Heat Treatment Product List and Ranking from 11 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Nov 19, 2025～Dec 16, 2025
This ranking is based on the number of page views on our site.

Heat Treatment Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Nov 19, 2025～Dec 16, 2025
This ranking is based on the number of page views on our site.

  1. メイネツ Aichi//others
  2. ネツレン　高周波熱錬 Tokyo//Building materials, supplies and fixtures manufacturers
  3. シリコロイラボ Hyogo//Building materials, supplies and fixtures manufacturers
  4. 4 ベンカン機工 Tokyo//Building materials, supplies and fixtures manufacturers
  5. 4 第一熱処理工業 Chiba//others
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Heat Treatment Product ranking

Last Updated： Aggregation Period:Nov 19, 2025～Dec 16, 2025
This ranking is based on the number of page views on our site.

  1. Various heat treatments, surface treatments, and coatings メイネツ
  2. Coloring technique using salt bath heat treatment. メイネツ
  3. Introducing a continuous hydrogen furnace! Bright heat treatment with hydrogen reduction power *Free trial available! メイネツ
  4. Pipe IH heat treatment + partial thin-walled processing "Netsuren Batted" ネツレン　高周波熱錬
  5. 4 [VA Case] Common Rail for Marine Diesel Engines 第一熱処理工業

Heat Treatment Product List

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[VA Case] Common Rail for Marine Diesel Engines

[VA Case] Common Rail for Marine Diesel Engines

Acquisition of patents through joint development with users! Machining implemented using BTA glasses hole processing!

We would like to introduce the VA case of "Common Rail for Marine Diesel Engines" by Daiichi Heat Treatment Industry Co., Ltd. We handle everything from material procurement to consistent manufacturing, ensuring a robust quality assurance system. Additionally, we achieve significant cost reductions through material changes via deep hardening in a barrel furnace. 【Benefits】 ■ Material Procurement - 5% reduction in intermediate margins - Approximately 50% reduction in material costs ■ Heat Treatment - Shortened delivery times by omitting straightening and annealing processes ■ Machining - Establishment of new technologies through joint development with users - Reduction in transportation costs *For more details, please refer to the PDF document or feel free to contact us.

  • Air compressors, blowers and pumps

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Vacuum Heat Treatment

Vacuum Heat Treatment

Vacuum heat treatment that accommodates small lot products and special conditions, processing in furnaces tailored to customer needs!

Meinetsu's "Vacuum Heat Treatment" features four vacuum furnaces, offering a variety of types that can accommodate customer needs. We have low vacuum to high vacuum types, as well as small to large sizes, allowing us to handle not only small sizes and small quantities but also stress relief and bright annealing for relatively large press products. If you have requests for jig sets, heavy items, or long items up to 1600mm, please feel free to consult with us. 【Features】 ■ Stress relief annealing ■ Magnetic annealing ■ Bright annealing ■ Solid solution treatment for stainless steel ■ Aging treatment

  • others

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[Presentation of Materials] Solve your heat treatment issues with salt bath heat treatment!

[Presentation of Materials] Solve your heat treatment issues with salt bath heat treatment!

We will introduce a case where issues such as distortion, hardness defects, and unevenness that often occur during vacuum hardening were resolved using salt bath heat treatment.

Meinetsu handles various heat treatments, accommodating everything from heat treatment and surface treatment to various coatings according to their applications. Additionally, our strength lies in our ability to respond broadly, from a minimum of one piece to mass production in the millions. In this document, we introduce case studies that address common concerns regarding heat treatment, solved using salt bath heat treatment. 【Case studies available in the document】 ■ Want to reduce or eliminate distortion ■ Need hardening hardness ■ Want to extend lifespan 【Treatments available at Meinetsu】 Gas soft nitriding / Salt bath heat treatment (quenching and tempering, carburizing quenching and tempering) / Vacuum heat treatment / Deep drawing press products / Various surface treatments

  • others

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New technology: High Cp high-speed carburizing method

New technology: High Cp high-speed carburizing method

This is a method to improve carburizing efficiency by combining the composition of carburizing gas with carbon transfer rates and other factors.

Compared to the conventional gas carburizing method, the carburizing time can be shortened, leading to improved processing capacity per hour and enhanced efficiency in terms of quality. Our "High Cp High-Speed Carburizing Method" simultaneously achieves improvements in processing capacity and quality. It demonstrates its effectiveness in reducing the weight of wear-resistant components and enhancing their high strength.

