ASTM A677 64F235 Introduce
ASTM A677 64F235 covers the requirements for fully processed non-oriented electrical steel, which is produced from low-carbon steel through a series of advanced processing steps. The steel is specifically designed to exhibit uniform magnetic properties in all directions, making it ideal for applications where efficient energy conversion and minimal core losses are essential.
Smelting temperature:1498°C - 1643°C
Application:Fully processed non-oriented electrical steel
ASTM A677 64F235 Material Mechanical Properties
The mechanical properties of the ASTM A677 64F235 steel are as follows:
| YieldRp0.2 | ≤ 779 (MPa) |
| TeileRm | ≤ 621 (MPa) |
| ImpactKV/Ku | 22(J) |
| ElongationA | 42% |
| Reduction in cross section on fractureZ | 11% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 413 |
ASTM A677 64F235 Material Thermal Properties
The thermal performance parameters of the ASTM A677 64F235 steel are as follows:
| Temperature (°C) | 33 | 131 | 487 |
| Modulus of elasticity (GPa) | - | 773 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 14 |
| Thermal conductivity (W/m·°C) | - | 24.3 | 42.2 |
| Specific thermal capacity (J/kg·°C) | - | 122 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.23 | - | - |
| Deity (kg/dm³) | - | - | 413 |
| Poisson’s coefficient, ν | - | - | 442 |