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Quenching Product List and Ranking from 38 Manufacturers, Suppliers and Companies | IPROS GMS

Last Updated： Aggregation Period:Feb 18, 2026～Mar 17, 2026
This ranking is based on the number of page views on our site.

Quenching Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Feb 18, 2026～Mar 17, 2026
This ranking is based on the number of page views on our site.

  1. 富士高周波工業 Osaka//Manufacturing and processing contract
  2. 横浜高周波工業 本社工場 Kanagawa//Manufacturing and processing contract
  3. 富士電子工業 Osaka//Industrial Machinery
  4. 武藤工業 Kanagawa//Manufacturing and processing contract
  5. 5 遠州熱研 Shizuoka//Manufacturing and processing contract
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Quenching Product ranking

Last Updated： Aggregation Period:Feb 18, 2026～Mar 17, 2026
This ranking is based on the number of page views on our site.

  1. High-frequency hardening 横浜高周波工業 本社工場
  2. Measures against soft zones using laser hardening 富士高周波工業
  3. Carburizing heat treatment 武藤工業
  4. [Processing Technology] Flame Hardening (Frame Hard) 遠州熱研
  5. Case study of laser hardening of convex end surfaces. 富士高周波工業

Quenching Product List

31～60 item / All 157 items

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Case of high-frequency hardening of the bottom of Φ720 gear teeth in one shot.

Case of high-frequency hardening of the bottom of Φ720 gear teeth in one shot.

Powerful heat treatment! Instant high-frequency hardening!

【Conventional Issues】 Until now, due to the material being S45C, one-tooth induction hardening was performed, which took about 5 hours for high-frequency heat treatment. To reduce heat treatment costs, a change in material was proposed (S45C ⇒ SCM440). 【Response from Fuji High Frequency】 With our 600KW high-frequency oscillator, it is now possible to perform one-shot hardening down to the tooth base, reducing the heat treatment time from the conventional 5 hours to 0.5 hours, leading to a reduction in heat treatment costs. 【Specifications】 Dimensions: M12 × 60T × 250W × φ720 Material: SCM440 Hardness: Hs60–70

  • Processing Contract
  • Quenching

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Case study of high-frequency hardening of intermediate joints.

Case study of high-frequency hardening of intermediate joints.

It is a combined heat treatment of high frequency and laser!

【Conventional Issues】 More than 90% of the areas that require hardening have chosen high-frequency quenching, but a soft zone of about 10mm inevitably occurs at joints like R. Leaving the soft zone as is may affect the product's lifespan. 【Response from Fuji High Frequency】 The area where the soft zone of about 10mm occurred was hardened using laser quenching. As a result, the risk of quality defects due to the influence of the soft zone in this product has been improved. 【Specifications】 Dimensions: φ540×1960 Material: SCMN439 Hardness: Hs60 Depth: 1.8mm

  • Processing Contract
  • Quenching

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Spindle internal gear high-frequency hardening case study

Spindle internal gear high-frequency hardening case study

High-frequency hardening can be done with internal gears!

【Conventional Issues】 When carburizing and quenching, unnecessary parts become hard, making post-processing difficult. Additionally, even when selecting high-frequency single-shot quenching to reduce costs and lead times in heat treatment, significant distortion occurs. 【Response from Fuji High Frequency】 To address these issues, we performed surface hardening of one tooth of the internal gear. By not hardening unnecessary parts, post-processing became easier, and sufficient hardened layer depth was achieved. 【Specifications】 Dimensions: MP8×100W×385L Material: S45C Hardness: Hs65 Depth: Over 2mm

  • Processing Contract
  • Quenching

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Ring guideway high-frequency hardening case study

Ring guideway high-frequency hardening case study

It is high-frequency hardening, an essential component for line equipment!

