Sumitomo General Catalog 2025-2026

Grades for Turning

General Steel (Carbon Steel, Alloy Steel), Mild Steel

Stainless Steel

Cast Iron

Work Material

Wear Resistance

Fracture Resistance

Wear Resistance

Fracture Resistance

Wear Resistance

Fracture Resistance

Classification

Q

Q

Q

P01 P10 P20 P30

P40

M01 M10 M20 M30 M40

K01 K10 K20 K30

AC8015P C

AC6020M C

AC4010K C

AC8020P C

AC6030M C

AC4015K C

AC8025P C

AC6040M P

AC420K C AC4125K C

AC8035P C

Coated Carbide

A

AC630M C

AC810P C

AC820P C

C

AC8025P

AC830P C

A26

AC1030U P

AC1030U P

AC1030U P

For Small Lathes

AC530U P

AC530U P

AC530U P

A24

T1500Z

Coated

P

Cermet

T2500Z

P

A29

T1000A

T1000A

T1500A

T1000A

Cermet

T2500A ST10P ST20E A30

T1500A

A29

G10E

Cemented Carbide

A30

NB90S

Ceramic

A36

BN7125

BNS8125 BNC8115 P

Uncoated CBN Coated CBN

BN500

(Dedicated for Ductile Cast Iron) BNC500 P

A32

Exotic Alloy

Hardened Steel

Fracture Resistance Non-Ferrous Metal N01 N10 N20 N30

Work Material

Work Material

Wear Resistance

Fracture Resistance

Wear Resistance

Fracture Resistance

Wear Resistance

Classification

Carbide Classication

Q

Q

Q

S01 S10 S20 S30

H01 H10 H20 H30

AC5005S P

DL1000

H1

AC5005S P

A30

AC5015S P

DA90

AC5025S P

Coated Carbide

PCD

DA150

AC510U P

AC503U P

DA1000

AC520U P

A34

A26

EH510

Powdered Metal

Cemented Carbide

Work Material

EH520

A30

Wear Resistance

Fracture Resistance

Classication

Q

01 10 20 30

Ceramic

NB100C P

A36

Coated Carbide Cermet A26

AC5005S P

BNC2105 P

BN7115 T1000A

BNC2115 P

A29

BNC2125 P

Uncoated CBN

Coated CBN

BNC300

BN7125

P

A32

BNC2010 P

BNC2020 P

Cemented Carbides and Hard Brittle Materials

Work Material

A32

Wear Resistance

Fracture Resistance

Classication

NCB100

BN1000

Q

01 10 20 30

Uncoated CBN

BN2000

BN7125

NPD10

PCD

DA90

BNS8125

BN350

A34

A32

A2

: 1st Recommended Grade : 2nd Recommended Grade C

: CVD Coating

P : PVD Coating Blank: Uncoated

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