Kyocera CA025P CVD Coated Carbide Inserts
Kyocera CA025P CVD coated carbide inserts set a new standard for next-generation steel turning, providing outstanding wear resistance and extended tool life across general to demanding machining applications. Manufactured by Kyocera, this P25-grade insert features a thickened alumina layer and specialized post-coating treatment to withstand high cutting temperatures, prevent plastic deformation, and eliminate edge adhesion in steel processing.
Core Technical Advantages of CA025P
The Kyocera CA025P grade combines an advanced substrate with proprietary coating technologies to deliver superior operational stability:
1. Improved Wear and Plastic Deformation Resistance
Equipped with a thickened alumina (Al2O3) layer that is twice as thick as conventional coatings, the insert exhibits enhanced thermal resistance. Elevated high-temperature strength prevents plastic deformation under heavy thermal loads, ensuring smooth and stable wear patterns during prolonged cutting cycles.
2. Excellent Fracture and Chipping Resistance
A high-stability carbide substrate paired with optimized compressive stress allows the insert to absorb severe mechanical shocks. In heavy interrupted turning, Kyocera CA025P resists edge fracturing and maintains structural integrity significantly longer than traditional P25 grades.
3. Specialized Post-Coating Anti-Adhesion Treatment
Featuring a specialized post-coating surface treatment, the insert minimizes material adhesion on the cutting edge. Preventing built-up edge formation drastically reduces chipping risks during light-to-heavy interrupted cuts.
Chipbreaker Lineup and Application Range
To optimize chip control across various depths of cut (ap) and feed rates (f), Kyocera CA025P offers specialized negative and positive chipbreaker geometries:
- PG Chipbreaker (Medium-Roughing): First recommendation for medium-to-roughing interrupted cutting, providing stable edge toughness.
- GS Chipbreaker (Medium-Roughing): First recommendation for continuous medium-to-roughing operations, utilizing a hybrid land for light interruption stability.
- PQ Chipbreaker (Finishing-Medium): Designed to reduce chip clogging and cutting resistance at high feed rates.
- PP Chipbreaker (Finishing): Prevents chip crunching and clogging at small depths of cut with high feed parameters.
Technical Specifications
| Grade Name | ISO Grade | Coating Technology | Workpiece Material | Recommended Vc (m/min) |
|---|---|---|---|---|
| CA025P (Negative) | P25 | Next-Gen Thickened CVD Alumina | Low Carbon & Low Carbon Alloy Steel (≤150 HB) | 150 – 240 – 320 |
| CA025P (Negative) | P25 | Next-Gen Thickened CVD Alumina | Medium Carbon & Alloy Steel (≤250 HB) | 150 – 220 – 280 |
| CA025P (Negative) | P25 | Next-Gen Thickened CVD Alumina | High Carbon Alloy Steel (≤300 HB) | 120 – 190 – 260 |
| CA025P (Positive) | P25 | Next-Gen Thickened CVD Alumina | General Steel Machining | 110 – 170 – 230 |
Conclusion
Integrating Kyocera CA025P into your steel machining workflows guarantees reliable tool performance, reduced insert consumption, and improved part accuracy. For authentic Kyocera cutting tools and expert technical support, please Contact – LORIOT INDUSTRIAL.