【Conventional Issues】 It was a high-frequency hardening project for the V-shaped surface of the ring's outer circumference with a short delivery time. However, due to the special shape of the hardened area, it was necessary to quickly manufacture a coil that matched the V shape. 【Response from Fuji High Frequency】 Since we manufacture coils in-house, we can produce coils and perform hardening within one and a half days. Additionally, using our long-standing expertise in bearing hardening, we can achieve low-distortion hardening through high-frequency moving hardening. 【Specifications】 Material: SUS440C Hardness: HRC55 Depth: 2.0mm or more Size: φ1109×24W

  • Processing Contract
  • Quenching

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φ150 Shaft High-Frequency Hardening Case Study

φ150 Shaft High-Frequency Hardening Case Study

Our high-frequency hardening equipment can accommodate shafts up to 4 meters in length!

【Background】 In the high-frequency hardening of a large shaft with an outer diameter of φ150 and a length of L1700, there was a request for a hardened layer depth of 3mm and to minimize distortion as much as possible after hardening. 【Response from Fuji High Frequency】 By using our unique shaft hardening method and applying high-frequency hardening, we achieved both the occurrence of distortion and a deep hardened layer depth. Additionally, this equipment can accommodate vertical hardening up to 4m. 【Specifications】 Material: S45C Hardness: HRC58 Depth: 2mm Size: φ150×L1700

  • Processing Contract
  • Quenching

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Case study of large lever high-frequency hardening

Case study of large lever high-frequency hardening

It is possible to perform high-frequency hardening on levers larger than those of a person!

【Background】 In partial quenching of large, specially shaped products, it is necessary to manufacture special-shaped coils to perform high-frequency treatment according to the drawings. Additionally, a large high-frequency quenching machine capable of handling this quenching is also required. 【Fujikou High Frequency's Response】 Our company manufactures coils in-house, so we can produce such special-shaped coils with short lead times and low costs. We also specialize in large products, and if the project can fit within our factory, we can almost always accommodate the quenching. 【Specifications】 Material: S45C Hardness: HRC58 Depth: 3mm

  • Processing Contract
  • Quenching

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Laser hardening of the hole section of the stop plate - case study

Laser hardening of the hole section of the stop plate - case study

Reduces distortion after heat treatment with laser hardening!

【Conventional Issues】 I want to harden only the groove on the outer circumference, but with conventional heat treatment, it is difficult to harden only the necessary parts, so I had no choice but to perform a full hardening. In that case, the distortion after heat treatment was significant, which was very problematic. 【Advantages of Laser Hardening】 Since it is possible to target only the areas that need to be hardened, unnecessary heat-affected zones can be eliminated, and the distortion after heat treatment can be minimized. 【Specifications】 Dimensions: Φ247×Φ237×T10 Material: SCM440 Hardness: HRC60 Depth: 0.7mm

  • Processing Contract
  • Quenching

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Case study of high-frequency hardening of large shafts.

Case study of high-frequency hardening of large shafts.

We have a high-frequency oscillator with high output capacity, so large-sized workpieces can also be subjected to high-frequency hardening!

【Background】 To perform induction hardening on a shaft with an outer diameter of φ940, a high-frequency oscillator with a large output capacity is necessary. This limits the number of companies capable of doing so even within the country. 【Response from Fuji High Frequency】 Using a large high-frequency oscillator of 6KHz×600KW makes it possible to perform induction hardening on large shafts with an outer diameter of φ940. Additionally, since a deep hardened layer is required, the frequency of 6KHz becomes important. 【Specifications】 Dimensions: φ940×850L Material: S45C Hardness: HRC58 Depth: 5mm

  • Processing Contract
  • Quenching

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Case Studies on Laser Hardening Solutions (2023) Technical Seminar Materials

Case Studies on Laser Hardening Solutions (2023) Technical Seminar Materials

For those who want to solve issues such as distortion problems in heat treatment with laser hardening.

