PCBN inserts and CBN solid tools are mainly used for: gray cast iron (HT200/250/300), ductile iron (QT400/500/600), high boron cast iron, alloy cast iron, chilled cast iron, powder metallurgy, various tool steel, bearing steel, high speed Hardened after hardened steel, etc.
Below are the grinding and cutting data for your reference:
| Workpiece materials | Hardness | V（m/min） | F（mm/rev） | AP（mm） |
| Grey cast Iron | HB170-300 | 500-1500 | 0.1-0.4 | 0.1-1.5 |
| Nodular Cast Iron | HB240-300 | 200-400 | 0.1-0.4 | 0.1-1.5 |
| Alloyed cast Iron | HB240-300 | 150-300 | 0.05-0.4 | 0.1-0.5 |
| Fe-based P/M | HRC45-50 | 50-150 | 0.05-0.4 | 0.05-0.5 |
| Hardened steel | HRC-55-65 | 80-200 | 0.05-0.2 | 0.05-0.2 |
| Heat-resistant alloys | - | 50-200 | 0.05-0.2 | 0.05-0.2 |
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