  • Steel
  • others

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[Helpful Resource Provided] Metal Heat Treatment Guide

[Helpful Resource Provided] Metal Heat Treatment Guide

Introduction to metal heat treatment such as "high-frequency hardening" and "shot peening"!

"Heat treatment" is a method to enhance the quality of materials, similar to shape processing, and refers to the treatment that changes the properties of materials through heating and cooling. It involves heating and cooling metals and other materials to alter their hardness and properties. This includes processes such as "quenching," "high-frequency quenching," "shot peening," and "surface treatment," which are all part of metal heat treatment. 【Metal Heat Treatment (Excerpt)】 ■ What is heat treatment ■ Quenching ■ Tempering ■ Annealing ■ Normalizing *For more details, please refer to the external link page or feel free to contact us.

  • others

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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 specialists.

At our company, when setting the products entrusted to us by our customers into heat treatment jigs, we do so by arranging and retrieving them 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 at any time.

  • Steel

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Surface heat treatment "Carburizing quenching"

Surface heat treatment "Carburizing quenching"

The shaft shape has a proven track record! It has minimal deformation and dimensional changes, achieving high strength and excellent wear resistance.

Our company specializes in carburizing and quenching for a wide variety of products, from small quantities to automotive and construction machinery parts. Among these, we are involved in the mass production of shafts for a certain automotive manufacturer and a certain construction machinery manufacturer, and we have numerous achievements in this area. 【Features】 - We have five furnaces with sizes of 600mm x 600mm x 1200mm. - We handle shaft shapes that may be prone to deformation. We have experience with mass-produced shafts measuring 140mm in length. - We can accommodate a wide range of carburizing depths from 0.2mm to over 1.0mm. If you have any concerns regarding carburizing and quenching, please feel free to consult with us.

  • Steel

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

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

Low-distortion vacuum carburizing treatment *Currently recruiting for heat treatment tests and prototypes!

The "carburizing quenching" heat treatment for gears and tooth gears is characterized by low distortion and contamination, making it suitable for heat treatment of gears in reducers and motors. Additionally, because it uses semi-hot oil, the amount of change is minimal, making it ideal for parts of FA equipment that require precision. 【Features】 ■ Capable of handling depths up to 1mm ■ Minimal change 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.

  • others

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Low-strain heat treatment method "Nitriding Quenching" *Integrated support from pressing process to assembly.

Low-strain heat treatment method "Nitriding Quenching" *Integrated support from pressing process to assembly.

[Technical Data Release - 4 Types] Reduces strain by 50% compared to conventional processing methods! A new heat treatment method that generates zero CO2 emissions as it does not use carbon gas.

Aitec's "Nitriding Quenching" is a surface hardening heat treatment method characterized by "low distortion," which allows nitrogen to permeate and diffuse into steel, followed by quenching from the austenite state. Distortion is associated with quality issues, as well as challenges related to polishing labor and costs due to distortion correction. By reducing the distortion itself, total cost reduction can also be achieved. 【Benefits of Nitriding Quenching】 ■ High surface hardness of HMV800 or more even with SPCC material ■ Lower quenching temperature than carburizing, resulting in low distortion (with a proven example of 50% reduction in distortion) ■ High resistance to softening ■ Total cost reduction without distortion correction ■ No CO2 emissions (environmental protection) [Aitec's Strength 1: Contract Analysis of Heat Treatment Distortion] We analyze the amount of distortion before and after heat treatment using a 3D scanner, allowing for shape comparison before and after treatment. We also accommodate requests for analysis only. [Aitec's Strength 2: Integrated Production] By providing integrated production of pressing and heat treatment, we can guarantee product dimensions. We offer added value by consolidating suppliers. ~ We are also seeing an increase in requests for prototypes and tests. Please feel free to contact us! ~ *Technical materials can be viewed from [PDF Download].

  • Other construction services

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Casting, prototyping, mass production, processing, heat treatment (quenching, tempering, annealing, ADI, nitriding)

Casting, prototyping, mass production, processing, heat treatment (quenching, tempering, annealing, ADI, nitriding)

Satisfies the strength of FCD800 in cast state! We will solve your company's problems with various advantages.

Our company provides consistent support from the initial stages to the final processes across a wide range of grades, including the conventional FCD450 and extending to FCD1200. Additionally, leveraging our casting know-how, we have developed the new technology H-FCD to meet the needs of various fields, solving your concerns with a variety of benefits. Please feel free to contact us regarding anything from casting products to processing, heat treatment, surface treatment, and more. 【Benefits of H-FCD】 - Satisfies the strength of FCD800 in as-cast condition (cost advantage) - Capable of forming complex shapes in one go (cost advantage) - Allows for the formation of complex structures compared to forging (high strength and lightweight) - Enables extremely small drilling and other processing (excellent machinability) - Further increases in strength are possible through heat treatment (high strength) *For more details, please refer to the PDF materials or feel free to contact us.

