... high hardness steel machining can replace TiALN coated ultra micro-grain carbide, ceramics. After cutting, CBN tooling has ... Type of machining,Super-finish→ finish, semi-finish→ semi-rough, rough machining→ power (heavy) cutting HRF10ultra micro-grain quality carbide ... and continuous light machining. Corresponding to ISO K10. PR40:super micro-grain diamond tungsten steel, extensively applied, it can ...