Section A 25-26

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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