  • others

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Ductile cast iron processing heat treatment

Ductile cast iron processing heat treatment

We have a proven track record in automotive parts, industrial machinery parts, railway parts, exterior parts, and more!

Our company offers comprehensive heat treatment services, including annealing, hardening, tempering, austempering (ADI), and nitriding. We can also handle precision machining at our own facilities and partner factories. With the introduction of 3D printing, we have established a prototyping system that allows for quick, cost-effective, and small-lot orders. If you have any issues with cast iron, please feel free to contact us. 【Features】 ■ Areas of expertise: automotive parts, industrial machinery parts, railway components, exterior parts, etc. ■ Machining - Precision machining available at our own facilities and partner factories - Comprehensive heat treatment services ■ Surface treatment: plating, electrodeposition coating, powder coating, etc. *For more details, please refer to the PDF document or feel free to contact us.

  • others

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Case studies of automotive parts contract processing

Case studies of automotive parts contract processing

We also undertake contract processing of parts directly related to safety, such as engines and chassis components. Heat treatment considerations ⇒ to Netsuren.

We provide a reliable quality assurance system for various parts, such as engines and chassis components, where "safety" is prioritized. Our contract processing has bases in four domestic factories (Ibaraki, Aichi, Hyogo, Okayama) and three overseas countries (China, Indonesia, Mexico), enabling us to support our customers' global expansion.

  • others

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Silicon alloy laser solid solution heat treatment

Silicon alloy laser solid solution heat treatment

Building a new process design! Conducting evaluation tests using the mobile solubilization method and high-speed rotational solubilization method.

We will introduce the laser heat treatment tests of "Silicoloy." Laser heat treatment technology can minimize thermal effects on the base material compared to high-frequency heat treatment, allowing for localized hardening or softening. By combining the heat treatment characteristics of the precipitation-hardened Silicoloy with laser heat treatment (localized solid solution heat treatment), we aim to establish a new process design. This time, we conducted evaluation tests using the moving solid solution method and high-speed rotating solid solution method. For details of the tests, please download the catalog. 【Moving Solid Solution Test Conditions】 ■ Laser Oscillator: LDF4000 ■ Beam Shape: 11mm × 6mm ■ Absorber: Present ■ Moving Speed: 20cm/min ■ Upper Limit Output: 1000W-1200W *For more details, please refer to the PDF materials or feel free to contact us.

  • Steel

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We also perform heat treatment for your metal products.

We also perform heat treatment for your metal products.

Are you having trouble with heat treatment of metal products? At Benkan Kiko, we also accept orders for heat treatment only.

Our company utilizes a 30-ton large batch furnace (4000W x 2700H x 11000L) as the main equipment for heat treatment, and we carry out various heat treatments according to our customers' requests, conditions, and product sizes. The types of heat treatment we can perform include "Normalization: Annealing," "SR: Stress Relief Annealing," "Quenching: Hardening," "Tempering: Tempering," or combinations of these treatments. (Quenching of large products requires consultation.) For more details, we can consider and propose various options based on our customers' requests and conditions, so please feel free to contact us.

  • Fittings
  • Sewerage facilities
  • Water Supply Facilities

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Salt Bath Heat Treatment

Salt Bath Heat Treatment

Uniform and with minimal distortion! Salt bath heat treatment capable of handling a wide range from mass-produced items to single pieces.

"Salt bath heat treatment" is a heat treatment method where a salt bath made primarily from potassium chloride and sodium chloride is heated to high temperatures, and products are immersed in it for quenching and tempering. Compared to conventional gas methods, it offers a uniform finish with minimal distortion, and because the treatment is conducted in an open furnace, it can accommodate a wide range of products from mass-produced items to single pieces. At Meinetsu, the focus is primarily on neutral salt bath quenching and carburizing quenching, but we are considering expanding to include high-speed steel (HSS) quenching. This method is suitable for carburizing quenching and tempering of automotive parts, as well as salt bath quenching and tempering (submerging quenching) for springs, flat springs, and mold tooling. 【Features】 ■ Uniform finish with minimal distortion ■ Carburizing quenching possible from 0.1mm to 1.0mm ■ Wide compatibility from mass-produced items to single pieces ■ Treatment conducted in an open furnace, unlike batch furnaces

  • others

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