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              937.323.2556 Email Us

              HEF Group offers innovative solutions for wear, friction and corrosion reduction through a diverse selection of surface treatments and hard coatings. We partner with industry’s largest and most demanding manufacturers to develop application-specific surface engineering processes & products that substantially enhance performance and long-term durability.

              We understand that there is no such thing as a “standard” engine valve or piston-pin – and that each component or assembly has its own performance requirements. Performance is not only a function of the bulk properties of the component material, product design factors and operating conditions, but it is also strongly influenced by the surface properties and metallurgical characteristics of the material. A component’s surface properties can be engineered to meet the challenges of demanding operating conditions, either by:

              • Chemically and structurally transforming the surface of the component to yield the desired set of properties.
              • Depositing ultra-thin layers of hard materials with the desired set of physical properties onto the surface of the component.

              HEF utilizes both the above surface modification options to deliver solutions that maximize the sought after performance characteristics of the mechanical components under consideration. By focusing our substantial global resources – people, technology & infrastructure – on specific applications, HEF creates optimized solutions with the greatest possible value.

              Our primary jobbing service and product offerings include the following:

              • Application Engineered Liquid Nitriding / Salt Bath Nitriding: ARCOR®, MELONITE® / QPQ Treatments
              • State-of-the-Art PVD Technology & PVD / DLC Coatings
              • High Performance, Engineered Sleeve Bearings & Bushing
              • Tribology Testing & Analysis

              If your goal is to reduce equipment downtime; implement overall more cost-effective material selection choices; downsize a component without compromising its mechanical performance; or improve the service life and performance characteristics of mechanical components & tools - HEF has the global resources, and the local expertise, to help you achieve these goals. Our commitment is to help you realize and maintain a substantial competitive advantage, whether you manufacture automotive components, or industrial machinery, oil & gas industry equipment or medical devices.

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