| USA | DIN | France | England | Spain | W.Nr. | METAL | Russia GOST |
Inter ISO |
|---|---|---|---|---|---|---|---|---|
| 420 | X20Cr13 | X20Cr13 | 420S29 | 2303 | 1.4021 | PK 3 | 20KH13 | X20Cr13 |
| C | Si | Mn | P | S | Cr |
|---|---|---|---|---|---|
| 0.16 - 0.25 | max 1.0 | max 1.5 | max 0.04 | max 0.015 | 12 - 14 |
| Per dimensions in improved condition (mm) | D 20- 250 mm |
|---|---|
| Rm - Tensile strength (MPa) (+QT) | 650-950 N/mm2 |