As one of the experienced diamond tools wholesale suppliers, JoyJet offers ceramic inserts that excel in high-speed machining and dry cutting of superalloys and hardened steels with exceptional heat resistance, minimizing tool wear while maximizing productivity. Made from ceramic materials (such as alumina or silicon nitride), their hardness is second only to diamond and CBN. This CNC cutting insert series is primarily used in machining high-hardness materials such as hardened steel, cast iron, and high-temperature alloys.
High Hardness & Wear Resistance: Provides excellent performance in high-speed cutting of hardened steels and cast iron.
Outstanding Heat Resistance: Maintains stability and cutting efficiency at temperatures up to 1200°C.
Ideal for Hard & Brittle Materials: Suitable for machining cast iron, hardened steel, and high-temperature alloys.
High Surface Precision: Delivers exceptional machining accuracy with surface roughness up to Ra ≤ 0.5 μm, ensuring superior finish quality for precision components.
Accurate Cutting Edge: Features edge precision within ±0.025 mm, providing consistent dimensional accuracy and stable cutting performance even under demanding conditions.
Optimized for Tough Materials: Specially designed for efficient machining of cast iron and nickel-based alloys, offering excellent wear resistance and extended tool life.
| SML Grade | Ceramic Composite Systems (Materials) | Ceramic Grade | Density | Hardness | Fracture Toughness | Wear Coefficient | Application Characteristics |
| TN5 | Al2O3+TiCN | AN5 | 4.4 | 20 | >5.5 | >16 | • Suitable for cutting various steels and cast irons, especially high manganese and high-strength steels. • Suitable for cutting high-hardness steel and iron materials. • Can be used for precision cutting, rough cutting, and general interrupted cutting (milling operations). |
| TC4 | Al2O3+(WTi)C | AC4 | 6.2 | 20.5 | >5.6 | >16 | • Suitable for cutting various high-hardness steel and iron materials, particularly with hardness HRC 55-68, such as quenched and hardened steels and high-chromium wear-resistant cast iron. • Best for high-speed rough machining of various steels and iron materials, particularly for rough machining high-hardness steels and irons. • Also suitable for turning tools and milling cutters. |
| TT3 | Al2O3+(TiC+Metal) | AT53 | 4.8 | 19 | >6.0 | >16 | • Suitable for precision cutting and rough machining of various high-alloy steels and cast irons. • Outstanding performance in cutting nodular cast iron and boron-containing cast iron. • Excels in precision milling (milling operations), demonstrating remarkable effectiveness. |
| TN2 | Si3N4+TiCN | SN2 | 3.4 | 17 | >5.6 | >16 | • Optimized for high-speed machining of various conventional cast irons, particularly effective in cutting nickel-based heat-resistant alloys. • Demonstrates exceptional performance in general precision cutting, rough machining, and interrupted cutting (milling operations). |
