Grades A

A1 to A35 A

A

CBN

C

Ceramic Carbonitride alloy

C C

C C

Coated carbide C Cermet

Carbide

Selection of Sumitomo Grades (Turning) ……… A2 Selection of Sumitomo Grades (Milling) ………… A3 Grade Comparison Chart (Coated) …………………… A4 (Cermet, Carbide, Ceramic) … A5 (CBN, Polycrystalline Diamond) … A6 Chipbreaker Comparison Chart …………………… A7

Application-Specific Chipbreaker & Grade Selection Guide
Steel Turning Inserts………………………………A8
Stainless Steel Turning Inserts……………… A12
Cast Iron Turning Inserts……………………… A14
Exotic Alloy Turning Inserts…………………… A16
Hardened Steel Turning Inserts……………… A18
Non-Ferrous Metal Turning Inserts………… A20
Inserts for Small Product Machining……… A22
Coated Carbide…………………………………… A24
Cermet……………………………………………… A27
Carbide……………………………………………… A28
CBN………………………………………………… A30
Polycrystalline Diamond………………………… A32
Ceramic……………………………………………… A34
Material Properties………………………………… A35