Standard comparison of structural steel
| Yield strength ReHN/mm2 | Tensile strength Rm/mm2 | Impact strength KV (by length) | EN 10025:1993 | EN10025:1991 | DIN 17100 1980 | SFS 200 1986 |
| C/10-150mm-250mm | ||||||
|
185 |
290-510 |
no requirements |
S185 |
Fe310-0 |
St 33 |
Fe 33 |
|
235 |
360-510 |
20/27- |
S235JR |
Fe360B |
St 37-2 |
|
|
235 |
360-510 |
20/27J/23J |
S235JRG2 |
Fe 360BFN |
Rst 37-2 |
Fe 37 B |
|
235 |
360-510 |
0/27J/23J |
S235JO |
Fe 360 C |
St 37-3U |
|
|
235 |
360-510 |
-20/27J/23J |
S235J2G3 |
Fe 360 D1 |
St 37-3N |
Fe 37 D |
|
235 |
360-510 |
-20/27J/23J |
S235J2G4 |
Fe 360 D2 |
||
|
355 |
510-680 |
20/27J/23J |
S355JR |
Fe 510 B |
||
|
355 |
510-680 |
0/27J/23J |
S355JO |
Fe 510 C |
St 52-3U |
Fe 52 C |
|
355 |
510-680 |
-20/27J/23J |
S355J2G3 |
Fe 510 D1 |
St 52.3N |
Fe 52 D |
|
355 |
510-680 |
-20/27J/23J |
S355J2G4 |
Fe 510 D2 |
||
|
355 |
510-680 |
-20/40J/33J |
S355K2G3 |
Fe 510 DD1 |
||
| Markings and their definitions | ||||||
| S=Structural steel | J=Fracture energy resistance requirement 27 Joules | R=+20 C | G1=Non-condensed steel | |||
| nnn=Minimum yield strength N/mm2 | K=Fracture energy resistance requirement 40 Joules | O=+/- 0 C | G2=Non-condensed steel not allowed | |||
| (E.g. 235 or 355) Thickness of the | 2=-20 C | G3=Normalized or | ||||
| thinnest area | Normalization rolling | |||||
| G4=Delivery type may be selected by the manufacturer |