| steel grades | surface finishing | Ø diameter (mm) |
|---|---|---|
| Aisi 4130 +QT |
hot rolled forged turned |
40-400 |
| Aisi 4140 +QT |
hot rolled forged turned |
32-280 |
| 25CrMo4 |
hot rolled peeled h13/k13 |
30-290 |
| ASTM A350 LF2 |
hot rolled peeled |
20-520 |
| ASTM A105 |
hot rolled peeled |
20-520 |