USA AMS SA-249/SA-249M , SA-249 S31040 Specialsteel Specification for 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 | SA-249 S31040 | Austenite | AMS | USA | Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
C | Si | Mn | P | S | Cr | Ni | Nb+Ta |
---|---|---|---|---|---|---|---|
≤0.08 | ≤1.50 | ≤2.00 | ≤0.045 | ≤0.03 | 24.00 -26.00 | 19.00 -22.00 | ≤1.10 |
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) |
---|---|---|---|---|---|---|
689 (≥) | 671 (≥) | 33 | 22 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 113 |
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 |
---|---|---|---|---|---|---|---|
41 | - | - | 0.13 | - | |||
494 | 682 | - | 14.3 | 423 | - | ||
317 | - | 14 | 12.2 | 313 | 232 |
Heat treated : 1695°C - 1526°C
Grade | Standard | Country | Application |
---|---|---|---|
S31040 | |||
S31040 | |||
S31040 | |||
S31040 | |||
S31040 | |||
S31040 | |||
310Cb | |||
310Cb | |||
TP310Cb | |||
TP310Cb | |||
TP310Cb | |||
TP310Cb | |||
AWS E310Cb |
SA-249/SA-249M | Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes | SA-249-SA-249M-.pdf |
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