Operating at a vacuum level of typically 1 to 10^-3 Pa! Materials that can be hardened with slow cooling have minimal deformation and dimensional changes.
We would like to introduce our "Vacuum Hardening and Bright Annealing" services. By heating in a vacuum atmosphere, it is possible to heat without oxidation (vacuum is an excellent atmosphere for oxidation-free heat treatment). We typically operate at a vacuum level of 1 to 10^-3 Pa. For high-alloy steels (such as SKD and SKH) with good hardenability, gas hardening is performed by injecting pressurized nitrogen gas from the surroundings, while carbon steels and low-alloy steels (which have lower hardenability) undergo oil hardening. 【Features of Vacuum Hardening】 ■ Materials that can be hardened with slow cooling experience minimal deformation and dimensional changes, and have higher impact values even at the same hardness. ■ Capable of handling small quantities and short delivery times. *For more details, please refer to the PDF document or feel free to contact us.
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**Features of Bright Annealing** - Prevents oxidation during heat treatment, achieving a surface condition similar to that before heat treatment. - Depending on the material, annealing purpose, and annealing temperature, the atmosphere is selected appropriately, such as vacuum, inert gases (N2, Ar, etc.), or reducing gases (H2, ammonia decomposition gas (H2-N2), CO gas). *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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Our company maintains high product quality primarily through a heat treatment method using salt baths (salt melting furnaces) and our unique processes and jigs. We also accommodate processing in the preceding and subsequent stages, possessing the production capacity and management capabilities to finish as completed parts. Through thorough quality control of parts and process management, we produce and manage nearly 20,000 different types.