DC03 is mainly used for stamping, such as auto parts and electrical appliances parts.
DC03 Steel Chemical Properties
Grade | C | Mn | S | P | Alt |
DC03 | ≤0.10 | ≤0.45 | ≤0.035 | ≤0.035 | ≥0.020 |
DC03 Steel Mechanical properties
| Yield Rp0.2 (MPa) | Tensile Rm (MPa) | Impact KV/Ku (J) | Elongation A (%) | Reduction in cross section on fracture Z (%) | As-Heat-Treated Condition | Brinell hardness (HBW) |
| 211 (≥) | 746 (≥) | 32 | 44 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 443 |
DC03 Physical Properties
| Temperature (°C) | Modulus of elasticity (GPa) | Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) | Specific thermal capacity (J/kg·°C) | Specific electrical resistivity (Ω mm²/m) | Density (kg/dm³) | Poisson’s coefficient, ν |
| 34 | - | - | 0.32 | - | |||
| 277 | 935 | - | 22.3 | 232 | - | ||
| 671 | - | 41 | 41.2 | 414 | 411 |
