ASTM A213/A213M S38815 Introduce
ASTM A213/A213M S38815 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 S38815 steel is characterised by high strength, excellent corrosion resistance and watertight weldability.
Smelting temperature:1127°C - 1651°C
Application:Seamless ferritic and austenitic alloy steel boilers, superheaters and heat exchanger tubes
ASTM A213/A213M S38815 Material Chemical Composition
The chemical composition of the ASTM A213/A213M S38815 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Copper (Cu) | 0.7500 | 1.5000 |
| Aluminum (Al) | - | 0.3000 |
| Molybdenum (Mo) | 0.7500 | 1.5000 |
| Nickel (Ni) | 15.0000 | 17.0000 |
| Chromium (Cr) | 13.0000 | 15.0000 |
| PhOsphorus (P) | - | 0.0400 |
| Sulfur (S) | - | 0.0200 |
| Manganese (Mn) | - | 2.0000 |
| Silicon (Si) | 5.5000 | 6.5000 |
| Carbon (C) | - | 0.0300 |
ASTM A213/A213M S38815 Material Mechanical Properties
The mechanical properties of the ASTM A213/A213M S38815 steel are as follows:
| YieldRp0.2 | ≤ 381 (MPa) |
| TeileRm | ≤ 737 (MPa) |
| ImpactKV/Ku | 22(J) |
| ElongationA | 34% |
| Reduction in cross section on fractureZ | 43% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 213 |
ASTM A213/A213M S38815 Material Thermal Properties
The thermal performance parameters of the ASTM A213/A213M S38815 steel are as follows:
| Temperature (°C) | 13 | 253 | 947 |
| Modulus of elasticity (GPa) | - | 216 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 14 |
| Thermal conductivity (W/m·°C) | - | 13.3 | 34.2 |
| Specific thermal capacity (J/kg·°C) | - | 344 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.33 | - | - |
| Deity (kg/dm³) | - | - | 144 |
| Poisson’s coefficient, ν | - | - | 311 |