24 July 2021 Free-Cutting Steel Bar
38MnVs6 Free Cutting Steel Bar
38MnVs6 equivalent to DIN 1.1303 free cutting steel, This high strength Mn-V-based steel is a low alloy high-grade steel with good machinability for controlled cooling from working heat (BY-treatment, condition +P according to DIN EN 10267). Applicable for automotive components as chrankshafts, push rods, rotating bearings, axle journals, hubs and piston heads.
Chemical Composition:
| C | Si | Mn | P | S | Cr | Mo | V | N |
|---|---|---|---|---|---|---|---|---|
| 0.34 - 0.41 | 0.15 - 0.8 | 1.2 - 1.6 | max 0.025 | 0.02 - 0.06 | max 0.3 | max 0.08 | 0.08 - 0.2 | 0.01 - 0.02 |
Mechanical Properties:
| Rm - Tensile strength (MPa) (+QT) | 570-850 |
| Nominal thickness (mm): | 5 - 10 | 10 - 16 | 16 - 40 | 40 - 63 | 63 - 100 |
| Rm - Tensile strength (MPa) (+C) | 660-960 | 620-920 | 600-900 | 580-840 | 560-820 |
| Rp0.2 0.2% proof strength (MPa) (+QT) | 360-480 |
| Nominal thickness(mm): | 5 - 10 | 10 - 16 | 16 - 40 | 40 - 63 | 63 - 100 |
| Rp0.2 0.2% proof strength (MPa) (+C) | 500 | 440 | 390 | 360 | 340 |
| A - Min. elongation at fracture (%) (+QT) | 14-17 |
| Nominal thickness (mm): | 5 - 10 | 10 - 16 | 16 - 40 | 40 - 63 | 63 - 100 |
| A - Min. elongation at fracture (%) (+C) | 6 | 6 | 7 | 8 | 9 |
| Brinell hardness (HBW): (+SH) | 163 - 222 |