Nickel and Hard Chromium Coating Rod
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  • Nickel and Hard Chromium Coating Rod
  • Nickel and Hard Chromium Coating Rod
  • Nickel and Hard Chromium Coating Rod
  • Nickel and Hard Chromium Coating Rod
  • Nickel and Hard Chromium Coating Rod
  • Nickel and Hard Chromium Coating Rod

Nickel and Hard Chromium Coating Rod


Nickel and hard chromium coating is a high-performance surface engineering solution that combines a nickel underlayer with a hard chromium top layer, delivering both structural support and functional enhancement. Through the synergistic effect of multiple layers, this composite coating provides stable, reliable, and long-lasting surface performance under demanding operating conditions.

From a mechanical perspective, the nickel layer offers excellent adhesion and high density, effectively compensating for micro-defects on the substrate surface and improving overall bonding strength. The outer hard chromium layer is characterized by high hardness and outstanding wear resistance, significantly reducing friction and extending service life in high-load and high-cycle applications.

In terms of corrosion resistance, nickel and hard chromium coating provides effective protection against a wide range of industrial environments. The nickel layer acts as a robust barrier, while the hard chromium layer maintains chemical stability in oxidative, humid, and mildly corrosive conditions, helping to minimize surface degradation and maintenance requirements.

Regarding dimensional stability and precision, this coating system allows tight control of thickness and surface finish through optimized process parameters. The resulting uniform and smooth surface is well suited for components with strict tolerance requirements and contributes to consistent performance during long-term operation.

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  • Material

    45# Steel, 40Cr, 42CrMo, Stainless Steel, etc.

    Accuracy

    F5 ~ F9

    Diameter

    Φ20 ~ Φ500

    Hard Chrome Plating Thickness

    0.010mm ~ 0.10mm

    Precision Machining

    Processable as per Drawings

Why QUNKE
Jiangsu Newqunke Intelligent Technology Co., Ltd.
Jiangsu Newqunke Intelligent Technology Co., Ltd.

Founded in 2008, Wuxi Qunke Machinery Co., Ltd. is a technology-focused enterprise specializing in the R&D, design, mass production and comprehensive solutions of high-performance hydraulic cylinders, pneumatic cylinders and precision hydraulic piston rods.


Headquartered in Wuxi, Jiangsu – a core manufacturing base in the Yangtze River Delta region – the company now covers a total plant area of more than 25,000 square meters and employs hundreds of skilled professionals. Driven by continuous innovation, Qunke develops hundreds of new products each year to meet diverse industrial demands. Its products are widely applied across numerous key sectors, including water conservancy, metallurgy, construction machinery, marine and port equipment, as well as oil fields, mining, piling machinery and excavators.
To support the long-term growth and global layout, Qunke established Jiangsu New Qunke Intelligent Technology Co., Ltd. in 2022 for foreign market expanding and trading. In 2026, we founded Qunke Europe Co., Ltd. , which serves as its European regional headquarters and operation center. The European subsidiary is responsible for local market development, customer sales and support, after-sales service, technical communication and logistics coordination, enabling Qunke to better respond to European customer needs, shorten delivery cycles, and provide efficient, localized services to partners throughout the region. 

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