Carbide Insert Grade Chart

P
Steel
01C8Precision finishing
increasing wear resistance  
 increasing shock resistance
10C7Light finishing
20C6Semi-finishing
30
40C5Roughing & general purpose
50
M
Stainless
Steel
10Precision finishing
increasing wear resistance  
 increasing shock resistance
20Semi-finishing
30General purpose
40Roughing
K
Cast
Iron
01
C4
Precision finishing
increasing wear resistance  
 increasing shock resistance
10C3Semi-finishing
20C2General purpose
30C1Roughing
N
Non-
ferrous
01Precision finishing
increasing wear resistance  
 increasing shock resistance
10Semi-finishing
20General purpose
30Roughing
S
Hi-temp
Alloys
10Precision finishing
increasing wear resistance  
 increasing shock resistance
20Semi-finishing
30General purpose
40Roughing
H
Hardened
Materials
01Precision finishing
increasing wear resistance  
 increasing shock resistance
10Semi-finishing
20General purpose
30Roughing

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