USA AMS SA-249/SA-249M, SA-249 TP304LN 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 TP304LN | Austenite | AMS | USA | Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
C | Si | Mn | P | S | Cr | Ni | N |
---|---|---|---|---|---|---|---|
≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 18.0 -20.0 | 8.00 -12.0 | 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) |
---|---|---|---|---|---|---|
157 (≥) | 816 (≥) | 32 | 41 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 441 |
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 |
---|---|---|---|---|---|---|---|
33 | - | - | 0.14 | - | |||
494 | 763 | - | 23.3 | 244 | - | ||
942 | - | 13 | 44.2 | 412 | 242 |
Heat treated : 1954°C - 1698°C
Grade | Standard | Country | Application |
---|---|---|---|
304LN | |||
304LN | |||
TP304LN | |||
TP304LN | |||
TP304LN | |||
TP304LN | |||
TP304LN | |||
SUS304LN | |||
SUS304LN | |||
304LN(S30453) | |||
S30453 | |||
S30453 | |||
S30453 | |||
S30453 | |||
S30453 | |||
S30453 | |||
S30453 |
SA-249/SA-249M | Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes | SA-249-SA-249M.pdf |
Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...
Rfq.: sales@longhaisteel.com