ASTM A662 Grade B ASTM A662/A662M
Boiler and Pressure Vessel Steel Product Introduction
ASTM A662 Grade B ASTM A662/A662M is one of the main products of our company. Other than offer high quality A662 Grade B with competitive price, we also help to resolve all kinds of doubts of clients. Such as A662 Grade B chemical composition, A662 Grade B properties,A662 Grade B yield strength, A662 Grade B tensile strength, A662 Grade B equivalent grades, etc. Meanwhile, we also do procesing for ASTM A662 Grade B ASTM A662/A662M, including cutting, bending, welding, drilling, etc.
Application: Manganese carbon steel plate specifications for medium and low temperature pressure vessels.
Heat treated: 1288°C - 1159°C.
Boiler and Pressure Vessel Steel Product Details
ASTM A662 Grade B ASTM A662/A662M Chemical element
Carbon, Silicon, Manganese, Phosphorus, Sulfur are the main basic elements in ASTM A662 Grade B ASTM A662/A662M.
Carbon is the most important hardening element in steel.
Silicon helps to strengthen the strength. Like manganese, silicon is used to maintain the strength of steel during steel production.
Manganese is the important austenite stabilizing elements contribute to the formation of texture structure and increase the firmness, strength and wear resistance.
Phosphorus is a harmful element. Reducing the plasticity and toughness of steel and appearing cold brittleness. It can significantly increase the strength of steel, and improve the atmospheric corrosion stability. The content should be limited to less than 0.05%.
Usually sulfur is a harmful element, which makes the hot brittleness of steel high, and the content of sulfur is limited to less than 0.05%.
| Element | Min | Max | Similar |
|---|---|---|---|
| P | - | 0.0350 | - |
| S | - | 0.0350 | - |
| Mn | 0.8500 | 1.5000 | - |
| Si | 0.1500 | 0.4000 | - |
| C | - | 0.1900 | - |
| Si | 0.1300 | 0.4500 | - |
| S | - | 0.0250 | - |
| P | - | 0.0250 | - |
| Mn | 0.7900 | 1.6200 | - |
| C | - | 0.2200 | - |
ASTM A662 Grade B ASTM A662/A662M 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) |
|---|---|---|---|---|---|---|
| 391 (≥) | 223 (≥) | 22 | 34 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 111 |
ASTM A662 Grade B ASTM A662/A662M Physical properties
Basic Physical Properties of ASTM A662 Grade B ASTM A662/A662M Steel
| 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 |
|---|---|---|---|---|---|---|---|
| 34 | - | - | 0.42 | - | |||
| 764 | 925 | - | 33.3 | 334 | - | ||
| 565 | - | 44 | 23.2 | 331 | 224 |
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