ASTM A249/A249M S31600 Introduce
ASTM A249/A249M S31600 is a type of steel referred to as a welded austenitic steel boiler and super heater tubes. It is a carbon steel alloy primarily composed of chromium and nickel, and may also include other elements such as copper and molybdenum. The mechanical properties of ASTM A249/A249M S31600 are remarkable, making it a popular choice for many components in various industries, such as plumbing, heating, and cooling systems.
Smelting temperature:1717°C - 1566°C
Application:Welded austenitic steel tubes for boilers, superheaters, heat exchangers and condensers
ASTM A249/A249M S31600 Material Mechanical Properties
Elongation is a measure of the amount of elasticity that a material has when it reaches its yield strength. The elongation of ASTM A249/A249M S31600 steel ranges from 16% to 36%. The higher the elongation, the more elasticity and flexibility the steel has, allowing it to undergo greater loading before reaching its permanent deformation point.
The mechanical properties of the ASTM A249/A249M S31600 steel are as follows:
| YieldRp0.2 | ≤ 232 (MPa) |
| TeileRm | ≤ 357 (MPa) |
| ImpactKV/Ku | 44(J) |
| ElongationA | 31% |
| Reduction in cross section on fractureZ | 44% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 123 |
ASTM A249/A249M S31600 Material Thermal Properties
The thermal performance parameters of the ASTM A249/A249M S31600 steel are as follows:
| Temperature (°C) | 33 | 563 | 628 |
| Modulus of elasticity (GPa) | - | 661 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 22 |
| Thermal conductivity (W/m·°C) | - | 31.3 | 12.2 |
| Specific thermal capacity (J/kg·°C) | - | 221 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.44 | - | - |
| Deity (kg/dm³) | - | - | 324 |
| Poisson’s coefficient, ν | - | - | 113 |
ASTM A249/A249M S31600 Material Machining Technology
Machinability is a measure of how easily a material can be cut, drilled, or finished using machine tools. ASTM A249/A249M S31600 steel has a high machinability rating and can be easily cut, drilled, or finished using machine tools.