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Techniques Surfaces (Thailand) Ltd.
TOP Techniques Surfaces (Thailand) Ltd. Technology/Service List CLIN Process – Environmentally Friendly Surface Modification Technology
  • CLIN Process – Environmentally Friendly Surface Modification Technology

CLIN Process – Environmentally Friendly Surface Modification Technology

The CLIN Process (Controlled Liquid Ionic Nitriding) is a thermochemical treatment technology that enhances wear resistance, fatigue strength, and corrosion resistance of iron alloys through nitriding and oxidation. This process, patented and commercialized by the HEF Group, includes treatment methods such as ARCOR®, TENIFER®, and QPQ®, which are part of the CLIN process family.
The process involves salt bath soft nitriding, where nitrogen and carbon are diffused into the metal surface at temperatures between 500°C and 630°C, followed by passivation treatment and impregnation with organic rust inhibitors to achieve exceptional performance. Notably, it does not use cyanide, making it compliant with REACH regulations and environmentally friendly.
■ Features
Improved Wear Resistance: The compound layer formed on the surface provides high hardness.
Enhanced Fatigue Strength: Achieved through hardness gradients and compressive stress gradients on the surface.
Excellent Corrosion Resistance: The formation of Fe₃O₄ oxide enables resistance in salt spray tests for 400–700 hours.
Eco-Friendly: Free of cyanide, making it compliant with REACH regulations and minimizing environmental impact.
Broad Applicability: Suitable for a wide range of materials, including steel, cast iron, and stainless steel.
■ Capabilities
Compound Layer: Thickness approximately 0–30 µm, with hardness up to 760 HV.
Diffusion Layer: Can reach depths of several millimeters, ensuring long-term performance improvements.
Salt Spray Test: Resistance of over 700 hours for simple parts and 400 hours for complex parts.
Polishing Compatibility: Surface roughness can be adjusted to match the friction characteristics of polymers and elastomers.
■ Applications
The CLIN process is widely used in various industries, including automotive, machinery components, aerospace, and precision equipment. It is particularly effective in significantly enhancing the durability of parts exposed to wear and corrosion, such as gears, shafts, and springs.
By improving wear resistance, fatigue strength, and corrosion resistance, the CLIN process extends product lifespans and helps reduce maintenance costs.
■ For more detail, please contact us.

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Automobile (mass production) / Office automation equipment / Jigs

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Company Information

Techniques Surfaces (Thailand) Ltd.

Techniques Surfaces (Thailand) Ltd.

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Industry Classification

Jigs and tools / Office automation equipment / Transportation equipment

Main 3 Products

Salt bath nitriding / PVD / DLC coatings

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HEF group has an origin with Tribology Reserch Institute in Lyon of France since 1953. In order to resolve the issues (wear, friction problems, low friction, light weight, compactification) concerning ...