tr What Is TiN Coating?
TiN, or titanium nitride, is a ceramic compound created when titanium reacts with nitrogen inside a vacuum chamber. Applied through PVD (physical vapour deposition), it forms an extremely hard, gold coloured film roughly 1-5 microns thick on the component surface. It is the most widely specified PVD coating in the world, serving industrial tooling and decorative markets alike.
Key Properties of TiN Coating
- High hardness: surface hardness of approximately 2000-2400 HV, well above hardened tool steels.
- Wear resistance: dramatically reduces material loss on sliding and cutting surfaces.
- Low friction: improves chip flow and reduces built up edge in machining operations.
- Thermal stability: resists oxidation up to roughly 500 °C.
- Biocompatibility: safe for surgical instruments and components in contact with the body.
- Distinctive gold colour: delivers the look of gold with far greater durability at a fraction of the cost.
How TiN Is Applied
Components are ultrasonically cleaned, fixtured in the vacuum chamber and heated to a controlled process temperature, usually within roughly 200-450 °C depending on the substrate. Titanium targets are vaporised by arc evaporation or sputtering; nitrogen is introduced at a controlled rate and the TiN film grows layer by layer. Process parameters directly govern both the shade of gold and the final layer thickness. Full details are available on our titanium nitride coating service page.
Where TiN Coating Is Used
Cutting Tools and Moulds
Drills, end mills, punches and injection mould components benefit from significantly extended tool life, fewer changeovers and lower downtime. Where even higher wear resistance is required, carbon enriched titanium carbonitride (TiCN) coating is the natural next step up.
Decorative and Architectural Products
Door handles, furniture fittings, lighting bodies and architectural panels gain a rich, permanent gold finish. Because the colour comes from the compound itself, it does not fade in sunlight, wear off with daily contact or suffer from routine cleaning.
Medical and Dental Instruments
Surgical and dental instruments rely on TiN for its combination of edge retention, corrosion resistance and biocompatibility. See our medical PVD coating services for sector specific information.
Why Choose TiN?
TiN offers a proven balance of performance, cost and appearance that few surface treatments can match. With correct surface preparation and tight process control, it delivers consistent, repeatable results on both high volume production parts and one off project work. Substrate material, part geometry and operating conditions are reviewed together to define the right coating architecture for each job. TiN is the ideal starting point for most applications, but demanding scenarios such as high speed machining or abrasive filled polymers may justify a different compound, which is why we recommend selecting the coating from your real operating conditions rather than from a catalogue.
Planning a tooling, decorative or medical application? Send us your drawings or sample parts and our team will confirm feasibility and recommend the optimum coating. Contact us for a quotation; we serve customers across Turkey and export markets from our facility in Ankara.
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