USA SAE A 409/A 409M (2009), A 409 S31725 Specialsteel Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | A 409 S31725 | Austenite | SAE | USA | Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service |
| C | Mn | Si | P | S | Cr | Ni | Mo | Cu | N |
|---|---|---|---|---|---|---|---|---|---|
| ≤0.03 | ≤2.00 | ≤0.75 | ≤0.045 | ≤0.03 | 18.00 -20.00 | 13.50 -17.50 | 4.00 -5.00 | ≤0.75 | ≤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) |
|---|---|---|---|---|---|---|
| 999 (≥) | 237 (≥) | 31 | 31 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 414 |
| 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 |
|---|---|---|---|---|---|---|---|
| 23 | - | - | 0.41 | - | |||
| 748 | 831 | - | 32.3 | 323 | - | ||
| 693 | - | 34 | 43.2 | 114 | 334 |
Heat treated : 1839°C - 1376°C
| A 409/A 409M (2009) | Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service | A-409-A-409M-(2009).pdf |
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