Chemical composition
| element | min% | max% | |
|---|---|---|---|
| C | 0,20 | ||
| Si | 0,55 | ||
| Mn | 1,7 | ||
| P | 0,03 | ||
| S | 0,03 | ||
| N | 0,012 | ||
| Cu | 0,40 |
Comparative chart
international standards
| Nation | Standard |
| Czech/Slovak Republic | 422660 |
| Europa | S355 JO |
| Germany | S355JO |
| France | E 36-3 |
| Great Britan | 50C |
| Hungary | Fe 355/FN |
| Italy | Fe510 C |
| Rumania | OL 52.3 |
| Japon | SCC 3 |
| Russia | St4sp |
| Spain | S355 JO |
| China | Q345 |
| USA | A 441 |