ASTM A213/A213M Type 347 Introduce
The ASTM A213/A213M Type 347 has excellent oxidation and corrosion resistance, excellent weldability and mechanical properties, making it an ideal choice for a range of industrial applications. The steel has high corrosion resistance and good strength, making it an excellent choice for working in corrosive environments. ASTM A213/A213M Type 347 also offers high levels of toughness and durability, meaning it can withstand harsh environmental conditions and still perform at its best.
Smelting temperature:1178°C - 1862°C
Application:Seamless ferritic and austenitic alloy steel boilers, superheaters and heat exchanger tubes
ASTM A213/A213M Type 347 Material Chemical Composition
The chemical composition of the ASTM A213/A213M Type 347 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Nickel (Ni) | 9.0000 | 13.0000 |
| Chromium (Cr) | 17.0000 | 20.0000 |
| PhOsphorus (P) | - | 0.0400 |
| Sulfur (S) | - | 0.0300 |
| Manganese (Mn) | - | 2.0000 |
| Silicon (Si) | - | 0.7500 |
| Carbon (C) | - | 0.0800 |
ASTM A213/A213M Type 347 Material Mechanical Properties
The mechanical properties of the ASTM A213/A213M Type 347 steel are as follows:
| YieldRp0.2 | ≤ 779 (MPa) |
| TeileRm | ≤ 419 (MPa) |
| ImpactKV/Ku | 33(J) |
| ElongationA | 42% |
| Reduction in cross section on fractureZ | 21% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 342 |
ASTM A213/A213M Type 347 Material Thermal Properties
The thermal performance parameters of the ASTM A213/A213M Type 347 steel are as follows:
| Temperature (°C) | 13 | 163 | 376 |
| Modulus of elasticity (GPa) | - | 563 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 11 |
| Thermal conductivity (W/m·°C) | - | 44.3 | 22.2 |
| Specific thermal capacity (J/kg·°C) | - | 112 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.43 | - | - |
| Deity (kg/dm³) | - | - | 144 |
| Poisson’s coefficient, ν | - | - | 124 |