ASTM A299 Grade B ASTM A299/A299M
Boiler and Pressure Vessel Steel Product Introduction
A299 Grade B steel sheet, A299 Grade B steel density, A299 Grade B grade, A299 Grade B specification, A299 Grade B chemistry, A299 Grade B equivalent, A299 Grade B steel equivalent, A299 Grade B yield strength, A299 Grade B steel plate thickness chart, ASTM A299 Grade B ASTM A299/A299M physical properties,Mechanical Properties of ASTM A299 Grade B ASTM A299/A299M Steel
Application: Pressure vessel plate, carbon steel, manganese silicon.
Heat treated: 1519°C - 1485°C.
Boiler and Pressure Vessel Steel Product Details
ASTM A299 Grade B ASTM A299/A299M Chemical element
Steel Grade A299 Grade B composition information, ASTM A299 Grade B ASTM A299/A299M element content, ASTM A299 Grade B ASTM A299/A299M Heat treatment, ASTM A299 Grade B ASTM A299/A299M chemistry
| Element | Min | Max | Similar |
|---|---|---|---|
| Si | 0.1500 | 0.4000 | - |
| S | - | 0.0250 | - |
| P | - | 0.0250 | - |
| Mn | 0.9000 | 1.4000 | - |
| C | - | 0.2800 | - |
ASTM A299 Grade B ASTM A299/A299M Mechanical properties
| 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) |
|---|---|---|---|---|---|---|
| 388 (≥) | 946 (≥) | 33 | 22 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 344 |
ASTM A299 Grade B ASTM A299/A299M Physical properties
The ASTM A299 Grade B ASTM A299/A299M material physical properties shall comply with the values given in the following table.
| 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 |
|---|---|---|---|---|---|---|---|
| 31 | - | - | 0.21 | - | |||
| 413 | 441 | - | 42.3 | 123 | - | ||
| 479 | - | 23 | 14.2 | 133 | 213 |
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