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Nitriding treatment and gas nitriding treatment as surface hardening processes

Nitriding treatment and gas nitriding treatment as surface hardening processes

Enhance the surface of steel and achieve a deep and stable hardened layer! Introducing gas nitriding treatment!

"Nitriding treatment" is a surface hardening process that strengthens the surface of steel. Our company performs "gas nitriding treatment," which achieves a deep and stable hardened layer. It results in minimal thermal deformation and can significantly reduce the need for polishing. Often, it can be used without polishing. This process improves the material's fatigue resistance, and particularly, the high compressive residual stress of the nitrided layer significantly enhances the fatigue resistance of notched areas. 【Features】 - Surface hardening treatment that strengthens the surface of steel - Minimal thermal deformation, allowing for reduced polishing - High wear resistance, with almost no hardness reduction at temperatures up to 500°C - Sufficient corrosion resistance against superheated steam up to around 550°C - Low tendency for galling with counterpart materials in sliding parts - Gas nitriding has fewer environmental and health safety issues *For more details, please refer to the PDF document or feel free to contact us.

  • Surface treatment contract service
  • others

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You can understand how to choose surface hardening treatments! "Examples of gas nitriding applications."

You can understand how to choose surface hardening treatments! "Examples of gas nitriding applications."

[Presentation of Achievement List] Are you unsure about it? Solving the troubles of design engineers! Case studies categorized by industry, field, part name, material, and application of nitriding treatment.

Not sure what to choose? Solve the troubles of design engineers! Case studies of gas nitriding applications categorized by industry, part name, material, and nitriding treatment. From a list of achievements organized into three categories, you can quickly understand when to choose gas nitriding treatment. Gas nitriding, gas soft nitriding, carburizing, high-frequency hardening, thermal spraying, coating, hard chrome plating. Among various surface hardening treatments, gas nitriding has been continuously chosen for many years due to its excellent balance. We have compiled a list of the achievements of gas nitriding treatment, which boasts a high repeat rate, detailing the fields, parts, and materials for which it is selected. 【Reasons for Continued Selection】 - Compared to other surface hardening treatments, it has a lower processing temperature, resulting in less deformation. This may eliminate the need for subsequent correction processes. - Unlike methods such as coating or plating that involve adhesion, it hardens organizationally, reducing the risk of peeling. - It does not soften in high-temperature environments (around 200°C) like carburizing or high-frequency hardening. - Since it is processed in a gas atmosphere, it has less variation compared to physical hardening methods and can achieve deep hardening within the inner diameter. For more details, please download the catalog or contact us.

  • Other surface treatment equipment

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Characteristics of nitriding treatment and gas nitriding treatment as surface hardening processes.

Characteristics of nitriding treatment and gas nitriding treatment as surface hardening processes.

Surface hardening methods in heat treatment. A detailed introduction to the characteristics of each surface hardening treatment method.

Nitriding treatment is classified as one of the surface hardening methods in heat treatment. It is a process in which nitrogen diffused from the surface of steel combines with various metallic elements to form hard nitrides, thereby hardening the surface of the steel. The purpose of nitriding treatment is to improve wear resistance, fatigue resistance, corrosion resistance, and heat resistance. Here, we introduce the characteristics of nitriding treatment and gas nitriding as surface hardening treatments. 【Characteristics of Each Surface Hardening Method (Excerpt)】 ■ Nitriding Depth of hardened layer: ○ / Hardness: ○ / Fatigue resistance: ○ / Deformability: ○ / Wear resistance: ◎ / Spalling resistance: ◎ / Heat resistance: ○ / Corrosion resistance: ○ ■ Carburizing Depth of hardened layer: ◎ / Hardness: ○ / Fatigue resistance: ○ / Deformability: △ / Wear resistance: ○ / Spalling resistance: ○ / Heat resistance: △ / Corrosion resistance: △ ■ Siliconizing Depth of hardened layer: ○ / Hardness: ○ / Fatigue resistance: △ / Deformability: △ / Wear resistance: ○ / Spalling resistance: ○ / Heat resistance: ◎ / Corrosion resistance: ◎ ■ Flame Hardening Depth of hardened layer: △ / Hardness: △ / Fatigue resistance: △ / Deformability: △ / Wear resistance: ○ / Spalling resistance: ○ / Heat resistance: △ / Corrosion resistance: △ *For more details, please download the PDF or feel free to contact us.

  • Surface treatment contract service
  • Processing Contract

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The difference between gas nitriding treatment and gas soft nitriding treatment.

The difference between gas nitriding treatment and gas soft nitriding treatment.

Introduction to the differences between gas nitriding treatment and gas soft nitriding treatment.

I will introduce the differences between "gas nitriding treatment" and "gas soft nitriding treatment." "Gas nitriding method" is a technique that achieves a high-hardness diffusion layer on the surface of steel through the diffusion of active nitrogen. It is performed on parts that require higher strength and precision, and is often used for high-grade materials such as nitrided steel and die steel. On the other hand, "gas soft nitriding method" was developed as an alternative technology to salt bath nitriding during the time when environmental issues arose from salt bath nitriding. It is used for treating lower-grade materials primarily made of carbon steel. [About gas nitriding] - Material: High-grade steel (SACM, SKH, SKD, SCM, SUP) - Desired structure: Diffusion layer (compounds of Al, Cr, and N) - Depth of hardened layer: Deep (0.1 to 1.0 mm) - Surface hardness: High (HV 700 to 1300) - Treatment time: Long (25 to 200 hours) *For more details, please refer to the PDF document or feel free to contact us.

  • Surface treatment contract service
  • Special Steel

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