USA AMS A 249/A 249M (2010) , A 249 S30451 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 S30451 | Austenite | AMS | USA | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
C | Si | Mn | P | S | Cr | Ni | N |
---|---|---|---|---|---|---|---|
≤0.08 | ≤0.75 | ≤2.00 | ≤0.045 | ≤0.03 | 18.0 -20.0 | 8.00 -10.5 | 0.10 -0.16 |
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) |
---|---|---|---|---|---|---|
369 (≥) | 457 (≥) | 24 | 21 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 411 |
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 |
---|---|---|---|---|---|---|---|
24 | - | - | 0.12 | - | |||
378 | 432 | - | 41.3 | 314 | - | ||
612 | - | 12 | 32.2 | 224 | 423 |
Heat treated : 1934°C - 1722°C
Grade | Standard | Country | Application |
---|---|---|---|
304N | |||
304N | |||
TP304N | |||
TP304N | |||
TP304N | |||
TP304N | |||
SUS304N1 | |||
SUS304N2 | |||
SUS304N2A | |||
SUS304N2A | |||
SUS304N2A | |||
SUS304N2 | |||
SUS304N1 | |||
304N(S30451) | |||
SUS304N2A | |||
SUS304N2A | |||
S30451 | |||
S30451 | |||
S30451 | |||
S30451 |
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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