This document is the PowerPoint material for a technical seminar hosted by our company. 【Seminar Title】 Laser Hardening Technology Seminar, 3rd Session: "Case Studies on Solving Laser Hardening Challenges" 【Content】 We will explain specific case studies on how challenges in laser hardening were addressed, detailing the points of difficulty encountered in previous heat treatments and how these were resolved through laser hardening. This seminar will be beneficial for those currently facing issues with heat treatment. 1. Company Introduction 2. Case Studies on Problem Solving 3. Conclusion 【Recommended for!】 - Those who want to learn more about the applications of laser hardening - Those who wish to study the benefits of laser hardening through case examples

  • Processing Contract
  • Quenching

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Tips for Laser Hardening Conditions (2023) Technical Seminar Materials

Tips for Laser Hardening Conditions (2023) Technical Seminar Materials

What are the important factors for determining the conditions of laser hardening? I will tell you.

This document is the PowerPoint material for a technical seminar hosted by our company. 【Seminar Title】 Laser Hardening Technology Seminar No. 4: "Tips for Setting Laser Hardening Conditions" 【Content】 In laser hardening, factors such as output and speed are related to the quality of hardening. We will explain how output and speed are connected to quality factors. This seminar is aimed at those who are looking to start utilizing laser hardening. 1. Company Introduction 2. Relationship between Parameters and Quality 3. Influence of Irradiation Angle 4. Influence of Surface Condition 5. Influence of Plate Thickness 6. Summary 【Recommended for!】 - Those who want to learn about methods for setting laser hardening conditions - Those who want to obtain technical information on laser hardening

  • Processing Contract
  • Quenching

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2023 Seminar Materials on Things That Cannot Be Done with Laser Hardening and Trouble Case Examples

2023 Seminar Materials on Things That Cannot Be Done with Laser Hardening and Trouble Case Examples

I will report honestly about the failure I experienced with laser hardening!

This document is the PowerPoint presentation for a technical seminar hosted by our company. 【Seminar Title】 Laser Hardening Technology Seminar No. 5: "What Cannot Be Done with Laser Hardening and Trouble Cases" 【Content】 It is often mistakenly believed that laser hardening can do anything. We will honestly explain the limitations due to geometric constraints and past trouble cases that have occurred. I believe this will be an interesting technical seminar for those who have some doubts about laser hardening. 1. Company Introduction 2. What Cannot Be Done with Laser Hardening 3. Laser Hardening Trouble Cases 4. Conclusion 【Recommended for the Following People!】 - Those who want to know about troubles related to laser hardening - Those who want to have a general understanding of the capabilities of laser hardening

  • Processing Contract
  • Quenching

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Frequently Asked Questions about Laser Hardening (2023) Technical Seminar Materials

Frequently Asked Questions about Laser Hardening (2023) Technical Seminar Materials

The most popular seminar! We will provide detailed answers to frequently asked questions about laser hardening!

This document is the PowerPoint material for a technical seminar hosted by our company. 【Seminar Title】 Laser Hardening Technology Seminar No. 8: "Frequently Asked Questions about Laser Hardening" 【Content】 So far, we have had discussions about laser hardening with various customers. From those discussions, we have picked out several frequently asked questions and will provide a brief explanation. This seminar will be useful for anyone who has questions about laser hardening. 1. Company Introduction 2. Common Q&A about Laser Hardening 3. Summary 【Recommended for!】 - Those who want to know a bit more about the niche aspects of laser hardening - Those who want to learn about common questions regarding laser hardening

  • Processing Contract
  • Quenching

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Seven Differences Between Laser Hardening and High-Frequency Hardening (23.10) Technical Seminar Materials

Seven Differences Between Laser Hardening and High-Frequency Hardening (23.10) Technical Seminar Materials

It's not just about the heating method; we explain the differences between laser hardening and high-frequency hardening!

