USA SAE A 249/A 249M (2010), A 249 S31700 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 S31700 | Austenite | SAE | USA | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
C | Si | Mn | P | S | Cr | Ni | Mo | N |
---|---|---|---|---|---|---|---|---|
≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 18.00 -20.00 | 11.00 -15.00 | 3.00 -4.00 | ≤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) |
---|---|---|---|---|---|---|
545 (≥) | 482 (≥) | 13 | 33 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 213 |
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 | - | - | 0.22 | - | |||
498 | 148 | - | 43.3 | 433 | - | ||
257 | - | 14 | 23.2 | 333 | 141 |
Heat treated : 1662°C - 1429°C
Grade | Standard | Country | Application |
---|---|---|---|
1.4317 | |||
1.4317 | |||
1.4317 | |||
317 | |||
S31700 | |||
317L | |||
S31703 | |||
317LM | |||
S31725 | |||
317LMN | |||
S31726 | |||
S31727 | |||
317LN | |||
S31753 | |||
317LM | |||
317L4 | |||
S31700 | |||
317 | |||
S31703 | |||
317L |
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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