Plasma Nitriding
Controlled Surface
Hardening for Wear & Fatigue Resistance
High-Pulsed Plasma Nitriding (HPPN) systems provide controlled thermochemical surface engineering to improve wear resistance, fatigue strength, and component durability — especially for parts exposed to high loads, friction, or cyclic stress.
Uniform Diffusion with
Precise Control
The result is a hard, wear-resistant case layer composed of nitrides and nitrogen-enriched diffusion zones that increase surface hardness and fatigue resistance without requiring high bulk temperatures or extensive post-finishing.
This modern surface-hardening process that diffuses nitrogen into metallic surfaces in a plasma environment, creating a hardened case that improves wear resistance, fatigue life, and surface integrity without major distortion or post-processing. This low-temperature, high-control process enhances performance in demanding industrial applications including tooling, automotive components, aerospace parts, and precision mechanisms.
Coating Equipment
Why Choose Plasma
Nitriding (HPPN)?
Enhanced Wear Resistance
By introducing nitrogen into the surface, the treated zone becomes significantly harder and more resistant to abrasion, adhesive wear, and surface fatigue — ideal for parts exposed to high friction or contact stresses.
Improved Fatigue Strength
The nitriding process induces compressive stresses and refines the near‐surface microstructure, which helps counteract crack initiation and propagation, improving component life under cyclic loading.
Low Distortion
Operating at sub-critical temperatures (below phase transformation points) means parts retain dimensional accuracy, minimizing the need for additional finishing operations after nitriding.
Broad Material Compatibility
Plasma nitriding is effective on a wide array of steels (including high alloy and stainless grades), cast irons, sintered metals, and some high-strength alloys, enabling enhanced performance across diverse components.
Plasma Nitriding Delivers Value:
- Tooling & Dies — punches, presses, form tools
- Automotive Components — shafts, gears, cam followers
- Aerospace Parts — landing gear components, structural interfaces
- Precision Mechanisms — bearings, pins, actuators
- Industrial Equipment — gears, rollers, couplings
How We Work
Apex's Consulting
Process
01.
Discovery
Needs Analysis
We don’t just offer products; we provide solutions crafted precisely for you. Our approach begins with a commitment to what truly matters to you.
02.
Collaboration
Seamless Integration
Investing in PVD coating equipment is just the beginning of your journey. That’s why we offer comprehensive installation and training services.
03.
Partnership
Ongoing Support
We offer comprehensive ongoing support and spare parts to keep your PVD coating equipment operating at peak performance levels.