USA SAE A 249/A 249M (2010), A 249 S30415 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 S30415 | Austenite | SAE | USA | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
C | Mn | Si | P | S | Cr | Ni | Mo | N | Ce |
---|---|---|---|---|---|---|---|---|---|
≤0.05 | ≤0.60 | ≤1.30 | ≤ ≥ | ≤ ≥ | ≤18.5 | ≤9.50 | ≤ ≥ | ≤0.15 | ≤0.04 |
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) |
---|---|---|---|---|---|---|
865 (≥) | 868 (≥) | 22 | 24 | 41 | 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 |
---|---|---|---|---|---|---|---|
13 | - | - | 0.13 | - | |||
747 | 161 | - | 23.3 | 114 | - | ||
241 | - | 43 | 31.2 | 443 | 234 |
Heat treated : 1422°C - 1577°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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