This document is the PowerPoint material for a technical seminar hosted by our company. 【Seminar Title】 Laser Hardening Technology Seminar No. 2: "Seven Differences Between Laser Hardening and Induction Hardening" 【Content】 Our main business is induction hardening. We will explain the differences between laser and induction hardening from the perspective of an induction hardening specialist, divided into seven categories. This seminar is ideal for those who have the question, "The drawing specifies induction hardening, but how does it change if we use laser hardening?" 1. Company Introduction 2. Seven Differences Between Laser Hardening and Induction Hardening - Heating Method - Cooling Method - Hardening Area - Hardening Depth - Hardening Hardness - Thermal Distortion - Quality Control 3. Summary 【Recommended For!】 - Those who want to know more about partial hardening of metals - Those who want to clearly understand the differences between the two technologies

  • Processing Contract
  • Quenching

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Toyo High Frequency Industrial Co., Ltd. Company Profile

Toyo High Frequency Industrial Co., Ltd. Company Profile

I won't say "I can't" because I have a track record of continuing to take on challenges!

Toyo High Frequency Industry is dedicated to high-frequency hardening and has honed its technical skills. With 35 years of rich experience and achievements, we showcase the capabilities unique to a company specializing in high-frequency hardening. We welcome difficult materials, complex shapes, and parts that others say are impossible. Each piece is approached with serious commitment through daily technical ingenuity, which has allowed us to acquire valuable know-how. Whether it's materials that seem likely to crack after high-frequency hardening or super-large parts that need to be finished in just one day, we do not say no when others do. While this sometimes involves risks, we strive to meet your requests to the best of our ability, which is the compliance of Toyo High Frequency Industry. The technical skills we have cultivated become our greatest weapon: "confidence." 【Features】 - Led by a master craftsman president, we gladly accept technical consultations. - We receive requests from all over the country, expecting high technical skills and proposal capabilities. - Honest pricing. - The shortest delivery time possible: "same-day delivery" is achievable. → This is made possible because we produce 100% of our work coils in-house. For more details, please contact us or download our catalog.

  • Processing Contract
  • gear
  • bolt
  • Quenching

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Providing high-quality heat treatment processing with reliable management techniques.

Providing high-quality heat treatment processing with reliable management techniques.

Factory operations utilizing five ISOs. We are providing better heat treatment processing for our customers, employees, and the global environment!

Our company offers a wide range of heat treatment services for non-ferrous metals such as steel, stainless steel, and aluminum, including carburizing hardening, vacuum heat treatment, nitriding, bright annealing and tempering, and aluminum heat treatment. A number of skilled metal heat treatment technicians respond to heat treatment needs on a daily basis. We effectively utilize five ISO standards to provide better heat treatment processing for our customers, employees, and the global environment. We are currently working towards obtaining IATF16949 certification. 【ISO】 ■ISO9001: Quality Management System ■ISO14001: Environmental Management System ■JIS Q 9100: Aerospace Defense Quality Management System ■ISO45001: Occupational Health and Safety Management System ■ISO/IEC17025: Laboratory Accreditation *For more details, please refer to the PDF document or feel free to contact us.

  • Non-ferrous metals
  • Quenching

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Steel / SCM415 / Lathe machining / Carburizing and quenching

Steel / SCM415 / Lathe machining / Carburizing and quenching

Minimum half-day estimate / Carburizing and quenching treatment of shaft (iron/SCM415)

We have manufactured only two shafts. We used SCM415 steel and applied carburizing hardening. The hardness is high at HRC (Rockwell hardness) 52 or higher. Carburizing hardening is a process that hardens the surface layer to enhance wear resistance while keeping the interior soft and maintaining toughness. Since carbon is added, it is generally applied to low-carbon steel and is commonly used for components such as shafts. Additionally, our in-house quality control department is equipped with a Rockwell hardness testing machine, allowing us to deliver quality-assured products that have been checked for precise dimensions, geometric tolerances, and hardness. We specialize particularly in machining parts made of iron, aluminum, and stainless steel that are palm-sized. If you are considering a comprehensive solution from processing to hardening and polishing, please try our quotation.

