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                                            Manufacturer:KENNAMETAL
Grade name:KCP25
Insert material:CARBIDE - CVD COATED
ISO range:
P20-30 K25-35
ANSI range:C6-C7 C2-C3
Coating:MTCVD TiCN-Al2O3
Description:'Composition: A tough cobalt-enriched carbide grade with a newly designed multi-layer MTCVD-TiCN-Al2O3 coating with superior interlayer adhesion. Application: This is the industry's best general-purpose turning grade for most steels and ferritic and martensitic stainless steels. The substrate design ensures adequate deformation-resistance along with excellent insert edge strength. The coating layers offer good wear resistance over a wide range of machining conditions and the post-coat treatment minimizes microchipping and improves coating adhesion to substrate leading to long tool life and improved workpiece finishes.'

 

 

Grade Range Chart

P  Steel01C8Precision finishing

= > 01  increasing wear resistance    
= > 50 increasing shock resistance

10C7Light finishing
20C6Semi-finishing
40C5Roughing & general purpose
M Stainless Steel10-Precision finishing= > 01  increasing wear resistance 
 = > 40 increasing shock resistance
20-Semi-finishing
30-General purpose
40-Roughing
K Cast Iron01C4Precision finishing= > 01  increasing wear resistance    
= >30 increasing shock resi
10C3Semi-finishing
20C2General purpose
30C1Roughing
N  Non-ferrous01-Precision finishing= > 01  increasing wear resistance    
= >30 increasing shock resi
10-Semi-finishing
20-General purpose
30-Roughing
S  Hi-temp Alloys10-Precision finishing= > 10  increasing wear resistance    
= >40 increasing shock resi
20-Semi-finishing
30-General purpose
40-Roughing
H  Hardened Materials01-Precision finishing= > 01  increasing wear resistance    
= >30 increasing shock resi
10-Semi-finishing
20-General purpose
30-Roughing