C15PB / 1.0403 | QUALITY STEEL>
| USA | Germany | England | Italy | W.Nr. | Sweden | Russia GOST | Inter ISO |
|---|---|---|---|---|---|---|---|
| SAE1020 | C22 | 070M20 | C21 | 1.0402 | 1450 | 20 | C25 |
| C | Mn | SI | P | S |
|---|---|---|---|---|
| 0.12 - 0.18 | 0.3 - 0.8 | max 0.4 | max 0.045 | max 0.045 |
| Per dimensions in improved condition (mm) | / | |
|---|---|---|
| Rm - Tensile strength (MPa) (+QT) | 500 - 800 |