USA SAE A 240/A 240M (2012) , A 240 S31254 Specialsteel Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | A 240 S31254 | Austenite | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
C | Si | Mn | P | S | Cr | Ni | Mo | Cu | N |
---|---|---|---|---|---|---|---|---|---|
≤0.020 | ≤0.80 | ≤1.00 | ≤0.03 | ≤0.01 | 19.5 -20.5 | 17.5 -18.5 | 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) |
---|---|---|---|---|---|---|
736 (≥) | 594 (≥) | 32 | 12 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 324 |
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 |
---|---|---|---|---|---|---|---|
32 | - | - | 0.24 | - | |||
492 | 581 | - | 13.3 | 424 | - | ||
876 | - | 41 | 22.2 | 224 | 344 |
Heat treated : 1317°C - 1141°C
Grade | Standard | Country | Application |
---|---|---|---|
S31254 | |||
S31254 | |||
S31254 | |||
S31254 | |||
S31254 | |||
S31254 | |||
S31254 | |||
S31254 | |||
254SMO(S31254) |
A 240/A 240M (2012) | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications | A-240-A-240M--(2012)-.pdf |
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