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  3. HEF DURFERRIT JAPAN
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HEF DURFERRIT JAPAN

addressKanagawa/Kohoku-ku, Yokohama-shi/3-16-14 Shin-Yokohama, Sanko Building 6th Floor
phone045-474-2844
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last updated:Nov 09, 2022
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HEF DURFERRIT JAPAN List of Products and Services

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Commissioned research services related to tribology. Commissioned research services related to tribology.
Salt bath soft nitriding treatment service Salt bath soft nitriding treatment service
PVD and PACVD coating services PVD and PACVD coating services
Manufacturing and sales of bushings and sliding parts. Manufacturing and sales of bushings and sliding parts.
Photonics business Photonics business
Surface treatment services Surface treatment services
Salt

Salt bath soft nitriding treatment service

Depending on the desired characteristics such as corrosion resistance, wear resistance, plating alternative technology, high crack resistance, and low risk of deformation, various processes can be selected.

Thermochemical treatment "Nitriding"

Achieving excellent corrosion resistance! Nitriding process with an environmentally friendly treatment process.

The HEF Group is a worldwide leader in environmentally conscious "nitriding treatment." HEF applies CLIN (Control Liquid Ionic Nitriding) technology, which conducts environmentally friendly nitriding treatment by controlling liquid ions. Hard chrome plating can be replaced with soft nitriding treatment. 【Features of HEF Nitriding Treatment】 ○ Excellent corrosion resistance ○ High wear resistance ○ Environmentally friendly process For more details, please contact us or download the catalog.

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REACH regulation compliant 'Salt Bath Soft Nitriding Treatment Technology (CLIN Process)'

Improved wear resistance, corrosion resistance, and seizure resistance. Performance data will be provided.

The "Salt Bath Soft Nitriding Treatment Technology (CLIN Process)" is a technique that applies soft nitriding and oxidation thermochemically, strengthening the surface of iron materials with nitrogen and a small amount of carbon in a salt bath. It has a low environmental impact, compliant with REACH regulations, and can be used as an alternative to chrome plating. It contributes to improving wear resistance, seizure resistance, corrosion resistance, and fatigue strength in various products such as gas springs, hydraulic cylinders, and brake pistons. We are currently offering explanatory materials that introduce successful alternatives to chrome plating! 【Features】 ■ Closed treatment with no wastewater ■ Excellent corrosion resistance ■ Widely adopted by major automobile manufacturers and construction equipment manufacturers *The materials can be viewed immediately via "PDF Download." Please feel free to contact us for inquiries.

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Technical Explanation Document for Salt Bath Soft Nitriding "Tuftride Treatment / QPQ Treatment"

REACH regulation compliant! Reducing environmental impact with a unique salt bath agent. Also reduces disposal costs.

The "Tuftride treatment" is a salt bath soft nitriding process that uses a uniquely developed salt bath agent, compliant with the European environmental regulation "REACH." Compared to gas soft nitriding processes that use ammonia gas, it significantly reduces environmental impact. It offers many advantages in surface processing, such as improved wear resistance, corrosion resistance, and seizure resistance, and is adopted by major automobile manufacturers for shafts and ball screws, as well as by construction equipment manufacturers for hydraulic pistons. ★ We are currently offering a technical explanation document for free ★ [Contents of the document] ■ What is Tuftride treatment and QPQ treatment ■ Composition and thickness of the nitrided layer ■ Improvement of component characteristics and mechanical sliding properties ■ Plant technology ■ Consideration for the environment, etc. * The technical explanation document can be viewed via the download button below.

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HEF DURFERRIT JAPAN Co., Ltd. Business Introduction

H.E.F Group contributing to the improvement of global environmental and energy issues.

Founded in 1953 in France as the Tribology Research Center, the H.E.F Group has developed numerous technologies related to surface treatment processing of materials, obtained patents, and sold licenses worldwide. Furthermore, in recent years, it has also developed surface treatment processes for resin housings and added electromagnetic shielding coating services to its lineup. The company is expanding its business globally. The H.E.F Group has both research and development and manufacturing facilities, allowing for customization to meet customer needs. The H.E.F Group places importance on establishing a presence close to its clients and has many factories around the world. In Japan, HEF DURFERRIT JAPAN Co., Ltd. collaborates with three domestic factories to meet the needs of Japanese customers. 【Service Introduction】 ○ Contract research services related to tribology ○ Salt bath soft nitriding treatment services ○ PVD and PACVD coating services ○ Manufacturing and sales of bushes and sliding components For more details, please contact us or download the catalog.

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Salt Bath Soft Nitriding Treatment Technology (CLIN Process) *Suitable for Home Appliances

For washing machine shafts, tubes, etc. Can impart corrosion resistance and friction/wear properties. Complies with REACH regulations.

The "Salt Bath Soft Nitriding Treatment Technology (CLIN Process)" is a technique that applies soft nitriding and oxidation thermochemically, strengthening the surface of iron materials with nitrogen and a small amount of carbon in a salt bath. It has a low environmental impact, compliant with REACH regulations, and provides excellent corrosion resistance. When applied to steel components, it can be used as a substitute for stainless steel. It also has high compatibility with sealing materials and is suitable for home appliances such as washing machine shafts and tubes, as well as in the automotive and military fields. 【Features】 ■ Alternative to chrome plating and gas soft nitriding treatment ■ Reduces friction, contributing to lower power consumption ■ No concerns about peeling that exposes the target material ■ Excellent treatment uniformity *For more details, please refer to the materials. Feel free to contact us with any inquiries.

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Nitride treatment for differential components

Improvement of mechanical strength and wear resistance! Salt bath soft nitriding treatment technology suitable for differential components.

We would like to introduce HEF's salt bath soft nitriding treatment technology suitable for differential components. The nitrided layers generated during the treatment (mainly the diffusion layer) improve mechanical strength and fatigue strength. Additionally, the compound layer formed during the treatment and its surface condition enhance wear resistance. The application and mass production of salt bath soft nitriding treatment for various differential components are progressing, and we have a track record of applications such as "application to differential cases" and "application to differential shafts." Please feel free to contact us when needed. 【Features】 ■ Improvement of mechanical strength ■ Improvement of wear resistance ■ Reduction of treatment costs (compared to electroless Ni plating) *For more details, please refer to the PDF materials or feel free to contact us.

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ECO-CLIN

Achieving a circular economy with CLIN (salt bath soft nitriding treatment) in industrial waste recycling! Eliminating concerns about raw material procurement.

We would like to introduce the 'ECO-CLIN Process' developed by the HEF Group. This technology allows for the recycling of wastewater and solid waste generated from the gas nitriding treatment line, directly converting it into regenerated treatment salt. At the HEF Group's upcycling sites and Green Centers established around the world, this system minimizes the impact of gas nitriding treatment on the natural resource market while alleviating concerns over raw material procurement. 【Targets】 ■ Ensuring the sustainability of salt bath nitriding treatment technology ■ Achieving zero mineral waste emissions from the nitriding treatment line ■ Minimizing the impact of fluctuations in raw material market conditions ■ Reducing the carbon footprint of salt bath nitriding treatment technology *For more details, please refer to the PDF document or feel free to contact us.

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