ASTM A677 64F275 Introduce
Tensile Strength: ASTM A677 64F275 specifies the minimum tensile strength that the fully processed non-oriented electrical steel should possess. This property measures the material's ability to withstand pulling forces without breaking and is crucial for maintaining structural integrity.
Smelting temperature:1443°C - 1321°C
Application:Fully processed non-oriented electrical steel
ASTM A677 64F275 Material Chemical Composition
The chemical composition of the ASTM A677 64F275 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Silicon (Si) | - | 1.0000 |
| Sulfur (S) | - | 0.0300 |
| PhOsphorus (P) | - | 0.0400 |
| Nickel (Ni) | 9.0000 | 11.0000 |
| (Nb+Ta) | - | 1.0000 |
| Molybdenum (Mo) | - | 0.7500 |
| Manganese (Mn) | 0.5000 | 2.5000 |
| Copper (Cu) | - | 0.7500 |
| Chromium (Cr) | 18.0000 | 21.0000 |
| Carbon (C) | - | 0.0400 |
ASTM A677 64F275 Material Mechanical Properties
The mechanical properties of the ASTM A677 64F275 steel are as follows:
| YieldRp0.2 | ≤ 341 (MPa) |
| TeileRm | ≤ 129 (MPa) |
| ImpactKV/Ku | 31(J) |
| ElongationA | 13% |
| Reduction in cross section on fractureZ | 33% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 312 |
ASTM A677 64F275 Material Thermal Properties
The thermal performance parameters of the ASTM A677 64F275 steel are as follows:
| Temperature (°C) | 31 | 483 | 829 |
| Modulus of elasticity (GPa) | - | 661 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 24 |
| Thermal conductivity (W/m·°C) | - | 24.3 | 12.2 |
| Specific thermal capacity (J/kg·°C) | - | 113 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.32 | - | - |
| Deity (kg/dm³) | - | - | 433 |
| Poisson’s coefficient, ν | - | - | 323 |