Tool steel

Type

International

USA

Japan

Carbon tool steel

-

-

SK140

C120U

W1-11 1/2

SK120

C105U

W1-10

SK105

-

W1-9

SK95

C90U

-

SK90

-

W1-8

SK85

C80U

-

SK80

-

-

SK75

C70U

-

SK70

-

-

SK65

-

-

SK60

High speed steel

HS18-0-1

T1

SKH2

-

T4

SKH3

-

T5

SKH4

-

T15

SKH10

HS6-5-3-8

-

SKH40

HS1-8-1

-

SKH50

HS6-5-2

M2

SKH51

HS6-6-2

M3-1

SKH52

HS6-5-3

M3-2

SKH53

HS6-5-4

M4

SKH54

HS6-5-2-5

-

SKH55

-

M36

SKH56

HS10-4-3-10

-

SKH57

HS2-9-2

M7

SKH58

HS2-9-1-8

M42

SKH59

Alloy tool steel

-

F2

SKS11

-

-

SKS2

-

-

SKS21

-

-

SK5

-

L6

SKS51

-

-

SKS7

-

-

SKS81

-

-

SKS8

-

-

SKS4

-

-

SKS41

105V

W2-9 1/2

SKS43

-

W2-8 1/2

SKS44

-

-

SKS3

-

-

SKS31

-

-

SKS93

-

-

SKS94

-

-

SKS95

X210Cr12

D3

SKD1

X210CrW12

-

SKD2

X153CrMoV12

-

SKD10

-

D2

SKD11

X100CrMoV5

A2

SKD12

-

-

SKD4

X30WCrV9-3

H21

SKD5

-

H11

SKD6

X40CrMoV5-1

H13

SKD61

X35CrWMoV5

H12

SKD62

32CrMoV12-28

H10

SKD7

38CrCoWV18-17-17

H19

SKD8

-

-

SKT3

55NiCrMoV7

-

SKT4

45NiCrMo16

-

SKT6