UK & International Equivalent Grades

Designation

Equivalent Former Designations in

EN 10025: 1993 Designation

According EN 10025:1990

Germany Din 17100

France NFA 35501

UK BS4360

Spain

Italy

Belgium

Sweden

Portugal

Austria

Norway NS12101

USA ASTM

USA API

Japan JIS G3101/6

Steel Name

Steel Number

S185

1.0035

Fe 310-0

St 33

A33

A3 10-0

Fe 320

A320

13 00-00

Fe 310-00

St 320

S235JR

1.0037

Fe 360B

St 37-2

E24-2

Fe 360B

AE 235-B

13 11-00

Fe 360-B

NS 12 120

A283 GrC

S235JRG1

1.0036

Fe 360BFU

U St 37-2

AE 235 B-FU

U St 360 B

NS 12 122

A283 GrD

SM41A

S235JRG2

1.0038

Fe 360 BFN

R St 37-2

40B

AE 235 B-FN

13 12-00

R St 360 B

Ns 12 123

SM41B

S235JO

1.0014

Fe 360c

St 37-3U

E 24-3

40C

AE 235 D

Fe 360C

Ae 235-C

Fe 360-C

St 360 C

St 430 B

St 360CE

NS 12 142

S235J2G3

1.0116

S Fe 360 D1

St 37-3N

E 24-4

40D

Fe 360D

AE 236-D

Fe 360-D

St 360D

NS 12 124

S234J2G4

1.0117

Fe 360 D2

S275JR

1.0044

Fe 430B

ST 44-2

E 28-2

43B

AE 275 B

Fe 430 B

AE 255-B

14 12-00

Fe 430 B

ST 430 B

NS 12-142

A573 Gr65

SS400

S275JO

1.0143

Fe 430C

ST 44-3U

E 28-3

43C

AE 275 C

Fe430 C

AE 255-C

Fe 430 C

St 430 C

NS 12-143

ST 430 CE

S275J2G3

1.0144

Fe 430D1

ST 430 D1

E 28-4

43D

AE 275 D

Fe 430 D

AE 255-D

14 14-00

Fe 430 D

ST 430 D

NS 12-143

A633 Gr42

2H GR42

S275J2G4

1.0145

Fe430D2

14 14-01

S355JR

1.0045

Fe 510 B

E 36-2

50B

AE 355B

Fe 310B

AE 355B

Fe 510-B

A572Gr50

SS490

S355JO

1.0553

Fe 510 C

ST 52-3U

E 36-3

50C

AE 355C

Fe 310C

AE 355C

Fe 510C

St 510C

NS 12 153

A709Gr50

2H Gr 50

S355J2G3

1.0570

Fe 510 D1

ST 52-3N

50D

AE 355D

Fe 310D

AE 355D

Fe 510-D

St 510D

NS 12 153

A578 Gr50

2W/YGr50

S355J2G4

1.0577

Fe 510 D2

S355K2G3

1.0595

Fe 510 DD1

E36-4

50DD

AE355DD

Fe 510DD

A533GrD

S355K2G4

1.0596

Fe 510 DD2

50DD

E 295

1.0050

Fe 490-2

ST 50-2

A 50-2

A 490

Fe 480

A 490-2

15 50-00

Fe 490-2

St490

15 50-01

E355

Fe 590-2

St 590-2

St 60-2

A 60-2

A590

Fe 580

A590-2

16 50-00

Fe 590-2

St 590

16 50-01

E360

1.0070

Fe 690-2

St 70-2

A 70-2

A690

Fe 650

A690-2

16 55-00

Fe 690-2

St 590

16 55-01