ASTM A108 1020CW Introduce
ASTM A108 1020CW is a specification standard established by ASTM International for cold-finished carbon steel bars. This standard covers a wide range of carbon steel bar products that have undergone cold working processes, resulting in improved dimensional accuracy, surface finish, and mechanical properties.
Smelting temperature:1548°C - 1163°C
Application:High-quality cold-worked carbon steel bar technical specifications
ASTM A108 1020CW Material Mechanical Properties
The mechanical properties of the ASTM A108 1020CW steel are as follows:
| YieldRp0.2 | ≤ 552 (MPa) |
| TeileRm | ≤ 735 (MPa) |
| ImpactKV/Ku | 34(J) |
| ElongationA | 44% |
| Reduction in cross section on fractureZ | 12% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 333 |
ASTM A108 1020CW Material Thermal Properties
The thermal performance parameters of the ASTM A108 1020CW steel are as follows:
| Temperature (°C) | 21 | 179 | 231 |
| Modulus of elasticity (GPa) | - | 926 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 33 |
| Thermal conductivity (W/m·°C) | - | 43.3 | 11.2 |
| Specific thermal capacity (J/kg·°C) | - | 231 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.43 | - | - |
| Deity (kg/dm³) | - | - | 343 |
| Poisson’s coefficient, ν | - | - | 243 |