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Chrome plating was once the go-to surface treatment in the internal combustion era. But today, with increasing demands for environmental sustainability and lightweight design, new alternatives are emerging.
Disadvantages of Chrome Plating:
Serious pollution: Hexavalent chromium is highly toxic and has led to strict restrictions under the EU REACH regulation.
Increasing regulatory pressure: Environmental regulations are tightening, driving up compliance costs.
Thickness issue: Chrome coatings are relatively thick, making it harder to achieve piston ring lightweighting.
Poor flexibility: Not suitable for modern high-speed engines.
DY Piston Ring’s Surface Technology Alternatives:
The DY Piston Ring team has successfully scaled up several surface treatment technologies for mass production, including:
DLC coating: Low friction and excellent wear resistance
PVD coating: Eco-friendly, ultra-thin film, and low emissions
Nitriding: A mature and stable process with excellent cost-performance ratio
We are gradually helping our customers transition to greener and more advanced alternative solutions.Are you also concerned about environmental issues? Leave a message or contact us directly — we’d be happy to tailor a new piston ring solution just for you.
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Powered by strong technical development and continuous innovation ability, DY PISTON RING ranks among the leading brands.
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