ASTM A514/A514M Grade B Introduce
ASTM A514/A514M Grade Bs provide good mechanical properties and are designed to satisfy a wide range of applications. The steel is tough and resistant to wear, making it suitable for both heavy-duty and light-duty uses. It generally exhibits good weldability and is relatively low in cost. The steel is also easily machined and can be formed into different shapes and sizes.
Smelting temperature:1965°C - 1926°C
Application:High yield strength alloy steel plate for tempering and quenching for welding
ASTM A514/A514M Grade B Material Mechanical Properties
The mechanical properties of ASTM A514/A514M Grade B steel include yield strength, tensile strength, and elongation. The yield strength is the most important property and tends to be around 100 ksi (690 MPa). Additionally, the tensile strength is typically about 120 ksi (830 MPa), and the elongation can be as high as 21%. The cold-forming characteristics of the steel also make it easier to weld, machine, and work.
The mechanical properties of the ASTM A514/A514M Grade B steel are as follows:
| YieldRp0.2 | 526 (≥)(MPa) |
| TeileRm | 578 (≥)(MPa) |
| ImpactKV/Ku | 34(J) |
| ElongationA | 33% |
| Reduction in cross section on fractureZ | 12% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 113 |
ASTM A514/A514M Grade B Material Thermal Properties
The thermal performance parameters of the ASTM A514/A514M Grade B steel are as follows:
| Temperature (°C) | 22 | 155 | 993 |
| Modulus of elasticity (GPa) | - | 836 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 13 |
| Thermal conductivity (W/m·°C) | - | 42.3 | 21.2 |
| Specific thermal capacity (J/kg·°C) | - | 222 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.43 | - | - |
| Deity (kg/dm³) | - | - | 323 |
| Poisson’s coefficient, ν | - | - | 323 |
ASTM A514/A514M Grade B Material Machining Technology
ASTM A514/A514M Grade B steel is a high strength alloy steel plate with good workability and a high yield strength. It is often used in construction, mining, and agricultural equipment. In order to ensure the qualities of the steel plate, the machining of ASTM A514/A514M Grade B steel is done at a specific temperature to prevent it from becoming brittle and losing its strength.