ASTM A108 12L13 Introduce
ASTM A108 12L13 specifies the requirements for cold-finished carbon steel bars, which are commonly used in various industries such as construction, manufacturing, and automotive. Cold working processes, including cold drawing, cold rolling, or centerless grinding, are employed to achieve the desired properties and characteristics in the final product.
Smelting temperature:1143°C - 1998°C
Application:High-quality cold-worked carbon steel bar technical specifications
ASTM A108 12L13 Material Chemical Composition
The chemical composition of the ASTM A108 12L13 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Lead (Pb) | 0.1500 | 0.3500 |
| PhOsphorus (P) | 0.0700 | 0.1200 |
| Sulfur (S) | 0.2400 | 0.3300 |
| Manganese (Mn) | 0.7000 | 1.0000 |
| Silicon (Si) | 0.1500 | 0.3500 |
| Carbon (C) | - | 0.1300 |
ASTM A108 12L13 Material Mechanical Properties
The mechanical properties of the ASTM A108 12L13 steel are as follows:
| YieldRp0.2 | ≤ 872 (MPa) |
| TeileRm | ≤ 656 (MPa) |
| ImpactKV/Ku | 41(J) |
| ElongationA | 12% |
| Reduction in cross section on fractureZ | 14% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 224 |
ASTM A108 12L13 Material Thermal Properties
The thermal performance parameters of the ASTM A108 12L13 steel are as follows:
| Temperature (°C) | 12 | 677 | 331 |
| Modulus of elasticity (GPa) | - | 267 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 43 |
| Thermal conductivity (W/m·°C) | - | 41.3 | 13.2 |
| Specific thermal capacity (J/kg·°C) | - | 232 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.11 | - | - |
| Deity (kg/dm³) | - | - | 143 |
| Poisson’s coefficient, ν | - | - | 331 |