JoyJet CBN/PCBN inserts deliver unmatched hardness and thermal stability for precision machining of hardened steels over HRC45 and cast irons. products from JoyJet's CBN/PCBN Inserts factory offering superior tool life and high-speed finishing performance in industrial applications.
Hardness: 3000-5000 HV
Heat Resistance: 1200°C+
Applicable Materials: Hardened steels, cast iron, high-temperature alloys, and hardened steels.
Workpiece Hardness: Suitable for materials with hardness greater than HRC45.
Cutting Parameters: Consider linear speed and feed rate to optimize performance.
Insert Geometry: Choose based on the specific type of machining (roughing/finishing).
Cooling Method: It is recommended to use cutting fluid or air cooling to ensure stable cutting and extend tool life.
| Grade | Main Composition | Grit Size (um) | CBN Content(%) | Machining Method | Workpiece Material |
| SJ1006 | Metal binder | 2--4 | 90 | Continuous, interrupted cutting | Hardened steel, tool steel, cemented carbide, powder metallurgy |
| SJ1009 | Titanium carbonitride | 2--3 | 60 | Continuous cutting | Hardened steel, cold work tool steel |
| SJ3002 | Titanium carbide | 1.5 | 50 | Light interrupted cutting | Ductile iron |
| SJ8600 | Metal binder | 1--2 | 88 | Continuous, interrupted cutting | Hardened steel, mold steel, cast iron, powder metallurgy |
| SJ5500-6 | Titanium carbide/ titanium carbonitride | 0.5--2 | 60 | Continuous, mild interrupted cutting | Ductile iron, hardened steel |
| SJ3007 | Metal binder | 4 | 90 | Continuous, interrupted cutting | Pearlitic cast iron, tool steel, powder metallurgy |
| SJ70 | Cobalt-based metal binder | 1--2 | 92 | Continuous cutting | Cast iron, powder metallurgy |
| SJ67 | Titanium nitride | 0.5--1 | 60 | Continuous cutting | Hardened steel, cold work tool steel |
| SJ68 | Nickel-based metal binder | 1--2 | 85 | Continuous or interrupted cutting | Hardened steel, cold work tool steel |
| Grade | Main Composition | Grit Size (um) | CBN Content(%) | Machining Method | Workpiece Material |
| SJ905 | Metal bond | 2--6 | 83-86 | Finishing, Semi-finishing | Cast iron category |
| SJ928 | Metal bond | 2--6 | 90-92 | Finishing, Semi-finishing | Cast iron category |
| SJ604 | Ceramic bond | 4--6 | 55-60 | Finishing, Semi-finishing | Hardened steel, Bearing steel, Tool steel, High-speed steel (HSS) |
| SJ810 | Ceramic bond | 4--12 | 65-70 | Rough machining, Semi-finishing | Hardened steel, Bearing steel, Tool steel, High-speed steel (HSS) |
| SJ605 | Ceramic bond | 2--4 | 55-60 | Finishing, Semi-finishing | Hardened steel, Ductile iron |
| SJ630 | Nano-ceramic bond | 2-4，4-6，8-12 Mixed Grit Size | 66-70 | Rough machining, Semi-finishing | Hardened steel, Bearing steel, Tool steel, High-speed steel (HSS) |
