ASTM A213/A213M Grade T23 Introduce
ASTM A213/A213M Grade T23 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 T23 steel is characterised by high strength, excellent corrosion resistance and watertight weldability.
Smelting temperature:1165°C - 1799°C
Application:Seamless ferritic and austenitic alloy steel boilers, superheaters and heat exchanger tubes
ASTM A213/A213M Grade T23 Material Chemical Composition
The chemical composition of the ASTM A213/A213M Grade T23 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Tungsten (W) | 1.4500 | 1.7500 |
| Nitrogen (N) | - | 0.0300 |
| Boron (B) | 0.0005 | 0.0060 |
| Aluminum (Al) | - | 0.0300 |
| Niobium (Nb) | 0.0200 | 0.0800 |
| Vanadium (V) | 0.2000 | 0.3000 |
| Molybdenum (Mo) | 0.0500 | 0.3000 |
| Chromium (Cr) | 1.9000 | 2.6000 |
| PhOsphorus (P) | - | 0.0300 |
| Sulfur (S) | - | 0.0100 |
| Manganese (Mn) | 0.1000 | 0.6000 |
| Silicon (Si) | - | 0.5000 |
| Carbon (C) | 0.0400 | 0.1000 |
ASTM A213/A213M Grade T23 Material Mechanical Properties
The mechanical properties of the ASTM A213/A213M Grade T23 steel are as follows:
| YieldRp0.2 | ≤ 962 (MPa) |
| TeileRm | ≤ 317 (MPa) |
| ImpactKV/Ku | 42(J) |
| ElongationA | 21% |
| Reduction in cross section on fractureZ | 24% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 442 |
ASTM A213/A213M Grade T23 Material Thermal Properties
The thermal performance parameters of the ASTM A213/A213M Grade T23 steel are as follows:
| Temperature (°C) | 31 | 577 | 823 |
| Modulus of elasticity (GPa) | - | 189 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 23 |
| Thermal conductivity (W/m·°C) | - | 43.3 | 22.2 |
| Specific thermal capacity (J/kg·°C) | - | 222 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.33 | - | - |
| Deity (kg/dm³) | - | - | 331 |
| Poisson’s coefficient, ν | - | - | 142 |