ASTM A479/A479M 403 Condition 3 Introduce
ASTM A479/A479M 403 Condition 3 boiler steel is a highly reliable and durable material used in demanding industrial applications. Its combination of strength, corrosion resistance, and quality control make it an excellent choice for manufacturing boilers that can withstand high temperatures and pressures for extended periods of time. When selecting ASTM A479/A479M 403 Condition 3 boiler steel for a specific application, it is important to consider the grade and the heat treatment used during manufacturing to ensure it meets the required specifications.
Smelting temperature:1881°C - 1556°C
Application:Stainless steel and heat-resistant steel bars and profiles for boilers and pressure vessels
ASTM A479/A479M 403 Condition 3 Material Chemical Composition
The chemical composition of the ASTM A479/A479M 403 Condition 3 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Carbon (C) | - | 0.1500 |
| Manganese (Mn) | - | 1.0000 |
| PhOsphorus (P) | - | 0.0400 |
| Sulfur (S) | - | 0.0300 |
| Silicon (Si) | - | 0.5000 |
| Chromium (Cr) | 11.5000 | 13.0000 |
ASTM A479/A479M 403 Condition 3 Material Mechanical Properties
The mechanical properties of the ASTM A479/A479M 403 Condition 3 steel are as follows:
| YieldRp0.2 | ≤ 656 (MPa) |
| TeileRm | ≤ 352 (MPa) |
| ImpactKV/Ku | 22(J) |
| ElongationA | 43% |
| Reduction in cross section on fractureZ | 43% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 133 |
ASTM A479/A479M 403 Condition 3 Material Thermal Properties
The thermal performance parameters of the ASTM A479/A479M 403 Condition 3 steel are as follows:
| Temperature (°C) | 32 | 297 | 984 |
| Modulus of elasticity (GPa) | - | 567 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 12 |
| Thermal conductivity (W/m·°C) | - | 23.3 | 21.2 |
| Specific thermal capacity (J/kg·°C) | - | 112 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.11 | - | - |
| Deity (kg/dm³) | - | - | 211 |
| Poisson’s coefficient, ν | - | - | 321 |