ASTM A514 Grade B
ASTM A514 Grade B steel Product Introduction
ASTM A514 Grade B ASTM A514/A514M steel is composed of iron and other alloying elements such as chromium, cobalt, manganese, molybdenum, nickel, titanium, and vanadium. These elements combine to form an alloy that is highly resistant to corrosion and wear.
ASTM A514 Grade B Steel Product Details
The yield refers to the transition of ASTM A514 Grade B ASTM A514/A514M from non-uniform elastic state to elastic-plastic state after reaching a certain deformation stress. It marks the beginning of macro-plastic deformation.
Tensile strength(Rm) refers to the maximum stress that ASTM A514 Grade B ASTM A514/A514M bears before breaking. When the steel yields to a certain extent, its resistance to deformation increases again due to the rearrangement of internal grains. At this time, although the deformation develops rapidly, it can only increase with the increase of stress until the maximum stress is reached. Thereafter, the ASTM A514 Grade B ASTM A514/A514M is ability to resist deformation is obviously reduced, and a large plastic deformation occurs at the weakest point, where the section of the specimen shrinks rapidly, leading to necking until fracture. The maximum stress value of ASTM A514 Grade B ASTM A514/A514M before tensile fracture is called strength limit or tensile strength.
| Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 526 (≥) | 578 (≥) | 34 | 33 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 113 |
ASTM A514 Grade B ASTM A514/A514M Physical Properties
Physical performance parameters of ASTM A514 Grade B ASTM A514/A514M are mainly indicated by thermal conductivity, specific thermal capacity, modulus of elasticity, coefficient of thermal expansion, electrical resistance value, density, poisson's ratio, etc. parameters of ASTM A514 Grade B ASTM A514/A514M.
| Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson's coefficient, ν |
|---|---|---|---|---|---|---|---|
| 22 | - | - | 0.43 | - | |||
| 155 | 836 | - | 42.3 | 222 | - | ||
| 993 | - | 13 | 21.2 | 323 | 323 |
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