Chemical composition
| element | min% | max% | |
|---|---|---|---|
| C | 0,18 | 0,24 | |
| Si | 0,15 | 0,35 | |
| Mn | 0,40 | 0,80 | |
| P | 0 | 0,035 | |
| S | 0 | 0,035 | |
Comparative chart
international standards
| Nazione | Standard |
| Australia | 1020 |
| Bulgary | 20 |
| Czech/Slovak Republic | 12024 |
| Europa | C22E C22R |
| Germany | C 22 |
| France | XC18 AF 42 |
| Great Britan | 070 M 20 055 M 15 |
| Italy | C20 C21 C22 |
| Polon | 20 |
| Rumania | OLC 20 |
| Japan | S 20 C S 22 C |
| Russia | 20 |
| Spain | 1 C 22 F.112 |
| Sveden | 1450 |
| China | 20 |
| USA | 1020 (SAE) A 29 (M 1020) ASTM |