BÖHLER V358 in the British Standard Aerospace Series is a 3% Cr-Mo-V nitriding steel offering a tensile strength of 1,320-1,470 MPa. (excellent hardenability for high core strength) and develops a hard wear resistant case after surface treatment. The alloy is produced by vacuum arc remelting. (VAR)
Typical applications are gear shafts and crankshafts with maximum diameter of 70mm.
| SEL | EN | Market grade |
|---|---|---|
| 1.8523 | 39CrMoV13-9 | E40CDV12 |
| EN ISO | BS |
|---|---|
| 3969 | BS S132 |
| C | Si | Mn | P | S | Cr | Mo | Ni | V | Sn | |
|---|---|---|---|---|---|---|---|---|---|---|
| 0.35 to 0.43 | 0.10 to 0.35 | 0.40 to 0.70 | max. 0.020 | max. 0.020 | 3.0 to 3.5 | 0.80 to 1.10 | max. 0.30 | 0.15 to 0.25 | max. 0.030 |