  • Other machine elements
  • Quenching

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High-frequency hardening

High-frequency hardening

Localized hardening is possible! The surface of the material is hardened while maintaining toughness in the internal material.

A technical group capable of meeting all processing requests for jigs, tools, and processed parts. We would like to introduce Thermic's "technology and products." Our company offers high-frequency hardening, which allows for localized hardening, hardening the surface of the material while maintaining toughness in the internal material. We can accommodate lot sizes from 1 to 100 pieces. 【Features】 ■ High-frequency hardening ■ Localized hardening is possible ■ Hardens the surface of the material ■ Maintains toughness in the internal material *For more details, please feel free to contact us.

  • Processing Contract
  • Contract manufacturing
  • Quenching

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Introduction to Sino-Japanese Craft Technology: "Semiconductor Laser Hardening Surface Modification Technology"

Introduction to Sino-Japanese Craft Technology: "Semiconductor Laser Hardening Surface Modification Technology"

With our unique technology, the range of hardening is greatly expanded.

The principle of laser hardening involves irradiating the surface of steel components with laser light, resulting in rapid heating and self-cooling through heat conduction into the interior, transforming the surface into a martensitic structure and hardening it. 【Features】 - 3D control allows for pinpoint hardening - Partial hardening is possible for precision parts and complex shapes - Minimal thermal impact, reducing thermal distortion to a minimum - Hardening after finishing processes is possible, shortening processing time For more details, please contact us or download the catalog.

  • Processing Contract
  • Mold Design
  • Other molds
  • Quenching

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Carburizing hardening, carburizing nitriding hardening, bright hardening

Carburizing hardening, carburizing nitriding hardening, bright hardening

An easy-to-understand introduction to carburizing hardening, carburizing nitriding hardening, and bright hardening!

This is an introduction to carburizing quenching conducted by Asahi Heat Treatment Co., Ltd. When carbon steel and low alloy steel are quenched, the hardness obtained is primarily determined by the carbon content, with little influence from the added alloying elements. The higher the carbon content, the greater the quenching hardness; however, if it exceeds 0.85%, the amount of residual austenite during quenching may increase, making it difficult to achieve hardness. Carburizing quenching is applied to low carbon steel materials. For example, even if low carbon steel is quenched, the hardness obtained is around HRC20, but by diffusing carbon from the surface and increasing the surface carbon concentration, hardness of over HRC60 can be achieved. In addition, we also introduce carburizing nitriding quenching and bright quenching. [Features] - Quenching hardness is determined mainly by the carbon content. - The higher the carbon content, the greater the quenching hardness. - Carburizing quenching is applied to low carbon steel materials. - Carbon is diffused using low carbon steel materials. - A method to create materials that are hard on the surface, softer internally, and have toughness. *For more details, please refer to the PDF document or feel free to contact us.

  • Other surface treatment equipment
  • Surface treatment contract service
  • Quenching

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Regarding the handling of products in metal heat treatment processing

Regarding the handling of products in metal heat treatment processing

Careful handling by hand prevents scratches and dents! All full-time employees have obtained national qualifications as metal heat treatment technicians.

At our company, when setting the products entrusted to us by our customers into heat treatment jigs, we do so by arranging and picking them up by hand. This careful handling prevents scratches and dents. All of our full-time employees hold national qualifications as metal heat treatment specialists, and our team of professionals is dedicated to working on your products with great care. Please feel free to contact us for inquiries.

  • Heating device
  • Quenching

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Surface hardening heat treatment method "Nitriding Quenching"

Surface hardening heat treatment method "Nitriding Quenching"

Heat treatment technology that finishes thin materials firmly without distortion! Capable of short delivery times.

