1 is effective *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.