ASTM A677 47F450 Introduce
Magnetic Induction (B): This property refers to the intensity of magnetization achieved in the material when subjected to an external magnetic field. ASTM A677 47F450 defines the range of magnetic induction values that the fully processed non-oriented electrical steel should exhibit.
Smelting temperature:1479°C - 1917°C
Application:Fully processed non-oriented electrical steel
ASTM A677 47F450 Material Mechanical Properties
The mechanical properties of the ASTM A677 47F450 steel are as follows:
| YieldRp0.2 | ≤ 226 (MPa) |
| TeileRm | ≤ 296 (MPa) |
| ImpactKV/Ku | 14(J) |
| ElongationA | 22% |
| Reduction in cross section on fractureZ | 24% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 411 |
ASTM A677 47F450 Material Thermal Properties
The thermal performance parameters of the ASTM A677 47F450 steel are as follows:
| Temperature (°C) | 32 | 456 | 898 |
| Modulus of elasticity (GPa) | - | 233 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 23 |
| Thermal conductivity (W/m·°C) | - | 32.3 | 13.2 |
| Specific thermal capacity (J/kg·°C) | - | 311 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.13 | - | - |
| Deity (kg/dm³) | - | - | 443 |
| Poisson’s coefficient, ν | - | - | 413 |