Page 645 - Ceratizit Catalog

ISO 513
C40

Carbide

HW Uncoated carbide, consisting mainly of tungsten carbide (WC)
1)
HT Uncoated carbide, consisting mainly of titanium carbide (TiC) or titanium nitride (TiN) or both
HC Carbides as above, but coated

Ceramic

CA Oxide ceramic, consisting mainly of aluminium oxide (Al O )
3
2
CM Mixed ceramic, based on aluminium oxide (Al O ), but with different oxide components
2
3
CN Nitride ceramic, consisting mainly of silicon nitride (Si N )
3
4
CC Ceramics as above, but uncoated

Diamond
2)
DP Polycryistalline diamond

Boron nitride
Parting and grooving / Introduction
2)
BL Polycrystalline cubic boron nitride with a low CBN content (40% - 65%)
2)
BH Polycrystalline cubic boron nitride with a high CBN content (70% - 95%)
2)
BC Polycrystalline cubic boron nitride with coating

1
) These carbides are also called ‘cermets’.

2
) Polycrystalline diamond and polycrystalline boron nitride are also called ultra-hard cutting materials.