ASTM A276 S44004 Introduce
ASTM A276 S44004 steel is a highly versatile material that has a wide array of applications in many industries, from construction to automotive and aerospace. It is a popular stainless steel choice due to its mechanical properties, corrosion resistance, and formability. One of the key properties of ASTM A276 S44004 steel is its thermal properties, which make it an ideal choice for high-temperature applications.
Smelting temperature:1832°C - 1645°C
Application:Stainless steel bars and profiles
ASTM A276 S44004 Material Mechanical Properties
The mechanical properties of the ASTM A276 S44004 steel are as follows:
| YieldRp0.2 | ≤ 142 (MPa) |
| TeileRm | ≤ 122 (MPa) |
| ImpactKV/Ku | 12(J) |
| ElongationA | 32% |
| Reduction in cross section on fractureZ | 23% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 411 |
ASTM A276 S44004 Material Thermal Properties
The thermal performance parameters of the ASTM A276 S44004 steel are as follows:
| Temperature (°C) | 11 | 481 | 913 |
| Modulus of elasticity (GPa) | - | 156 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 12 |
| Thermal conductivity (W/m·°C) | - | 14.3 | 13.2 |
| Specific thermal capacity (J/kg·°C) | - | 243 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.44 | - | - |
| Deity (kg/dm³) | - | - | 343 |
| Poisson’s coefficient, ν | - | - | 214 |
ASTM A276 S44004 Material Machining Technology
ASTM A276 S44004 is a specification for stainless steel bars and shapes. It includes here grades of stainless steel, chemistry limits, heat treat requirements and mechanical properties. It gives guidance on forming and machining as well as for welding and heat-treating.