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Heat Treatment×國友熱工 - List of Manufacturers, Suppliers, Companies and Products

Heat Treatment Product List

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Technical Introduction: "Vacuum Carburizing and Quenching"

Technical Introduction: "Vacuum Carburizing and Quenching"

We provide surface modification technology capable of mixed processing of various works.

Vacuum carburizing hardening is a surface hardening treatment that involves heating the workpiece under reduced pressure, allowing the necessary amount of carbon to diffuse and penetrate for the formation of the specified hardened layer, and then hardening it in cooling oil. It eliminates grain boundary oxidation and incomplete hardening structures, making it possible to improve mechanical strength. 【Features】 ■ Capable of forming a deep hardened layer in a relatively short time ■ Environmentally friendly ■ Easy to operate with simple controls *For more details, please download the PDF or feel free to contact us.

  • Processing Contract
  • Other machine elements

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Long-life technology for hot work tool steel 'FCD-H treatment'

Long-life technology for hot work tool steel 'FCD-H treatment'

Achieving a lifespan 3 to 5 times longer than conventional industrial blades! Introduction of technology for extending the lifespan of hot work tool steel.

Introducing Kunitomo Thermal Engineering's unique development technology, "FCD-H Treatment." It is resistant to thermal fatigue and reduces the occurrence of heat cracks. Since no special processes are required, it can be performed simultaneously with vacuum hardening, thereby reducing labor costs. Additionally, it achieves high durability and long lifespan for hot work tool steels. 【Features】 ■ Minimal plastic deformation ■ Strong against thermal fatigue ■ No special processes required ■ Improved wear resistance and durability *For more details, please refer to the PDF document or feel free to contact us.

  • Other surface treatment equipment

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[Case Study] Development of Special Material Quenching Technology 'DF Quench'

[Case Study] Development of Special Material Quenching Technology 'DF Quench'

Newly developed heat treatment method "DF Quench"! It has been commercialized after undergoing various mechanical tests.

Here is a case study solved by Kuniyu Thermal Engineering. For the steel materials used in seismic reinforcement hardware for large buildings, simply applying standard heat treatment was insufficient to balance the mechanical properties at a high level. Additionally, considering the carbon equivalent from the perspective of welding and construction, the available steel materials were limited, and we received a request asking if we could find a solution. Since the customer had already considered various means, our company designed a microstructure that could meet the requirements. We newly developed a heat treatment method called "DF Quench" to realize that microstructure, and after various mechanical tests, we were able to commercialize the product. [Case Study] ■ Solution Points - Improved strength of seismic reinforcement hardware for large buildings - Developed new technology that could not be solved with standard heat treatment! ■ Technology Used - Dual-phase quenching "DF Quench" *For more details, please refer to the PDF document or feel free to contact us.

  • Other surface treatment equipment
  • Surface treatment contract service

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