USA SAE A 249/A 249M (2010), A 249 TP309S 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 TP309S | Austenite | SAE | USA | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| C | Si | Mn | P | S | Cr | Ni |
|---|---|---|---|---|---|---|
| ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 22.0 -24.0 | 12.0 -15.0 |
| 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) |
|---|---|---|---|---|---|---|
| 826 (≥) | 128 (≥) | 41 | 43 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 141 |
| 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 |
|---|---|---|---|---|---|---|---|
| 14 | - | - | 0.24 | - | |||
| 618 | 358 | - | 31.3 | 123 | - | ||
| 712 | - | 21 | 21.2 | 143 | 414 |
Heat treated : 1418°C - 1974°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| 309S | |||
| 309S | |||
| TP309S | |||
| TP309S | |||
| TP309S | |||
| TP309S | |||
| MT309S | |||
| MT-309S | |||
| MT-309S-Cb | |||
| 309S | |||
| AWS ER309Si | |||
| SUS309S | |||
| SUS309STP | |||
| SUS309STB | |||
| SUS309STB | |||
| SUS309STP | |||
| SUS309S | |||
| 309S24 | |||
| 309S24 | |||
| 309S20 |
| 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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