USA SAE A 249/A 249M (2010) , A 249 TPXM-29 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 TPXM-29 | Austenite | SAE | USA | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes | 
| C | Si | Mn | P | S | Cr | Ni | N | 
|---|---|---|---|---|---|---|---|
| ≤0.08 | ≤1.00 | 11.5 -14.5 | ≤0.06 | ≤0.03 | 17.0 -19.0 | 2.25 -3.75 | 0.20 -0.40 | 
| 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) | 
|---|---|---|---|---|---|---|
| 171 (≥) | 871 (≥) | 12 | 33 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 211 | 
| 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 | - | - | 0.14 | - | |||
| 421 | 811 | - | 32.3 | 242 | - | ||
| 794 | - | 34 | 43.2 | 433 | 244 | 
Heat treated : 1596°C - 1498°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| XM-29 | |||
| XM-29J | |||
| TPXM-29 | |||
| TPXM-29 | |||
| TPXM-29 | |||
| TPXM-29 | |||
| XM-29 | |||
| S24000 | |||
| S24000 | |||
| S24000 | |||
| S24000 | |||
| S24000 | |||
| S24000 | |||
| S24000 | 
| 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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