STANDARD CARBON & ALLOY STEEL

AISI / SAE

DIN

British

JIS

BS

EN

Carbon steel

1010

CK10

EN 2A

S 10C

1015

CK15

080M 15

EN32B

S 15C

1025

CK25

EN3B

S 25C

1035

CK35

060A 35

EN8

S 35C

1045

CK45

080M 46

S 45C

1055

CK55

070M 55

EN9

S 55C

1060

CK60

S 60C

1090

SK4

MEDIUM CARBON

FREE CUTTING STEEL

1117

SUM31

1137

-

SUM41

1141

35S20

212M 36

EN 8M

SUM42

LOW CARBON

FREE CUTTING STEEL

1213

9SMn28

230MO7

SUM22

12L 13

9SMnPb28

230MO7PB

SUM 22L

12L 14

9SMnPb36

240MO7PB

SUM 24L

1215

9SMn37

240MO7

MANGENSE STEEL

1524

26Mn5

1535

36Mn5

1541

40Mn4

150M 40

EN15

SMn443H

CHROME + MOLY STEEL

綠十字

4120

20CrMo4

708M 20

SCM420

4130

30CrM04

EN19C

SCM430

4135

34CrM04

-

SCM435

紅十字

4140

42CrM04

708M 40

SCM440

4150

50CrMo4

SCM450

NICKEL + CHROME +MOLY STEEL

4320

17CrNiM06

EN36C

SNCM420

藍十字

4340

40NiCrMo6

817M 40

EN24

SNCM439

白十字

8620

20NiCoMo2

805M 20

SNCM220

CHROME STEEL

5115

15Cr4

SCr415

5120

20Cr4

527M 20

SCr420

5130

34Cr4

530A 30

EN18A

SCr430

5140

41Cr4

  530A 40

SCr440

CHROME + MANGENSE STEEL

16MnCr5

-

20MnCr5

BEARING STEEL

52100

100Cr6

534A 99

EN31

SUJ2

SPRING STEEL

5160

EN45A

SUP 9A

9255

55Si7

250S53

EN45

SUP12

6150

50CrV4

735A 50

SUP10

3310

15NiCr13

655M 13

EN36A

SNC815

黑十字

7140

41CrAlMo7

905M 39

SACM645

A572 Gr.42

St44-3N

43D

S355J2G 3

A572 Gr.50

St52-3

50D

SM 520C