USA AMS SA-409/SA-409M, SA-409 S31254 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 | SA-409 S31254 | Austenite | AMS | USA | Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service |
| C | Mn | Si | P | S | Cr | Ni | Mo | Cu | N |
|---|---|---|---|---|---|---|---|---|---|
| ≤0.02 | ≤1.00 | ≤0.80 | ≤0.03 | ≤0.01 | 19.50 -20.50 | 17.50 -18.50 | 6.00 -6.50 | 0.50 -1.00 | 0.18 -0.22 |
| 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) |
|---|---|---|---|---|---|---|
| 394 (≥) | 645 (≥) | 24 | 32 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 231 |
| 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 |
|---|---|---|---|---|---|---|---|
| 44 | - | - | 0.24 | - | |||
| 929 | 898 | - | 44.3 | 133 | - | ||
| 139 | - | 34 | 12.2 | 223 | 434 |
Heat treated : 1681°C - 1784°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| 254SMO | |||
| 254SMO(S31254) | |||
| S31254 | |||
| S31254 | |||
| S31254 | |||
| S31254 | |||
| S31254 | |||
| S31254 | |||
| S31254 | |||
| S31254 |
| SA-409/SA-409M | Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service | SA-409-SA-409M.pdf |
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