Chemical composition
| element | min% | max% | |
|---|---|---|---|
| C | 0,42 | 0,50 | |
| Si | 0,15 | 0,35 | |
| Mn | 0,50 | 0,80 | |
| P | 0 | 0,035 | |
| S | 0 | 0,035 |
Comparative chart
international standards
| Nazion | Standard |
| Australia | 1045 |
| Bulgary | 45 |
| Czech/Slovak Republic | 12050 |
| Europa | C45 C45E C45R |
| Germany | C45 Ck45 Cr45 |
| France | AF 65 C45 |
| Great Britan | 080 M 46 50Hs,Cs |
| Italy | C45 |
| Polon | 45 |
| Rumania | OLC 35 OLC 45 OLC 45q |
| Russia | 45 |
| Spain | 1 C 45 F.114 |
| China | 45 |
| USA | 1043 1045 |