24 July 2021 Free-Cutting Steel Bar
44SMnPb28 Free Cutting Steel Bar
Chemical composition % of steel 44SMnPb28 (DIN 1.0763): EN 10277-3-2008
| C | Si | Mn | P | S | Pb |
| 0.4 - 0.48 | max 0.4 | 1.3 - 1.7 | max 0.06 | 0.24 - 0.33 | 0.15 - 0.35 |
Mechanical properties of steel 44SMnPb28 (DIN 1.0763)
| Rm - Tensile strength (MPa) (+QT) | 700-850 |
| Nominal thickness (mm): | 5 - 10 | 10 - 16 | 16 - 40 | 40 - 63 | 63 - 100 |
| Rm - Tensile strength (MPa) (+C) | 760-1030 | 710-980 | 660-900 | 650-870 | 630-840 |
| Rp0.2 0.2% proof strength (MPa) (+QT) | 400-520 |
| Nominal thickness(mm): | 5 - 10 | 10 - 16 | 16 - 40 | 40 - 63 | 63 - 100 |
| Rp0.2 0.2% proof strength (MPa) (+C) | 600 | 530 | 460 | 430 | 390 |
| A - Min. elongation at fracture (%) (+QT) | 16 |
| Nominal thickness (mm): | 5 - 10 | 10 - 16 | 16 - 40 | 40 - 63 | 63 - 100 |
| A - Min. elongation at fracture (%) (+C) | 5 | 5 | 6 | 7 | 7 |
| Brinell hardness (HBW): (+SH) | 181 - 242 |