ASTM A213/A213M S21500 Introduce
ASTM A213/A213M S21500 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 S21500 steel is characterised by high strength, excellent corrosion resistance and watertight weldability.
Smelting temperature:1294°C - 1739°C
Application:Seamless ferritic and austenitic alloy steel boilers, superheaters and heat exchanger tubes
ASTM A213/A213M S21500 Material Chemical Composition
The chemical composition of the ASTM A213/A213M S21500 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Boron (B) | 0.0030 | 0.0090 |
| Niobium (Nb) | 0.7500 | 1.2500 |
| Vanadium (V) | 0.1500 | 0.4000 |
| Molybdenum (Mo) | 0.8000 | 1.2000 |
| Nickel (Ni) | 9.0000 | 11.0000 |
| Chromium (Cr) | 14.0000 | 16.0000 |
| PhOsphorus (P) | - | 0.0450 |
| Sulfur (S) | - | 0.0300 |
| Manganese (Mn) | 5.5000 | 7.0000 |
| Silicon (Si) | 0.2000 | 1.0000 |
| Carbon (C) | 0.0600 | 0.1500 |
ASTM A213/A213M S21500 Material Mechanical Properties
The mechanical properties of the ASTM A213/A213M S21500 steel are as follows:
| YieldRp0.2 | ≤ 233 (MPa) |
| TeileRm | ≤ 417 (MPa) |
| ImpactKV/Ku | 23(J) |
| ElongationA | 11% |
| Reduction in cross section on fractureZ | 34% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 324 |
ASTM A213/A213M S21500 Material Thermal Properties
The thermal performance parameters of the ASTM A213/A213M S21500 steel are as follows:
| Temperature (°C) | 43 | 692 | 561 |
| Modulus of elasticity (GPa) | - | 457 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 12 |
| Thermal conductivity (W/m·°C) | - | 44.3 | 14.2 |
| Specific thermal capacity (J/kg·°C) | - | 233 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.11 | - | - |
| Deity (kg/dm³) | - | - | 223 |
| Poisson’s coefficient, ν | - | - | 243 |