International Close Equivalent Grades

Designation Equivalent Former Designations in
EN 10025: 1993
Designation
According
EN 10025:1990
Germany
Din 17100
France
NFA 35501
UK
BS4360
Spain China 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 - - - - - -