This is a new surface hardening heat treatment method that allows nitrogen to infiltrate and diffuse into steel, followed by quenching from the austenite state. By allowing nitrogen to infiltrate and then quenching, a surface hardness of about 850 HV can be achieved even with inexpensive SPCC materials, and it is possible to increase hardness within the range where nitrogen has diffused. The amount of distortion is about half that of carburizing nitriding quenching and only slightly larger than gas soft nitriding. The friction coefficient and seizure surface pressure are almost equivalent to those of carburizing nitriding quenching and gas soft nitriding, while the wear amount is favorable at half that of carburizing nitriding materials and one-third that of gas soft nitriding materials. 【Features】 - The surface roughness of the samples after treatment is good. - The time required for treatment can be significantly reduced to about one-third to one-fourth of that for gas soft nitriding. - It has a tempering softening resistance comparable to that of carburizing. - The amount of distortion is about half that of carburizing nitriding. - Superiority in friction and wear characteristics has been demonstrated. *For more details, please refer to the catalog or feel free to contact us.

  • Other machine elements
  • Quenching

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For gear and motor parts! Vacuum carburizing and hardening of gears. *Prototyping available.

For gear and motor parts! Vacuum carburizing and hardening of gears. *Prototyping available.

Vacuum carburizing treatment with minimal distortion *Currently recruiting for heat treatment tests and prototypes!

The "carburizing quenching" heat treatment for gears and gear wheels is characterized by minimal distortion and contamination, making it suitable for heat treatment of gears in reducers and motors. Additionally, the use of semi-hot oil results in minimal changes, making it ideal for components of FA equipment that require precision. 【Features】 ■ Capable of handling depths up to 1mm ■ Minimal changes due to the use of semi-hot oil ■ Compatible with both gas carburizing and vacuum carburizing ■ Other treatment methods can be proposed according to specifications and requests *For more details, please contact us directly.

  • Other machine elements
  • Quenching

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High-frequency hardening (sprocket subjected to high-frequency hardening)

High-frequency hardening (sprocket subjected to high-frequency hardening)

High-frequency hardening available in Wakayama Prefecture.

In Wakayama Prefecture, we conduct high-frequency hardening in-house, which is rare. We can accommodate both single items and batch orders, and we also adjust delivery times according to customer requests. We can issue hardness certification inspection reports, so please feel free to consult us when needed.

  • others
  • Quenching

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It's too late to ask now! Basic knowledge of high-frequency hardening.

It's too late to ask now! Basic knowledge of high-frequency hardening.

A clear explanation of "high-frequency hardening" compared to other hardening methods! Introducing the basic knowledge of "high-frequency hardening" that you can't ask about now.

This document introduces the basic knowledge of high-frequency hardening. In the first place, "hardening" refers to the heat treatment process of rapidly cooling metal from a high-temperature state. [Contents] ■ What is high-frequency hardening? ■ What is carburizing hardening? ■ What is laser hardening? ■ What is low-frequency hardening? ■ What are the differences between high-frequency hardening and other types of hardening? *For more details, please refer to the PDF document or feel free to contact us.

  • others
  • Quenching

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High-frequency hardening

High-frequency hardening

Rapid heating and cooling create significant compressive residual stress, enhancing fatigue strength! Introducing heat treatment that does not use fire.

"High-frequency hardening" utilizes high-frequency induction heating to rapidly heat the surface of the workpiece to the hardening temperature, followed by rapid cooling, creating a hardened layer on the surface that improves wear resistance and enhances mechanical properties. Localized heating allows for relatively easy selection of the depth of the hardened layer based on frequency. Direct heating results in good thermal efficiency and shorter working times. Please feel free to contact us when you need our services. 【Features】 ■ Good thermal efficiency and shorter working time due to direct heating ■ Localized heating allows for relatively easy selection of hardened layer depth based on frequency ■ Rapid heating and cooling processes result in minimal oxidation, decarburization, and deformation ■ Rapid heating and cooling generate significant compressive residual stress, improving fatigue strength ■ High surface hardness provides excellent wear resistance ■ Standardization and automation of work processes are easy *For more details, please refer to the related links or feel free to contact us.

