ASTM A213/A213M Grade T3b Introduce
ASTM A213/A213M Grade T3b steel is a ferritic and austenitic stainless steel that is widely used in many industrial applications including power generation, chemical, desalination and petrochemical plants. ASTM A213/A213M Grade T3b steel is characterised by high strength, excellent corrosion resistance and watertight weldability.
Smelting temperature:1456°C - 1593°C
Application:Seamless ferritic and austenitic alloy steel boilers, superheaters and heat exchanger tubes
ASTM A213/A213M Grade T3b Material Mechanical Properties
The mechanical properties of the ASTM A213/A213M Grade T3b steel are as follows:
| YieldRp0.2 | ≤ 463 (MPa) |
| TeileRm | ≤ 915 (MPa) |
| ImpactKV/Ku | 44(J) |
| ElongationA | 12% |
| Reduction in cross section on fractureZ | 32% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 421 |
ASTM A213/A213M Grade T3b Material Thermal Properties
The thermal performance parameters of the ASTM A213/A213M Grade T3b steel are as follows:
| Temperature (°C) | 41 | 132 | 766 |
| Modulus of elasticity (GPa) | - | 655 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 34 |
| Thermal conductivity (W/m·°C) | - | 24.3 | 41.2 |
| Specific thermal capacity (J/kg·°C) | - | 242 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.23 | - | - |
| Deity (kg/dm³) | - | - | 434 |
| Poisson’s coefficient, ν | - | - | 131 |