USA SAE A 249/A 249M (2010), A 249 S34565 Specialsteel Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | A 249 S34565 | Austenite | SAE | USA | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
C | Mn | Si | P | S | Cr | Ni | Mo | N | Nb |
---|---|---|---|---|---|---|---|---|---|
≤0.03 | 5.00 -7.00 | ≤1.00 | ≤0.03 | ≤0.01 | 23.00 -25.00 | 16.00 -18.00 | 4.00 -5.00 | 0.40 -0.60 | ≤0.10 |
Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
---|---|---|---|---|---|---|
219 (≥) | 398 (≥) | 32 | 12 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 232 |
Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
---|---|---|---|---|---|---|---|
33 | - | - | 0.42 | - | |||
229 | 375 | - | 22.3 | 421 | - | ||
864 | - | 21 | 23.2 | 242 | 212 |
Heat treated : 1612°C - 1427°C
A 249/A 249M (2010) | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes | A-249-A-249M-(2010).pdf |
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