- Golden Yellow Crystal Appearance: Indicates high crystal quality and excellent thermal stability.
- Complete Monocrystalline Structure: Preserves intact crystal shape for consistent cutting and durability.
- High Crystal Strength: Supports stable performance under high grinding loads.
- Excellent Thermal Stability: Maintains cutting efficiency in elevated-temperature grinding environments.
- Stable Cutting Behavior: Ensures smooth grinding action and reliable surface finish.
- Optimized for Metal Bond and Electroplated Systems: Provides strong grain retention and extended tool life.
CBN-A70
20+ Years Experience
Ultra-Precision Quality
Customized Solutions
CBN-A70 is a high-grade monocrystalline cubic boron nitride powder designed for precision grinding applications requiring high crystal integrity and thermal stability. Produced under controlled HPHT conditions, this grade features a distinctive golden yellow appearance with complete, well-formed crystal morphology, delivering stable cutting performance and long tool life in metal bond systems and electroplated tools for machining ferrous materials and hardened steels.
Features
Specifications
| US / International Standard (ANSI B74-1981) | China Standard (JB/T 17990-1990) | Japan Standard (JIS 6002-63) |
|---|---|---|
| D213 | 70/80 | 70# |
| D180 | 80/100 | 80# |
| D151 | 100/120 | 100# |
| D126 | 120/140 | 120# |
| D107 | 140/170 | 140# |
| D91 | 170/200 | 170# |
| D76 | 200/230 | 200# |
| D64 | 230/270 | 230# |
| D54 | 270/325 | 270# |
| D46 | 325/400 | 325# |
| 400/500 | 400# | |
| 500/600 | 500# |
Applications
Ferrous Metals
Suitable for precision grinding of iron-based materials and hardened steels.
- Hardened steel surface grinding
- Alloy steel finishing
- High-accuracy ferrous component machining
Mold & Die
Used for grinding and finishing of tool steels and die materials.
- Mold steel surface grinding and profiling
- Die component finishing and shaping
- Wear-resistant tooling applications
Aerospace
Used for machining high-strength ferrous alloys with strict stability requirements.
- Precision grinding of aerospace steel components
- High-temperature surface finishing
- Long-life tool applications