ASTM A108 1137 Introduce
ASTM A108 1137 addresses the hardness and surface condition of cold-finished carbon steel bars. manufacturers can ensure that the cold-finished carbon steel bars meet the necessary mechanical and surface property requirements for their intended applications. These bars play a crucial role in a wide range of engineering and structural applications where strength, durability, and dimensional precision are essential.
Smelting temperature:1667°C - 1336°C
Application:High-quality cold-worked carbon steel bar technical specifications
ASTM A108 1137 Material Chemical Composition
The chemical composition of the ASTM A108 1137 steel are as follows:
| Element | Min | Max |
|---|---|---|
| PhOsphorus (P) | - | 0.0400 |
| Sulfur (S) | 0.0800 | 0.1300 |
| Manganese (Mn) | 1.3500 | 1.6500 |
| Silicon (Si) | 0.1500 | 0.3500 |
| Carbon (C) | 0.3200 | 0.3900 |
ASTM A108 1137 Material Mechanical Properties
The mechanical properties of the ASTM A108 1137 steel are as follows:
| YieldRp0.2 | ≤ 547 (MPa) |
| TeileRm | ≤ 563 (MPa) |
| ImpactKV/Ku | 22(J) |
| ElongationA | 33% |
| Reduction in cross section on fractureZ | 11% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 433 |
ASTM A108 1137 Material Thermal Properties
The thermal performance parameters of the ASTM A108 1137 steel are as follows:
| Temperature (°C) | 31 | 137 | 362 |
| Modulus of elasticity (GPa) | - | 733 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 11 |
| Thermal conductivity (W/m·°C) | - | 41.3 | 13.2 |
| Specific thermal capacity (J/kg·°C) | - | 312 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.43 | - | - |
| Deity (kg/dm³) | - | - | 442 |
| Poisson’s coefficient, ν | - | - | 431 |