  • Contract manufacturing
  • Processing Contract
  • Quenching

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High-frequency hardening

High-frequency hardening

We will also perform distortion correction after firing!

Our company performs high-frequency hardening. The target components are industrial equipment parts (especially in the automotive-related industry). We generally do not have restrictions on the shape or size of the parts. Additionally, for customers who wish, we can act as a point of contact for "overall hardening," "carburizing hardening," "vacuum hardening," and "nitriding treatment." Please feel free to contact us with your requests. 【Features】 ■ Generally, there are no restrictions on shape or size (For complex shapes, special materials, long items, and heavy parts, please consult us separately) ■ We accept orders starting from one piece *For more details, please download the PDF or feel free to contact us.

  • Processing Contract
  • Surface treatment contract service
  • Quenching

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High-frequency hardening

High-frequency hardening

Partial hardening is possible! The structure is fine, resulting in excellent ductility, toughness, and fatigue strength.

"High-frequency quenching" is a process that involves rapidly heating the surface layer, allowing carbon to dissolve into the base material, maintaining a diffusion holding time of about 1 second, and then spraying a quenching agent to perform surface hardening. This treatment is applied to quenching steels containing more than 0.25% carbon, but generally, low alloy steels such as carbon steels with about 0.4 to 0.5% carbon or Cr-Mo steels with less than 0.4% carbon are commonly used. Please feel free to contact us if you have any requests. 【Features】 ■ Partial hardening is possible ■ High surface hardness, excellent wear resistance, and fatigue strength are achieved ■ High compressive stress on the surface results in excellent fatigue strength ■ Fine microstructure provides excellent ductility, toughness, and fatigue strength ■ The uneven distribution of carbon and alloying elements before hardening tends to reflect in the hardened structure and properties *For more details, please refer to the PDF document or feel free to contact us.

  • Processing Contract
  • Quenching

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Vacuum hardening and bright annealing

Vacuum hardening and bright annealing

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.

  • Processing Contract
  • Quenching

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"Partial high-strength steel material" high-frequency hardening

"Partial high-strength steel material" high-frequency hardening

This is a steel material that achieves multiple strengths with a single bar of steel. High-frequency quenching allows for only the areas that require high strength and high durability to be treated with high strength.

In conventional heat treatment using furnaces, it was difficult to apply heat to only the necessary parts of the steel material, as heat was applied to the entire steel. However, by utilizing high-frequency induction heating (IH) to selectively high-frequency quench only a portion of the steel (enhancing strength and durability), multiple strengths have been achieved with a single steel rod. By placing high-strength sections in areas where the integrity of structures and components must be ensured, and low-strength sections in other areas, damage control and reduction of materials are possible. Using this technology and product, we have started selling high-strength rebar placed in column and beam joints that contribute to damage control of structures, reduction of rebar quantity, improved workability, and comfortable living spaces, named "Double Stark®." *In 2018, we received the "Super" Monozukuri Parts Award and the Lifestyle-Related Parts Award.

  • Steel
  • Quenching

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Surface modification technology "Laser Hardening"

Surface modification technology "Laser Hardening"

By significantly suppressing the occurrence of distortions, it is possible to shorten lead times and reduce costs.

"Laser hardening" is a new hardening technology that enables the modification of the surface layer of metal materials and localized modification, which was previously difficult to achieve. Laser light is irradiated onto the surface of the metal material, rapidly heating a thin layer of the surface. Once the laser light is no longer applied, the metal material cools rapidly due to heat diffusion and conduction into the interior. This self-cooling process forms a locally hard structure on the surface layer. 【Features】 - It is possible to improve wear resistance and extend lifespan by forming ultra-fine white martensite. - Compared to conventional heat treatment, it consumes less energy and does not require cooling oils, making it an environmentally friendly heat treatment technology. - High-precision processing using robots allows for localized hardening of complex-shaped precision parts. *For more details, please download the PDF or contact us.

  • Surface treatment contract service
  • Quenching

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