Soft nitriding treatment (Tuftride)

Processing is possible for various types of steel! It is a treatment that results in extremely little deformation compared to carburizing and conventional quenching.

Our company offers "soft nitriding treatment (Tufftriding)." This process is conducted at a lower temperature (generally between 550 and 580°C) than the transformation point temperature (the austenite transformation temperature during quenching), resulting in extremely minimal deformation compared to carburizing or conventional quenching. Unlike the phenomenon of hardening through quenching, this treatment hardens by diffusing nitrogen into the surface and forming a layer of iron nitride compounds on the surface. (This differs from the form of hardening that utilizes the transformation of steel as in quenching.) Soft nitriding aims to improve fatigue strength, wear resistance, and corrosion resistance. The finish appears gray to light gray (the color of the nitrided layer). The treatment methods include salt bath nitriding, gas nitriding, and plasma nitriding. 【Features】 ■ Soft nitriding treatment can be applied to most materials (various steel types including carbon steel, cold-rolled steel, structural steel, stainless steel, cast iron, etc.) ■ Due to salt bath nitriding, it is easy to apply to small quantities of diverse products. ■ We can also handle polishing treatment after Tufftriding in-house. ■ We can accommodate small precision parts and diverse small-batch processing with short lead times. *For more details, please refer to the external link or feel free to contact us.

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