ASTM A276 S20500 Introduce
ASTM A276 S20500 steel is a versatile steel alloy, due to its low cost and good mechanical properties. It is strong, deformable, hardenable and weldable, making it useful for a variety of applications. It has good impact resistance and is relatively corrosion-resistant, making it well-suited for many industrial and manufacturing purposes.
Smelting temperature:1194°C - 1382°C
Application:Stainless steel bars and profiles
ASTM A276 S20500 Material Mechanical Properties
The mechanical properties of the ASTM A276 S20500 steel are as follows:
| YieldRp0.2 | ≤ 484 (MPa) |
| TeileRm | ≤ 813 (MPa) |
| ImpactKV/Ku | 34(J) |
| ElongationA | 12% |
| Reduction in cross section on fractureZ | 12% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 122 |
ASTM A276 S20500 Material Thermal Properties
The thermal performance parameters of the ASTM A276 S20500 steel are as follows:
| Temperature (°C) | 31 | 648 | 666 |
| Modulus of elasticity (GPa) | - | 793 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 31 |
| Thermal conductivity (W/m·°C) | - | 21.3 | 13.2 |
| Specific thermal capacity (J/kg·°C) | - | 224 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.11 | - | - |
| Deity (kg/dm³) | - | - | 234 |
| Poisson’s coefficient, ν | - | - | 434 |
ASTM A276 S20500 Material Machining Technology
ASTM A276 S20500 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.