Page 186 - Master Catalog 2017, Inch

Advanced Material Inserts
Cutting Material Groups

The cutting tool materials are classifi ed by the combination The extended standard DIN ISO 513 also includes ceramic
of their hardness and wear resistance characteristics. cutting materials and the superhard polycrystalline materials,
boron nitride and diamond, resulting in additional identifi cation
symbols for these cutting material groups.

DP Polycrystalline Diamond

Cubic Boron Nitride
BN

CA
CM
Ceramics

CN + CC
wear resistance HT

Cermets
HC Coated Hard Metal

Uncoated Hard Metal
HW

toughness

sub-group
main group (symbol) feature
HW Uncoated WC-base hard metal
hard metal HT Uncoated TiC/TiN-base hard metal (cermets)
HC Coated hard metal
CA Al O -base oxide ceramics
2 3
CM Composite ceramics Al O + metal carbide
2 3
ceramics
CN Si N -base nitride ceramics
3 4
CC Coated ceramics
BL Cubic boron nitride (CBN) with low CBN content
cubic boron nitride
BH Cubic boron nitride (CBN) with high CBN content
diamond DP Polycrystalline diamond (PCD)

B166 widia.com

I
i
B166 B167 Mi
V
16 T
WID M
L
i
WID_Master16_Turning_Inserts_B166_B167_Minch_REBRAND.indd 166 h REBRAND O b 14 2015 4 17 PM 10/30/15 1:51 PM