ASME SA-249/SA-249M TP316 Introduce
ASME SA-249/SA-249M TP316 is a type of stainless steel used in many applications in the modern industries. It is a tough, corrosion-resistant and high-grade alloy steel that has an extensive range of welding and machining applications. The material is used in many applications in the chemical, petrochemical and nuclear industries, among many other uses. It is a grade of alloy steel that exhibits resistance to corrosion in the most aggressive of environments. The material has good weldability, is corrosion-resistant and has high strength and wear resistance.
Smelting temperature:1983°C - 1892°C
Application:Welded austenitic steel tubes for boilers, superheaters, heat exchangers and condensers
ASME SA-249/SA-249M TP316 Material Mechanical Properties
The mechanical properties of the ASME SA-249/SA-249M TP316 steel are as follows:
| YieldRp0.2 | ≤ 476 (MPa) |
| TeileRm | ≤ 588 (MPa) |
| ImpactKV/Ku | 13(J) |
| ElongationA | 21% |
| Reduction in cross section on fractureZ | 24% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 412 |
ASME SA-249/SA-249M TP316 Material Thermal Properties
The thermal performance parameters of the ASME SA-249/SA-249M TP316 steel are as follows:
| Temperature (°C) | 33 | 543 | 523 |
| Modulus of elasticity (GPa) | - | 694 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 34 |
| Thermal conductivity (W/m·°C) | - | 11.3 | 12.2 |
| Specific thermal capacity (J/kg·°C) | - | 312 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.32 | - | - |
| Deity (kg/dm³) | - | - | 421 |
| Poisson’s coefficient, ν | - | - | 432 |