Chemical composition
| element | min% | max% | |
|---|---|---|---|
| C | 0,21 | ||
| Mn | 1,5 | ||
| P | 0,035 | ||
| S | 0,035 | ||
| N | 0,012 | ||
| Cu | 0,40 | ||
Comparative chart
international standards
| Nation | Standard |
| Canada | 38W |
| Czech/Slovak Republic | 11448 |
| Europa | S275JR Fe 42 B |
| Germany | St 44-2 |
| Frence | E 28-2 |
| Great Britan | En 43 D |
| Hungary | Fe 275 |
| Italy | FE 430 |
| Polon | St 4W |
| Rumania | OL 44.4 |
| Japon | Sm 41 |
| Russia | St4ps |
| Spain | AE 275 |
| Sveden | 1412 |
| China | Q345 |
| USA | AISI 1020 |